Offshore WIND edition 4/2019 by Navingo BV

M a g a z i n e f o r T H E O F F S H O R E W I N D I N D U S T R Y | VOL X NO 04 2019 | WWW.OFFSHOREWIND.BIZ

Magazine for THE OFFSHORE WIND INDUSTRY

CELEBRATING TEN YEARS OF OFFSHORE WIND MAGAZINE

Price per issue 7 25 Europe | 7 27 Rest of the world

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C-Ventus

Offering one-stop-shop commissioning services during the installation phase of offshore windfarms

â&#x20AC;&#x153;

www.c-ventus.com

C-Ventus Offshore Windfarm Services BV

+31 255 820 020

info@c-ventus.com

CONTENTS

6 1 |

CONTENTS

3 |

EDITOR’S NOTE

5 | G UEST COLUMN RENÉ PETERS

TNO

6 |

MAIN INTERVIEW JACOB GNODDE

Breman Machinery B.V.

12 |

COUNTRY UPDATE DENMARK

D UTCH OFFSHORE WIND MARKET 16 | Status in tenders

21 | N EXT GENERATION FOUNDATIONS 26 | T ECHTALK The future in turbines

32 |

TEN YEARS OF OFFSHORE WIND

36 |

THE MONTH FOR FLOATING

In further detail

G IVING ENERGY TRANSITION 40 | A PUSH A look back at Offshore Energy 2019

45 |

BREEZES

53 |

WIND FARM UPDATES

60 |

BUSINESS DIRECTORY

63 |

EVENTS

64 |

COLOPHON & ADVERTISERS’ INDEX

40 45

Offshore WIND | NO. 04 2019

Rest

Subsea Cables

Foreword by CWEA Interview with Siemens Energy

Region focus - Asia Subsea Cables

Turning concepts into reality!

Region focus - Asia

Successful engineering and fabrication of large and complex structures for the offshore oil & gas and energy related industry demands fabrication and facility operating expertise. For many decades Heerema Fabrication Group (HFG) has served the oil & gas industry and today we are leveraging our capabilities and services into offshore wind energy market. Heerema Fabrication Group Together with our engineering firm HFG Engineering we successfully completed

Noordweg 8

offshore wind substations and HVDC-converter station platforms for the largest

3336 LH Zwijndrecht

wind farm developments offshore UK and in the German sector of the North

The Netherlands

Sea. Our fabrication locations in the UK and the Netherlands are equipped with

Tel: +31 [0]78 - 625 04 25

extensive indoor fabrication facilities and capable of handling several large

E-mail: info@hfg-heerema.com

projects simultaneously. Check our track record at www.heerema.com At Heerema Fabrication Group, we turn concepts into commercial reality; a Heerema Group company

from conceptual design to final fabrication and delivery.

Reliable offshore competence

Available sizes 33 up to 80mm On target accuracy of +/- 1%

Interview with Damen Shipyards

Operation & Maintenance Wind Farm Support Vessels RAD TORQUE SYSTEMS BV

UK Round 3

+31 35 588 2450

INFO@RADTORQUE.NL

WWW.RADTORQUE.NL

Interview with Vattenfall Germany Focus Supply Chain Careers in Wind

www.workfox.com

OFFSHORE WIND

Magazine for THE OFFSHORE WIND INDUSTRY

served the oil & gas industry and today we are leveraging our capabilities and Whatever happens, we’ll remember.

Interview with Van Oord Offshore Wind Projects

services into offshore wind energy market.

a sustainable ship We take pride in building you The Damen family Foundations WTIVs

Heerema Fabrication Group

BORSSELE TENDER REVEALED GERMAN FOCUS WWW.DAMEN.COM

M a g a z i n e f o r T H E O F F S H O R E W I N D I N D U S T R Y | VOL VII NO 04 2016 | WWW.OFFSHOREWIND.BIZ

M a g aPrice z i n e f oper r T Hissue E O F F S7 H O25 R E Europe W I N D I N |D U7 S T 27 R Y Rest | VOLof VIIthe NO world 02 2016 | WWW.OFFSHOREWIND.BIZ

M a g a z i n e f o r T H E O F F S H O R E W I N D I N D U S T R Y | VOL VII NO 03 2016 | WWW.OFFSHOREWIND.BIZ

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INTERVIEW WITH MATTHIAS BRANDT

Noordweg 8

offshore wind substations and HVDC-converter station platforms for the largest

3336 LH Zwijndrecht

wind farm developments offshore UK and in the German sector of the North

The Netherlands

Sea. Our fabrication locations in the UK and the Netherlands are equipped with

Tel: +31 [0]78 - 625 04 25

extensive indoor fabrication facilities and capable of handling several large

E-mail: info@hfg-heerema.com Check our track record at www.heerema.com

At Heerema Fabrication Group, we turn concepts into commercial reality; from conceptJACK ual design to final fabrication andOF delivery.

ALL TRADES a Heerema Group company Created and produced by

W I T H D G J A C K V E R S AT I L I T Y C O M E S A S S TA N D A R D . E Q U A L LY AT H O M E I N T H E R E N E W A B L E S A N D NON-RENEWABLES SECTORS, DG JACK COMBINES DESIGN AND CONSTRUCTION EXPERTISE TO FULFILL A WIDE INTERVIEW R A N G E O F A C T I V I T I E S O F F S H O R E . S PA N N I N G E V WITH ERYTHING STEPHEN BLAIKIE F R O M R E PA I R A N D M A I N T E N A N C E T O A C C O M M O D AT I O N , W H AT E V E R Y O U R N E E D S , D G J A C K ’ S GOFFSHORE OT IT COV ERED. WIND CONFERENCE IN DETAIL WTIVS UPDATE WWW.DAMEN.COM

NAV.mag cover druk.indd 1

27-07-16 15:08

Created and produced by

Price per issue 7 25 Europe | 7 27 Rest of the world

W W W. O F F S H Price OR per Eissue WIN 7 D 25 .Europe B I Z | 7 27 Rest of the world

OFFSHORE WIND

Magazine for THE OFFSHORE WIND INDUSTRY

OIL & GAS

and services. The accompanying conference addresses current and future issues in the offshore

INTERVIEW WITH NUON/VATTENFALL

industry, covering developments in oil & gas, offshore wind and marine energy. See you in Amsterdam!

WWW.OFFSHORE-ENERGY.BIZ

VESSEL UPDATE VESSEL UPDATE

ENVIRONMENTAL ENVIRONMENTAL ASPECTS Supported by

ASPECTS

MARINE ENERGY MARINE MARINE ENERGY ENERGY

Registernow! now! Register Register now! Offshore Energy attracts a global audience of more than 12,000 offshore energy industry professionals. Offshore Off shore Energy Energy attracts attracts a global a global audience of more ofwhere more than than 12,000 offshore offshore energy energy industry industry professionals. professionals. The three-day event features anaudience exhibition over12,000 600 companies will showcase their products The three-day The eventevent features features an exhibition an exhibition where where over over 600 600 companies companies will showcase will showcase theirintheir products and three-day services. The accompanying conference addresses current and future issues theproducts offshore and and services. services. The The accompanying accompanying conference addresses and and future future issues issues in you the ininoff the shore offshore industry, covering developments inconference oil & gas, offaddresses shore current windcurrent and marine energy. See Amsterdam! industry, industry, covering covering developments developments in oilin& oil gas, & off gas, shore offshore windwind and marine and marine energy. energy. See you See in you Amsterdam! in Amsterdam! OUTLOOK

WWW.OFFSHORE-ENERGY.BIZ

WWW.OFFSHORE-ENERGY.BIZ WWW.OFFSHORE-ENERGY.BIZ

BY SENVION

BLOCKCHAIN IN ENERGY Supported by Supported Supported by by

IT'S THE PEOPLE WHO DO THE JOB

M a g a z i n e f o r T H E O F F S H O R E W I N D I N D U S T R Y | VOL IX NO 04 2018 | WWW.OFFSHOREWIND.BIZ

The three-day event features an exhibition where over 600 companies will showcase their products

M a g a z i n e f o r T H E O F F S H O R E W I N D I N D U S T R Y | VOL IX NO 03 2018 | WWW.OFFSHOREWIND.BIZ

INTERVIEW WITH NUON/VATTENFALL

Offshore Energy attracts a global audience of more than 12,000 offshore energy industry professionals.

Magazine for THE OFFSHORE WIND INDUSTRY

W E C R E AT E I N N O VAT I V E S O L U T I O N S T O M A X I M I S E O P P O R T U N I T I E S F O R A L L C O N C E I VA B L E TA S K S Damen offers innovative, cost-reducing, safe and efficient solutions to assist the offshore wind industry. We have developed a range of dedicated wind farm support vessels from Fast Crew Boats and Shoalbusters to Wind Farm Maintenance Barges and cable layers. We see innovation as the key to success. Our aim? Optimising energy efficiency without compromising on performance and reliability.

Foreword by EWEA Interview ship with EDF Energies Nouvelles an efficient We take pride in building you Wind farm optimalisation Kommer Damen

OIL & GAS MARINE ENERGY

Be part of Offshore Energy 2019 Be part of Offshore Energy 2019

Offshore Energy Exhibition and Conference (OEEC) is where the energy transition takes place. Join the most important gathering of the offshore energy industry and network with highly qualified experts and professionals Offshore Energy Exhibition and Conference (OEEC) is where the energy transition takes place. Join the most

across global markets Don’tindustry miss the to with takehighly part inqualifi strategic discussions, immersive important gathering of in theAmsterdam. offshore energy andchance network ed experts and professionals across global marketssessions in Amsterdam. Don’t misswith the the chance to take part immersive technical conference and networking companies that inarestrategic shapingdiscussions, the future of energy. technical conference sessions and networking with the companies that are shaping the future of energy.

WWW.OFFSHORE-ENERGY.BIZ

Effects on marine life

WWW.DAMEN.COM

PROFESSIONAL PARTNERS FOR A SUSTAINABLE FUTURE

Interview with AMSC

Cable manufacturers Magazine for THE OFFSHORE WIND INDUSTRY

Country focus: USA

21 X 29,7 EOLIEN GB MAI.pdf

16/05/2019

INTERNATIONAL ENERGY AGENCY OUTLOOK Supported by

Supported by

GRID DEVELOPMENTS OWC 2018 PREVIEW

10:09

INTERVIEW WITH JAN BRUGGENTHIJS

DUN IRK WELCOMES THE ENERGY

5-7 june 2019 DUNKIRK

SHELL ON BORSSELE TENDER

Make C-Ventus UK your local integrated services partner for solving your

Meet us at our BOOTH B12

onshore project management and offshore installation, inspection, repair

FRANCE UPDATE

& maintenance and decommissioning challenges. | www.c-ventus.com 21 X 29,7 EOLIEN GB MAI.pdf

16/05/2019

10:09

14-01-11 11:33

16-05-17 09:32

OF THE FUTURE

DUN IRK WELCOMES THE ENERGY

Magazine for THE OFFSHORE WIND INDUSTRY

Meet us at our BOOTH B12

22-01-13 11:09

OF THE FUTURE

Magazine for THE OFFSHORE WIND INDUSTRY

Europe's largest energy hub Competitive property solutions A multimodal port operating 24/7 Europe's largest energy hub Access to allproperty networkssolutions Competitive A multimodal port operating 24/7 Access to all networks

BIO FUELS BIO FUELS

ENERGY ENERGY EFFICIENCY EFFICIENCY

OFFSHORE INDUSTRIAL COLD HYDROGEN OFFSHORE COLD WIND INDUSTRIAL AND CRYOGENICS WIND AND CRYOGENICS

HYDROGEN

LNG

METHANIZATION

NEW

MOBILITY CAREERS IN WIND LNG

METHANIZATION

NEW MOBILITY

CAREERS IN WIND

SMART SMART GRIDS GRIDS

GLOBAL OFFSHORE WIND WIND Cyrille GAILLARD +33GLOBAL (0)3 28 22 OFFSHORE 64 40 Cyrille GAILLARD +33DEMAND (0)3 28 22 64WILL 40 INCREASE INCREASE c.gaillard@dunkerquepromotion.org NEARLY SIX FOLD c.gaillard@dunkerquepromotion.org NEARLY SIX FOLD

TAIWAN: HOT MARKET AND HOT TAIWAN: HOTTOPIC MARKET

AND HOT TOPIC

Magazine for THE O M aFgF a zSi n He O f oR r E T HW E OI F NFD S HION RD EU WS I NTDRIY N D |U SVOL TRY X | VOL NO X02 NO2019 02 2019| |WWW.OFFSHOREWIND.BIZ WWW.OFFSHOREWIND.BIZ

MARINE ENERGY

OIL & GAS OIL &OIL GAS & GAS

TechTalk - Cables

WE INNOVATE FOR THE FUTURE

5-7 june 2019 DUNKIRK

M a g a z i n e f o r T H E O F F SM HaO g aR zin Ee fW o r ITN HE D OIFN F SDHU OR SETW R IY N D| I NVOL D U S TX R YNO | VOL 01 X2019 NO 01 2019 | WWW.OFFSHOREWIND.BIZ | WWW.OFFSHOREWIND.BIZ

OFFSHORE WIND

M a g a z i n e f o r T H E O F F S H O R E W I N D I N D U S T R Y | VOL IX NO 04 2018 | WWW.OFFSHOREWIND.BIZ

FRANCE UPDATE

FRANCE FRANCE UPDATE UPDATE

OIL & GAS

| VOL IX NO 03 2018 | WWW.OFFSHOREWIND.BIZ

MAIN MAIN INTERVIEW INTERVIEW TONY TONY HODGSON HODGSON

OFFSHORE WIND

MARINE ENERGY

Magazine for THE OFFSHORE WIND INDUSTRY

MAINPROFESSIONALS INTERVIEW YOUNG YOUNG PROFESSIONALS IN INTONY OFFSHORE OFFSHORE WIND WIND HODGSON

T H E O F F S H O R E W IMN a gD azin I eNf oD r T U HS ET OF R FY S H O|R EVW IND STR | 02 W2018 W W. | O WWW.OFFSHOREWIND.BIZ FFSHOREWIND.BIZ OI N L DI X NUO 0Y2 | 2VOL 0 1IX 8 NO

YOUNG PROFESSIONALS IN OFFSHORE WIND

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Magazine for

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Created Created and produced and produced by by

Magazine for THE OFFSHORE WIND INDUSTRY OFFSHORE OFFSHORE WIND WIND

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WE SHARE YOUR GOALS OF PERFORMANCE, EFFICIENCY A N D C O S T- E F F E C T I V E N E S S . W H E N I T C O M E S T O P R O V I D I N G I N N O VAT I V E S O L U T I O N S F O R A N I N N O VAT I V E I N D U S T R Y, W E ’ R E A L L I N T H I S T O G E T H E R .

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INTERVIEW WITH BLAIR AINSLIE NEWCOMER TO THE INDUSTRY EOLOGIX

THE FUTURE HAS ARRIVED

www.damen.com/en/markets/offshore-wind

NAV.mag cover no 6 druk.indd 1

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Together with our engineering firm HFG Engineering we successful y completed

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TOP RANKING 2015

| VOL VII NO 03 2016 | WWW.OFFSHOREWIND.BIZ

INTERVIEW WITH GILES DICKSON DECOMMISSIONING

an efficient ship We take pride in building you NORTH AMERICA UPDATE Kommer Damen

| VOL VII NO 02 2016 | WWW.OFFSHOREWIND.BIZ

Magazine for THE OFFSHORE WIND INDUSTRY

THE FUTURE HAS ARRIVED

MIKE CONAFRAY MANAGING DIRECTOR MARINECO (UK)

Omslag Offshore WIND_02-2015.indd 1

OFFSHORE

Magazine for THE OFFSHORE WIND INDUSTRY

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and when the time comes to hand her over to you, we strive for the perfect delivery.

Foreword by be MPI perhaps she’ll backOffshore one day for an overhaul or a conversion…

projects simultaneously. Magazine for THE OFFSHORE WIND INDUSTRY

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a b o at. a s h i p. a v e s s e l . W h at e v e R h e R j o b , W h at e v e R h e R p u R p o s e , W e ta k e p R i d e i n b u i l d i n G you somethinG useful, somethinG Good

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offshore oil & gas and energy related industry demands fabrication and facility

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08-07-14 14:01 10:21 22-04-14 OffshoreWind14-okt.indd 1

We simply love to build Successful engibetteR neering and fabrication of large and complex stboats ructures for the

The Marineco Shamal is awesome... She performs very well... Second day of sea trials off Rotterdam in a westerly 6 she handled it brilliantly. Best Damen design in years. Cheers!

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The future of offshore wind is in your hands. Do you want to lead the way in cost of energy?

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2011,

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JANUARY

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M a g a z i n e f o r T H E O F F S H O R E W I N D I N D U S T R Y Vol V, N o 04 2014, www.offshorewind.biz

On target accuracy of +/- 2,8%

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Real time Torque & logs on Tablet

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OWW2WO01

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The vessel has on-site work and storage facilities, plus accommodation for up to 40 maintenance personnel and management and a crew of 20. It will be able to stay out at sea for voyages of up to one month duration, feature dynamic positioning (DP2) and a telescopic, motion-compensated transfer gangway to allow for transfer of maintenance teams to walk between vessel and the offshore structure.

Bluetooth joint calibration of E-RAD BLU

6 models wrenches per controller

CRaG07

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Measures applied bolt torque (Max. 10.800nm)

Full data logging

WTIVS

M a g a z i n e f o r T H E O F F S H O R E W I N D I N D U S T R Y Vol VI, N o 02 2015, www.offshorewind.biz

NEW DESIGN: WHY? BECAUSE THE MARKET TOLD US SO!

Much faster than hydraulic wrenches

Interview with Iberdrola

W I N D T V l Iwww.offshorewind.biz I, N0 01 M a g a zI i n eN f o r T HD E O F FU S H O RS E WIN D I NR D U S TY R Y Vol VI, N oo 01 2015,

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Interview with Iberdrola

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DAMEN OFFSHORE WIND

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RAD TORQUE SYSTEMS INTRODUCES...

”

MIKE CONAFRAY MANAGING DIRECTOR MARINECO (UK)

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Small support vessels

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The Marineco Shamal is awesome... She performs very well... Second day of sea trials off Rotterdam in a westerly 6 she handled it brilliantly. Best Damen design in years. Cheers!

o 01 N I N D IN, 01 JANUARY M a g a zU ine forS THE T O F F SR H O R EY W I N D IV N D Uo S T Rl Y VolI VI, 2015,0 www.offshorewind.biz

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By seeing beyond the turbine, and assessing the whole offshore business case from your perspective, we have created a true power plant component for future North Sea projects. DAMEN OFFSHORE WIND Designed to provide the lowest cost of energy, the revolutionary PROVEN DESIGN, DEDICATED VESSELS V164-7.0 MW wil give you the perfect match between rotor size and power rating while offering significant cost-savings ” throughout the offshore value chain.

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France Round 1 compensation percentages 700mt when used as a supply platform. Platform tests at the North Sea show excellent motion

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04-04-12 08:59 Cover-OK.indd 1

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shore installation work. The S700/C400 Barge Master can carry a 400mt crane or, alternatively, compensate loads up to

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2011,

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Industry experts have recognised Barge Master as a solution for theShipyards age-old problem of sea-induced motions during off-

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Underwater Operations

issue 25 Europe - 7 O 27 Rest theS world M a g a z i nPrice e per fo r 7 T HE FofF HORE

Wind Farm Support Vessels

Foreword by German Federal Environment Minister

Interview with wpd offshore

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Region Focus: Scandinavia

Visit us at husum 2012 • stand 4F01 • 18 – 22 september • husum • germanY

Foreword by the German Offshore Wind Energy Foundation

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With its unrivalled energy capture, the new Vestas V164-7.0 MW is designed to provide the lowest cost of energy in the North Sea.

T H E

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Interview with DNV KEMA Energy & Sustainability

Cable manufacturers

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Region Focus: Belgium & France

Foreword by Danish Minister for Climate, Energy and Building

THE

Operation & Maintenance

M a g a z i n e f o r T H E O F F S H O R E W I N D I N D U S T R Y Vol III, N o 02 APRIL 2012, www.offshorewind.biz

Interview with Alstom Grid

Visit us at eWea 2012 • stand e-C61 • 16-19 april • Copenhagen • denmark

www.damen.com/markets/offshore-wind | +31 (0)183 63 99 22 | pro@damen.nl

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Foreword by FEE

”

peter robert business development manager offshore wind

Interview with AMSC Visit vestas.com/utility

0 o 02 APRIL OFFSHOR IEN D Y l I I2013, , Nwww.offshorewind.biz 02 APRIL M a gE azine W for TH OFF SHOI R EN W ID ND U I N DS UST T R YR Vol IV, NVo

www.damen.nl/en/markets/fast-crew-supplier +31 (0)183 63 99 22 | pro@damen.nl

Damen Offshore Wind Vessels aim to support both energy companies and offshore contractors at every stage of an offshore wind farm’s lifecycle: development, installation and maintenance. Other ship types are: survey vessels, workboats, feedering pontoons and installation vessels.

The future of offshore wind is in your hands. Do you want to lead the way in cost of energy?

THE

”

peter robert business development manager offshore wind

“

V164-7.0 MW wil deliver the lowest cost of energy at sea.

for

the damen FCs 2008

AvAilAble now!

By seeing beyond the turbine, and assessing the whole offshore business case from your perspective, we have created a true power plant component for future North Sea projects. Designed to provide the lowest cost of energy, the revolutionary V164-7.0 MW will give you the perfect match between rotor size and power rating while offering significant cost-savings throughout the offshore value chain.

NAV.mag cover no 6 druk.indd 1

M a g 2013, a z i n e f o r M a g a z i n e f o r T H E O F F S H O R E W I N D I N D U S T R Y Vol IV, N o 01 JANUARY www.offshorewind.biz

“

neW kid on the grid

M a g a z i n e f o r T H E O F F S H O R E W I N D I N D U S T R Y Vol III, N o 03 JULY 2012, www.offshorewind.biz

ThaT’s why we’re making iT smaller damen fCs 2008

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The Twin Axe is A big success

Magazine for THE OFFSHORE WIND INDUSTRY

With its unrivalled energy capture, the new Vestas V164-7.0 MW is designed to provide the lowest cost of energy in the North Sea.

Magazine

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RENÉ PETERS, TNO AND CHAIR OF THE NORTH SEA ENERGY ALLIANCE

What the world needs now We all know the African proverb ‘if you want to go fast, go alone. If you want to go further, go together’. But what if the world needs change fast and needs to go further? We need to combine the best of both. The same holds for offshore energy, can we get further by working together between the traditional oil and gas and the upcoming offshore wind sector? And can we do it fast, please, because we are too slow in decarbonization of the energy system. When it comes to the future sustainable energy supply, we still tend to stick to speaking out good intentions, but we primarily keep within the boundaries of our own sectors: wind, gas, solar, geothermal. At the same time, the energy demand keeps increasing. Not only in India, China or Africa, but also here – in North West Europe. The last hot summers made the demand for air-conditioning for instance surge, thereby raising the demand for electricity. So we still want more energy and electricity. Renewable, of course. But we do not want a wind turbine in our back yard. And solar parks face the problem of lack of capacity in the regional grids. So how to go from here, given the challenges we’re facing? The answer is right next to us: the North Sea. The North Sea makes our country a fortunate one. For many reasons, but I would like to concentrate to the energy system and the possibilities integrating oil and gas and offshore wind can have for us. The North Sea is where the energy transition is most visible at the moment: oil & gas is coming to an end the next decades and offshore wind is facing an exponential growth scenario. In 2030 the offshore wind parks should be able to provide the Netherlands with 11.5 GW of clean but intermittent power. If the wind blows that is, but surely offshore there is almost always a breeze, isn’t there? On the other end of the spectrum, what if it storms? Can we be sure the grid can handle all this renewable offshore energy? Although Tennet is working very hard to upgrade all infrastructure, chances are we need to curtail the

wind turbines when the wind blows too hard around the year 2030. Wouldn’t that be a shame if renewable energy goes to waste. When you look at the offshore gas industry, many people think they are facing the last moments of their industry. But let’s look closer. What if we could integrate these two sectors, so we could use the platforms for converting the surplus of renewable wind energy into hydrogen, store it in depleted gas fields and transport it when needed via the existing gas infrastructure. It makes sense as these pipelines can handle more volume at lower transportation cost and are there anyway. No need for extra cables, no need for extra investments, no need to stir up the subsurface. That is why we need to step in and step up in working together, towards integrated energy systems. North Sea Energy is the platform to bring together all players in the offshore North Sea world. To combine knowledge and fast forward projects. The current green hydrogen pilot on Neptune Energy’s Q13a platform is an example of how to bring three energy systems together. There we walk the talk. By combining hydrogen, natural gas and wind power, we can fuel our society, our economy and the energy transition by supplying stable, affordable and clean energy. I invite you to join. René Peters

Offshore WIND | NO. 04 2019

INTERVIEW

Solid steel supplier 6

“REMAINING INNOVATIVE IS KEY IN WORKING IN THE OFFSHORE WIND INDUSTRY”, STATES JACOB GNODDE, SALES ENGINEER AT BREMAN MACHINERY B.V., THE COMPANY BUILDS COMPONENTS AND STRUCTURES FOR OFFSHORE APPLICATIONS. NOT ONLY ACTIVE IN THE OFFSHORE WIND INDUSTRY, BUT ALSO BUILDING FOR OIL AND GAS COMPANIES, MECHANICAL ENGINEERS, AEROSPACE COMPANIES AND INDUSTRIAL FIRMS.

Offshore WIND | NO. 04 2019

There is a steady force in offshore wind, he also notes that oil and gas is currently innovating.

“Breman Machinery B.V now exists for 150 years, stating from a small steel forgery the company made the steps into the offshore industry back in 2005. Since then we have fulfilled many projects such as for Eneco Luchterduinen Wind Farm, Gemini Wind Farm and Veja Mate Wind Farm”, continues Gnodde. Around 30 to 40 per cent of the company’s customers hail from the offshore wind industry. Back in 2016, Breman Machinery worked together with Euro-Rigging to deliver a pile gripper frame for the Seajacks Scylla. Seajacks Scylla, the world’s largest wind turbine installation vessel required the product in preparation of its assignment, the installation of 67 monopiles, each one weighing more than 1,300 tonnes, at the 400MW Veja Mate offshore wind farm in the North Sea.

Diversity Gnodde points out working for offshore companies offers great diversity. Though Gnodde points out that tipping point in the diversity does shift. Where he sees a steady force in offshore wind, he also notes that oil and gas is currently innovating. “We see more demand for turrets from and aside from industry demand for our products, we will still need oil for the next 50 years. Even if demand declines, the industry will remain.” In May of this year it was reported that Maersk Drilling would be the first offshore company which was going to work with the Chela crane. Since its introduction in 2016, the Chela crane has grown from the drawing board into a piece of equipment. In presence and with input from involved parties Maersk, AkerBP, JB Systems, and, of course, Breman Machinery, the FAT test was successfully performed showing Chela’s capabilities and facilitating a fast-track start-up for Maersk.

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Steel dynamics Chela is capable of lifting 22 tonnes at a 21-meter radius underneath the cantilever at any position and does not obstruct any wellhead deck space. The crane, with its crablike motion characteristics, can reach below the cantilever as well as elevate towards the main deck, providing crane access to an area usually blocked by the cantilever when drilling. Chela was installed on the Maersk Invincible, a GustoMSC CJ70 drilling jack-up design, for work on the giant oilfield Valhall in the North Sea for AkerBP. A notable trend Gnodde is keen to point out: “Everything is subject to money and it is all about reducing cost and this counts for all industries. Everyone needs their products to be delivered fast, cheap, but by no means are these products meant to offer less quality.” How can you troubleshoot this? Gnodde explains that by innovating in their fabricating process, they can meet quality demands.

Breman Machinery to offer quick response. Next to that they are working on a KENC pre piling “The initial response is good from leading players in the industry such as Boskalis, Van Oord, Heerema”, quips Gnodde. “In the next ten years, we will be looking at assisting in tools for offshore wind installation. Gripper systems, upending tools, heath compensated gripper systems and pre-piling templates. We do feel it will be the market we will be most active in. We have also looked into how floating offshore wind will evolve. Though we feel we could supply parts for this, we are unsure if it will be the market we expect in the North Sea.”

Recently the company acquired a new machine that can hold a 250-ton object with a 20 metre diameter and 10 metre height, with the double worktable it will allow

Offshore WIND | NO. 04 2019

Country outlook

Denmark

With WindEurope 2019 set for Kopenhagen, Offshore WIND Magazine takes a look at the current offshore wind farm status in Denmark.

In January of this year, OffshoreWIND.biz reported that the Government of Denmark had signed a Memorandum of Understanding with wind industry majors with the aim of strengthening and continuing the strong collaboration between the global wind energy industry and the Danish government. The MoU, titled ‘Second to none wind energy framework – think Denmark’, was signed by Kristian Jensen, Denmark’s Minister of Finance, Lars Christian Lilleholt, Minister of Energy, Utilities and Climate, Anders Runevad CEO Vestas Wind Systems, Markus Tacke, CEO Siemens Gamesa Renewable Energy, Philippe Kavafyan, CEO MHI Vestas Offshore Wind, Henrik Poulsen, CEO Ørsted, Magnus Hall, CEO Vattenfall, and Mads-Ole Astrupgaard, Chairman of the Danish Wind Industry Association.

A little bit of history In a previous report, the Danish government stated: “The first batchproduced Danish wind turbines from the late-1970s had an output of 22 kW, and the wind turbines were gradually scaled up to 55, 75 and 95 kW through the course of the 1980s. Alongside this commercial production, a government funded development programme was undertaken by the electricity companies to test considerably larger pilot wind turbines. Since the 1980s, the wind

turbine industry’s commercial products have become increasingly largerscale. Today’s largest turbine, currently undergoing testing, is an 9 MW unit with a rotor diameter of 164 metres.” “The number of wind turbines in Denmark peaked in the year 2001 at more than 6,200 installed turbines, of which more than half were older wind turbines with an electrical output of less than 500 kW. Almost all installed capacity was on land at this time. Since then, the number of wind turbines has decreased by roughly 1,000, while the total installed output has doubled from just less than 2,500 MW in 2000 to over 5000 MW by end of 2016. The wind power share of the domestic electricity supply has been growing steadily since 1980. In 1990, the share was 1.9%, and since then it has increased sharply. In 1999 the figure topped 10%, and in 2008 it reached 19.1% of the electricity supply. The wind penetration* in 2015 amounted to 42% of Danish power supply. Projections show that with the planned new wind farms amounting to approximately 1350MW installed capacity, wind penetration will be around 50% by 2020.”

Public involvement “The development of wind power in Denmark has been characterised by strong public involvement. It was

small machinery manufacturers that established the wind turbine industry, and only after the consolidation of the industry through the 1990s did it become dominated by large, partly internationally owned and listed companies. Similarly, on the customer side, numerous jointly owned (through entities such as cooperatives) wind turbines were established in the period 1984- 94. The majority of wind turbines erected since 1995 are owned by individuals, energy companies and other commercial wind power companies.” “The progression towards fewer jointly owned and relatively larger wind turbines has made it difficult to maintain local support for new wind power projects. But to ensure continued development of wind power, it is essential to have backing in the local community. The Energy Policy Agreement of 21 February 2008 therefore stipulated that a range of new initiatives should be undertaken to promote local acceptance, including options to purchase shares of new wind power projects.” The signatories to this MoU, the first of its kind in Denmark, agreed ”to strengthen the collaboration enabling Denmark to remain a preferred country partner for the global wind energy industry.”

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This MoU is said to underscore the ambition of the Danish government for Denmark to be a vital base for the leading players in the global wind energy industry, notably by providing state-of-the-art framework conditions and an attractive environment for the wind industry related to areas such as research and development, test and demonstration facilities, access to skilled labor and a market for state-ofthe art onshore and offshore wind.

Energy Agreement In June 2018 an energy agreement was signed, which also included the establishment of three new offshore wind farms that will supply at least 2,400 MW of green electricity to the energy system – more than the total combined electricity consumption of all Danish households. Establishment of the offshore wind farms. “The offshore wind farms will be built before 2030. A cost-effective expansion of wind energy is essential. Therefore, a sound procurement process will allow for maximum competition to achieve the lowest possible price. In recognition of the significant aesthetic impact that offshore wind turbines can have on the coastal landscape, the energy agreement expands the power of

municipalities to reject offshore wind turbines from 8 km to 15 km off the shore”, stated in the Energy Agreement. To zoom in the a recent addition, the Horns Rev offshore wind farm, located in the North Sea, 25-40 km off the west coast of Jutland. Vattenfall is the developer, operator and owner. The 407 MW wind farm – Denmark’s largest – will boost Danish wind energy production by 12%. This will provide enough power to cover the consumption of the equivalent of around 425,000 Danish households. It uses the world’s most powerful wind turbine platform: the 8.3 MW MHI Vestas V164 model.Vattenfall won with a bid worth DKK 770/MWh (€103/MWh). The Danish Government is paying Vattenfall the difference between this and the electricity price for the first 12 years of the project. That makes Horns Rev 3 one of the cheapest operational offshore wind farms in Europe.

Corporate investment in renewable power In their 2018 statisics report, WindEurope noted: 2018 was a record year for corporate renewable PPAs deals in Europe with 2.4 GW of contracted capacity in wind and solar power projects. Recent years have seen

NAME OF OFFSHORE

YEAR OF

NUMBER OF

TOTAL

WIND FARM

COMMISSIONING

TURBINES

CAPACITY

Vindeby

1991**

5 MW

Tunø Knob

1995

5 MW

Middelgrunden

2001

40 MW

Horns Rev 1

2002

160 MW

Samsø

2003

23 MW

Rønland

2003

17 MW

Frederikshavn

2003

8 MW

Nysted

2003

165 MW

Horns Rev 2

2009

209 MW

Avedøre Holme

2009/2010

11 MW

Sprogø

2009

21 MW

Rødsand 2

2010

207 MW

Anholt

2012

111

400 MW

Horns Rev 3

2020*

406.7 MW

Nearshore (2 projects)

2019*

N.A.

350 MW

Kriegers Flak

2021*

N.A.

600 MW

Operating offshore wind farms in Denmark by end 2016.

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a steady growth in corporate renewable PPA deals in Europe. The volume of capacity contracted through corporate PPAs has increased fivefold since 2015, from just 1GW in 2015 to over 6 GW in 2018. Over 85% of the contracted renewable capacity in the last five years has beenprovided by wind power projects. Wind energy is very well placed among other low carbon technologies to accommodate corporates’ needs for renewable electricity due to its scale, cost-competitiveness and risk profile. There are different models of corporate engagement. The most important that have been used in wind energy can be broadly summarised in two segments: investing directly in projects and owning the underlying asset, or acting as an off-taker through power purchase agreements (PPAs). From a corporate’s perspective, acting as an off-taker is a feasible model to control costs over long periods of time (at times up to 20 years), diversify energy sources and meet sustainability targets. Owning the asset may come with certain cost of capital implications for corporates. This is not only due to the large payback period for wind energy projects, but also due to increasing competition for ownership in wind energy assets. Corporates not operating in the wind sector might find it challenging to execute renewable contracts at better prices when compared to power producers or other businesses with more experience. Corporate renewable PPAs also come with certain benefits for generators. Price visibility over a long period of time and a guaranteed off-taker are important to lower the cost of debt financing. Lenders would typically need downside protection in project revenues to ensure debt repayment obligations are met. As such, they tend to prefer lower revenues over a long period of time – matching the loan term, rather than higher but uncertain revenues. Corporate renewable PPAs to date are still limited to a handful of countries although 2018 saw the first corporate PPAs signed in four countries: Poland, Germany,

Denmark and Spain. The Nordic region, followed by the UK and the Netherlands, are the biggest market for such deals. What these markets have in common is a good track record in renewable energy development, coupled electricity markets, sufficient demand for green electricity from corporates and – most importantly – a lack of explicit regulatory barriers to sign corporate renewable PPAs. However, the new Renewable Energy Directive mandates Member States to identify and remove administrative to corporate PPAs and facilitate their uptake in their National Energy and Climate Plans which set out their Climate & Energy policies from 2021 to 2030. One important element in corporate PPAs is the underlying renewable energy support scheme in the country. In Feed-in Tariff jurisdictions, for instance, it has been challenging to find the value proposition for such contracts. Therefore, as the Feed-in Tariff support schemes across European countries are brought to an end, market-driven markets will likely see the volume of corporate renewable PPAs increase in the near future. Elements of merchant financing that are starting to emerge in the wind sector will require some form of additional revenue stabilization through support schemes, corporate renewable PPAs and other hedging instruments.

Future projects Stated on the website of the Danish Energy Agency, the next big offshore wind farm to be tendered out in Denmark is Thor, which is to be located in the North Sea west of Nissum Fjord, at a distance of around 20 km from the shore. The new wind farm is named “Thor” after Thorsminde, the nearest village on the shore. The wind farm will have a capacity of min. 800 MW and max. 1.000 MW, and will be connected to the grid between year 2024 and 2027. The Danish Energy Agency will conclude the tendering process with final bids in Q4 2021. Thor offshore wind farm is the first of three large offshore wind farms to be built in Denmark before 2030. This has been decided in the Energy Agreement from June 2018, which all political parties stood behind.

Information: Danish Energy Agency Danish Government WindEurope

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Dutch offshore wind market on track to meet the country’s energy agreement goals

The Dutch government issued an Energy Agreement for Sustainable Growth 6 years ago to achieve a climate-neutral energy supply by 2050. The agreement proposed that, in addition to the 1 GW of installed capacity, 3.5 GW should be realised by 2023. This goal is well within reach. In the following, Huygen Van Steen and Jesse Broehl of Navigant, a Guidehouse company, take stock of the accelerating offshore wind development in the Netherlands

Since the 1990s nearly all offshore wind development has occurred in Europe, particularly in and around the North Sea region. The North Sea region currently has an installed capacity of 19 GW and a rollout pathway of approximately 80 GW toward 2030, exciting times are ahead. The offshore wind industry is also growing globally with deployments in North America and Asia. The Dutch offshore wind market is still relatively small but is on a steady path to reach 10.6 GW of installed capacity by 2030. To accelerate development, the government created a framework, which has since become an example for other countries. The Dutch offshore wind development model takes care of

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Installed capacity (GW) 90 80 70

21.5

60 8.5

50 13.4

6.6

30 10.6 20 10 0

2.5 2.5 1.5 BE

Source: Navigant

1.7 DK

• In operation • Delta to target

2030 Targets

30 GW 10 GW 20 GW 10.6 GW 4 GW 4.2 GW Total

78.8 GW

Source: Navigant

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spatial planning procedures, site studies, and tenders. It was applied to mitigate risks for wind farm development, allowing for scale, standardisation, a steady rollout, and cost reduction. The Dutch national government has taken more control of offshore wind and grid development. It is motivated by the long-term societal benefits associated with a regulated system, which has a larger share of the risk and responsibility for the offshore grid allocated to the transmission system operator (TSO).

A proactive transmission policy to unlock offshore wind In April 2016, a TSO-built grid development model was implemented

in the Netherlands by an amendment to the Electricity Act 1998, which appointed TenneT, a Dutch TSO, to develop and operate the future offshore transmission system. Prior to that, all offshore grid connections were built by offshore wind farm developers. In accordance with the Dutch offshore wind programme to realise a total capacity of 4.5 GW by 2023, TenneT started developing five 700 MW high voltage alternating current (AC) grid connections. The connections will transmit electricity from the Borssele, Hollandse Kust Zuid, and Hollandse Kust Noord wind farm areas to designated onshore connection points. The offshore platforms will achieve electricity transmission efficiency over

Dutch Offshore Wind Farms Project Overview

Source: Netherlands Enterprise Agency and Ministry of Economic Affairs and Climate

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The Dutch national government has taken more control

distance by transforming the voltage levels from 66 kV to 220 kV and connect to an onshore substation via two 220 kV AC cables.

In May 2019, it was announced that TenneT will connect 6.1 GW of new offshore wind farms to the Dutch high voltage grid between 2024 and 2030. TenneT will develop the world’s first standardised 2 GW high voltage direct current grid connection concept to facilitate a secure and cost-efficient grid integration.

Offshore Grid Development Timeline

Wind industry expected to meet targets The Netherlands can look forward to a dynamic period for offshore wind developments. The government and stakeholders are preparing new policy in the 2030 North Sea Strategy development process, which will give direction to the extensive developments now and in the decades ahead. The revised Offshore Wind Act is expected to be ratified in the second half of 2019, which will introduce new wind plant concession award options for future projects. The next 700 MW wind farm tender (Hollandse Kust Noord) is scheduled to open in 4Q 2019. The industry is on track to meet government targets set by the Dutch Energy Agreement in 2013, and with much less government subsidy than originally foreseen. Wind farms Borssele I and II (752 MW, developer Ørsted) as well as III and IV (731.5 MW, developer Blauwwind) are on schedule for commissioning and grid connection

Source: Navigant

in 2020. The first positive results of the Dutch development model are evident, with the zero-subsidy tenders for Hollandse Kust Zuid (combined 1,500 MW). Developers are committed to building and operating future offshore wind plants with no subsidy or fixed market price. This is a testament to cost reductions achieved by offshore wind developers, supply chain and other stakeholders in the offshore wind industry. Keeping up the pace, the Dutch offshore wind industry is anticipated

to achieve 10.6 GW installed capacity by 2030. This capacity would ensure the total of 49 TWh required from offshore wind to ultimately meet the CO2 reduction targets from the Dutch climate agreement. Huygen van Steen, managing consultant, and Jesse Broehl, senior research analyst, are wind power experts at Navigant, a Guidehouse company. Navigant recently published the Dutch Offshore Wind Market Update 2019, which highlights this year’s most important offshore developments.

Short-Term Outlook for Dutch Offshore Wind Development

Source: Navigant

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Next generation

foundations

Deployment of next-generation 10 - 15MW+ offshore turbines with up to 220m+ rotors built 100km -plus from shore presents a new formidable wind industry challenge and reality within years. An interlinked question is what will be the most likely substructures for these giants and what could happen next?

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The latest and largest 7 – 9.5MW class turbines installed today offshore in Europe are most evolutionary upgrades of 6 – 7MW models introduced from 2011/12 with current 150 – 167m rotor diameters. The newest 12 – 15MW+ turbines for North Sea and other highwind international markets from 2021/22 onwards will typically feature 185 – 220m+ rotors.

Main trend For mainly ‘low-wind’ China, a modest rating plus large rotor combination has become a main trend and each configuration option requiring optimal substructure solutions. This will create fresh challenges to developers and substructure suppliers, like in (manufacturing) technology, transportlogistics, installation, operational phase, and the unknown. Upcoming 12 – 15MW+ giants are with certainty not a final scaling stage, but likely a stepping stone to future 20 – 25MW units with matching 260 – 280m+ rotors. However, their development and introduction pace is still uncertain and according sceptics largely confined ‘only’ to academic research. One 20MW concept design with 250m+ rotor originates from DTU (Danish Technical University) and likely developed within

the EU-supported INNWIND R&D programme. It builds at earlier 20MW studies within the Upwind predecessor. One major substructure developer challenge is that a 220-metre turbine rotor has 78% larger swept area compared to a state-of-the-art 165-metre rotor. This substantially increases rotor wind loading (thrust), which causes higher bending moments at the critical tower-substructure and substructure-seabed interfaces. This loading impact is reinforced by the requirement to increase hub height in parallel, because minimal free distance between water surface and blade tip in bottom position must be maintained. If rotor diameter increases by 50m, hub height must be raised the rotor radius (25m).

Popular monopiles At the end of 2018, monopiles according WindEurope statistics represented 81.9% of all installed substructures in European waters set against 6.6% for jackets coming second. Simultaneously, future applicability of monopiles has been put in doubt at least since first plans for the Dutch

Princess Amalia (2008; former Q7) windfarm in the early 2000’s. This scepticism initially concentrated at the question whether the combination 2MW turbines plus 19 – 24-metre water depths would be technically possible and feasible. It then shifted to a maximum envisaged about 30-metre water depth, and again up to 40m and 8MW, especially focused at the MHI Vestas V164-8.0MW some years ago. Today up to 50 – 55m water depths are considered viable for monopiles at many offshore sites, and in combination with 8 – 9.5MW high-wind turbines with up to around 175m rotors. Van Oord Offshore research and development manager Offshore Wouter Dirks believes there is 100% chance that these 12MW/220m turbines will be put at monopile substructures: “First, North Sea overall conditions are today well known to developers, OEM’s and installation contractors alike. Second, the wind industry is rather well equipped to handle even much larger turbines. Third, the latest larger-scale turbines are more economical set against current smaller models, thereby assuming

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again viable proven technology and comparable optimized layout and performance characteristics. Huge additional savings can be achieved too, because fewer foundations and cables are needed for a given windfarm size comprising turbines, plus during installation and operational phases.”

Larger and longer He adds that monopiles for 12MW+ will feature over 8-metre diameter and >100m total foundation lengths, but even larger longer substructures could still viable up to about 50m water depths. Proper overall judgement in his view requires considering nonturbine key variables too, especially main variables mean wind speed, water depth, and soil conditions. Dirks: “One overall risk factor is that the supply chain still does not know exactly where the main critical issues could emerge. However, it is well known that monopile scaling challenges focus at manufacture, handling and installation, whereby contractors must take care of complete turbines and additional infrastructure. On the other hand,

manufacturing costs of monopiles are relatively low and only a fraction of jacket manufacture. Monopiles can also be produced in large volumes, whereas such ramp-up for jackets is far more difficult.” He continues that even when considering the huge amount of steel required for future 15MW monopiles, it likely continues being a winner in a total cost comparison with much lighter jackets. Simultaneously, full system dynamics for the 12 – 15MW+ class contains several unknowns to be unravelled. Dirks: “Extrapolations and estimations based on our comprehensive in-house know-how and experience clearly indicate that this should again become a technically and financially feasible overall solution.” A closely interlinked issue he pointed at is the handling of these bigger, longer and heavier monopiles, requiring adequate crane hoisting capacity for coping with pile masses of 2,000 tonnes and more. Finding suitable jack-up type or floating installation vessels

Jackets Van Oord develops both three and four-legged steel jackets in-house and on client requests. Three-legged substructures are thereby normally considered cheaper, including for the fact that it is composed of nondeforming triangles. Four-legged equivalents come in the picture for applications with unstable seabed conditions, or rocky seabed sites where it allows use of shorter smaller size pins for fixing the substructure to the seabed. Dirks finally: “There is substantial potential left for jacket optimizing, and at some specific offshore locations across the globe jackets do simply prove the better solution.” A promising external development direction for jacket substructures are suction-bucket type, of which Vattenfall installed one unit at Riffgrund 1.

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Monopile manufacturing challenges The two leading European monopile suppliers are Rostock (Germany) based EEW, and Dutch company SIF. The latter’s capabilities include monopile (pile + transition piece) maximum lengths of 120m, with up to 11-metre diameter, 2,250-tonne maximum pile mass, and a maximum wall thickness of 250mm by cold rolling (picture). Fons van Lith is SIF investor relations manager. He explained that the latter dimensions reflect the current in-house equipment available to manufacture such huge piles: “We receive individual flat 26-metre by 3 – 4.4m wide steel sheets, and these are then in Roermond cold-rolled and welded in full circle segments. After that they are transported by ship to our latest Rotterdam plant for final pile assembly to required lengths and for up to 50 – 60m water depths.” He added that current monopile design methods are still based upon oil & gas industry norms, but these have proven rather conservative. An Ørsted led initiative aims at designing new large-scale monopiles with reduced wall thicknesses. A big challenge for SIF in the light of the combination larger diameter and reduced wall thicknesses is retaining workability of the pile manufacturing process, like through adapted working methods. One key manufacturing process focus is retaining sufficient stiffness of post-rolled circular sections during welding, when internally or externally moving (sub)assemblies, and/or in being stored. Van Lith concluded: “Currently we do not see competition from Asia for monopiles for various reasons. At first, monopile manufacture is characterized by a high degree of production automation. Second, transport distances are huge and shipping costly because ‘a lot of air’ is transported together. These factors combined make it essential to produce locally and close to end user markets.”

with sufficient crane capacity and crane boom length could become critical factors and thus a future bottleneck, The maritime sector is carefully considering investments in new installation equipment.”

Next scaling step His comments on 20 – 25MW turbines as a next scaling step for the mediumterm are brief: “If these are commercially introduced in future, we will install them. My principle ideas on next generation offshore turbines, without having the full picture right now, are that technology should be as simple as possible. Radical solutions like for instance multirotor turbines sound attractive but could easily result in higher system complexity due to many more components needed per MW, plus perhaps higher installation costs, and lifetime OPEX.” Dirks is on the other hand enthusiastic about an alternative solution for resolving this specific monopile related issue: “Van Oord together with DOT, SIF, TUD and technology institute TNO just completed a successful one-year North Sea field test on a mechanically split monopile design. The technology principle is based at an uncomplicated mechanical friction-connection called slip-joint between the actual pile and (upper) transition piece. In addition, the inner coning surface of the (upper) transition piece is dropped over a matching coning outer part of the pile top section, creating a strong durable joint between the two monopile halves. The trial itself was performed with a scaled 500kW DOT turbine atop this substructure at a North Sea location inside the Princes Amalia windfarm.” He continued explaining that this rather uncomplicated friction joint eliminates a grouted or bolted joint, and offers substantial cost reductions in material, equipment and installation time too. Another key benefit is that it allows splitting the monopile into a shorter actual pile and a relatively long transition piece, which lessens some of the installation vessel crane hoisting capacity demands.

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Optimising progress Dirks: “Further slip-joint refining and optimizing efforts are ongoing and progressing well. DNV GL is expected to issue a Technology Qualification certificate within the next 6 months. One of the main topics we are investigating together is potential degradation damage in the joint during 25-year design life. Wind and wave loads measurements performed during the North Sea trial are for instance used as inputs for verifying and validating distortions inside the slip-joint. [Dutch] knowledge institutes TNO and WMC in

parallel have conducted tests on slipjoint performance and behaviour at a different scales in their labs.” He added one key design challenge being long-term corrosion behaviour in the submerged marine environment. Another main issue to be tackled was that the design is based on standard manufacturing tolerances, which will in practice never produce perfect matching slip-joint surfaces. But bot aspects have been addressed in the current design.

A significant technology and product development milestone for Van Oord and partners is that the slip-joint certification procedure for Borselle Plot 5 has been completed. The next challenge remains according Dirks to convince project developers about all benefits of the overall solution. However, if Van Oord has balance of plant responsibility for constructing a windfarm, it has much more freedom in making choices and pursuing novel solutions like slip-joint, he said. “Designing a slip-joint while accepting uncertainties is truly exiting for Van Oord’s design team, and we have also teamed up with knowledge institute partners TNO, DOT experts and TU Delft technical university. The slip-joint and underlying technology principle are already centuries old, and the solution is deployed in numerous applications and therefore not patented. Most rewarding is that the first commercial full-scale slip-joint application will be realized inside Plot 5 of the upcoming Borselle North Sea windfarm in combination with a MHI Vestas V164-9.5MW turbine”, Dirks concluded.

By Eize de Vries

Offshore WIND | NO. 04 2019

IN-DEPTH TECHTALK

The future in

turbines

Rated capacity in relation to rotor diameter and drivetrain choice are three key characteristics of any wind turbine. This article focuses at mainstream commercial offshore turbines and the new roughly 7- 12MW+ superclass being launched and developed in various global markets, popular configurations, backgrounds and what the future could bring.

Offshore WIND | NO. 04 2019

reason is (perceived) higher failure rates of the third high-speed gear stage. Specific power rating is the ratio between rated power and rotor swept area expressed in watts per square metres (W/m²). An optimized ratio contributes to the lowest possible LCOE of a given turbine configuration under specific wind conditions, but company strategies differ considerably. The 9.5MW MHI Vestas V164-9.5 MW for high-wind North Sea application comes for instance with 450W/m² whereas the V174-9.5 MW successor with enlarged 174-metre rotor for global markets scores 400W/m².

Direct drive success

Europe was last year again the world’s largest offshore wind market, and according WindEurope 2018 statistics dominated by only two suppliers. Siemens Gamesa turbines took a 62.2% majority share with its direct drive models and MHI Vestas pursuing medium-speed geared accounted for 33.3%. Bankrupt Senvion pioneered the that period 5MW superclass in 2004 with an offshore-dedicated high-speed geared turbine. This conventional non-integrated 5M model was uprated and optimized to 6.2MW in 2009. The original 126-metre rotor size remarkably remained the world’s largest from 2004 – 2012 in the offshore segment, which conservatism became finally an Achilles Heel of the once offshoreleading concept. This was due to the much delayed introduction of a 6.XM152 model with enlarged 152-metre rotor in 2014. Main competitors Siemens Gamesa and MHI Vestas had two years earlier already introduced new 6MW respectively 8MW models, which set new (reduced) head mass standards and together with 154-metre and 164m rotors. Senvion’s 10MW+ turbine was announced in 2017 but never realized. It was according well-informed sources a medium-speed concept, which seamlessly fits into many wind industry statements that there is no demand for new high-speed gearboxes for offshore above 6MW. One main contributing

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The successful Siemens Gamesa direct drive commercial offshore era officially commenced in 2014 with the (Mark I) 6MW SWT-6.0-154 incorporating an innovative segmented outer-rotor generator. The prototype originates from 2012, but the initial SWT-6.0-120 with 120-metre rotor was introduced in 2011. The 10MW SG 10.0-193 DD Mark V features 193-metre rotor diameter and the prototype is planned this year. Product characteristic are a shorter boxtype nacelle and enlarged permanent magnet generator (PMG) compared to the SG 8.0-167 DD Mark IV. Staying technologically ‘close’ to the original

concept allowed a fast development track for entering the market in 2022. The company explained that its 314W/ m² fits well into current client wishes for high-wind, and future liberalized market conditions with high electricity prices during little wind plus high demand combinations. The SG 8.0-167 DD Mark IV has an about 800-unit confirmed order backlog. Numbers installed and sold of the 7MW SWT-7.0-154 and SWT6.0-154 are respectively ±675 and ±500 units. The SG 10.0-193 DD features about 94-metre glass & carbon fibre reinforced epoxy composite B94 blades. First major (conditional) orders are about 140 units for Dutch Hollandse Kust I&2 and 3&4 planned in the Dutch North Sea. It is further public wind industry secret that Siemens Gamesa and MHI Vestas each develop a 12MW+ turbine, but more details are not available. GE is a relative offshore newcomer with limited track record in the 6MW class, but the Haliade-X spearheads the emerging 12MW segment, with the prototype in Rotterdam recently completed. This giant features a direct drive PMG with ±11-metre diameter and the world’s largest 107-metre blades. Prototype permitting documents meanwhile indicate 218.2-metre rotor

diameter (officially 220m), and an enhanced 12 – 14MW rating versus the official 12MW. First (conditional) 1.2GW US project sales were announced this September. The most recent news that SSE and Equinor have selected GE as a preferred supplier for three Dogger Bank sites totalling 3.6GW. This amounts to 400 units in total based on 12MW rating, which would instantly make Haliade-X an offshore wind market leader.

Offshore market leader China’s new 2018 offshore installations according GWEC statistics amounted to 40% of the world’s total, with the UK (29%) and Germany (22%) taking second and third positions. China is a typical low-wind market, but there are also high-wind parts like off the Chinese south-east coast. The first offshore turbine installation was perhaps in 2010. The first offshore project commissioned in 2013 is the 201.3MW 80-turbine Jiangsu Rudong demonstration windfarm according the respected Wikipedia ‘Liste der Windparks’ site. It comprises 21x 2.4MW Siemens, 17x 3MW Sinovel, 40x 3MW Goldwind, and 2x 5MW CSIC Haizhuang turbines. Local suppliers have built track record experience with a comprehensive range of 1.5 – 3MW+ offshore-adapted turbines plus a few offshore-dedicated 5 – 5.5MW designs. Many early Chinese turbines were based on foreign third-party designs, through (non-exclusive) license agreements, custom-developed products, or co-development projects. Wind technology providers include aerodyn (e.g. CSIC Haizhuang 2MW, Guodian 1.5MW, MingYang 3MW – 6MW), and AMSC Windtec (e.g. Sinovel 3MW, 5MW, 6MW; and Dongfang 5.5MW). Goldwind initially used licences from German direct drive turbine developer/manufacturer Vensys, and today 70% owner of the company.

MingYang introduced three new offshore turbine models, all threebladed upwind and featuring a compact semi-integrated medium-speed geared drivetrain. It installed two 5.5MW MySE5.5-155 prototypes with 155-metre rotor during 2018, and the 7.25MW MySE7.25-158 prototype with enhanced 158-metre rotor this February. Both are certified for high-wind IEC 1B. A 5.5MW MySE5.5-18X sister model for low-wind is in development. A possible 186m rotor diameter corresponds to only 202W/m², compared to 370W/m² for the MySE7.25-158. All three models comply to typhoon-prone wind conditions, which could as a strategy could involve letting the rotor turn slowly and continuously redirect it to continuously changing horizontal wind direction. MingYang’s offshore order backlog amounted to 3.76GWh this June, mainly MySE5.5-155. A 12MW turbine is in development.

Siemens Gamesa has issued multiple turbine licenses to Shanghai Electric including the 4MW SWT-4.0-130 and most recent for the SG 8.0-167. It according ‘Liste der Windparks’ operates 382 4MW W4000-130 renamed units in Chinese waters with another 249 under construction.

The overall concept builds at the patented Super Compact Drive (SCD) technology of German engineering consultancy aerodyn-engineering. Former SCD-licensee MingYang bought the IP rights in 2016 allowing free deployment in China as ‘a compact semi-integrated drivetrain solution.’ For

international projects, ‘each project will be judged on a case-to-case basis.’ An ‘original’ offshore-dedicated 6MW two-bladed downwind MingYang prototype with 140-metre rotor diameter operates in China since 2014. Such configuration offers according aerodynengineering the best chances of surviving common hurricanes. The hurricane-survival operational strategy is here minimizing loads by locking the rotor in horizontal position together with free yawing, which allows the rotor-nacelle assembly to follow rapid changes in horizontal wind direction. However, the latest wind industry preference seems to be for threebladed upwind with a hurricane-survival strategy as explained above. Goldwind operates its direct drive turbines in Chinese waters since at least 2013, with a project featuring 43 offshore-modified 3.3MW GW140/3300 (214W/m²) units a recent example. A key model of the offshore-dedicated 6S platform is the 6.45MW GW 171/6.45, of which a low-wind prototype with 171-metre rotor operates since 2017. Goldwind recently completed an 8MW GW168-8.0MW turbine model for highwind IEC 1B (361W/m²) sites.

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The prototype will be installed this year. A GW 184/6.45MW sister model for lowwind (243W/m²) in development features one of the wind industry’s current largest 184-metre rotors. Envision’s smaller flagship turbine model for both onshore and offshore is the 4.5MW EN148-4.5 MW with 148-metre rotor diameter. It represents a two-step evolutionary upgrade of the original EN136-4.0 (2013), and features a conventional high-speed geared drivetrain with two main bearings (4-point support) and induction generator. The cumulative offshore track record is at least 219 units. Dongfang Electric (DEC) recently presented a 10MW offshore turbine, likely the first in China of this size and with an in-house developed direct drive PMG. The high-wind design has 185-metre rotor diameter and commercialization following prototype installation ‘may still need one to two years.’ DEC’s smaller 5.5MW turbine is a co-development with AMSC Windtec.

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Other Asian growth markets

Gearing up for global markets

dominate, including in China where MingYang switched from two-bladed downwind. 2-B Energy and aerodynengineering continue pursuing the latter concept approach, but both are a niche players. Several Chinese manufacturers are finally gearing up with new in-house developed turbines in the 10 – 12MW+ class, most fitted with large trendsetting rotors. At least several OEM’s are expected to first focus at the local market, but as stepping stone for global markets entry. International expansion to North Sea and other highwind markets will require adaptations of low-wind designs for again achieving LCOE-optimized solutions. Two common strategy options are increasing the rating, or offering a smaller rotor with unchanged rating. Especially leading Chinese suppliers Envision, Goldwind, and MingYang are considered formidable future contenders for western OEM’s, and their international market entrance could become reality sooner than later.

Three bladed upwind offshore turbine configurations clearly continue to

By Eize de Vries

Taiwan has rapidly become a major Asian offshore market, while Vietnam and India are considered high-potential growth markets too. Early this century several Korean shipbuilding giants including Samsung, Hyundai and DSME had planned a fast massive global (offshore) wind market entry. Today only Doosan has remained active in the offshore segment, offering a 5.56MW highspeed geared WindDS5500 model with 140-metre rotor and PMG for IEC 1B. The 2013 prototype in 2017 acquired from Hyundai originates from AMSC Windtec. Doosan last year commenced developing an 8MW direct drive WinDS8000 turbine, with limited information indicating 90-metre blades and 193m+ rotor diameter for low-wind deployment.

Created and produced by

READ the International Business Guide online on www.offshoreWIND.biz

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BARD continues to push the boundaries back Country focus - Germany Small support vessels

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Foreword by German Federal Environment Minister

Foreword by CWEA Interview with Siemens Energy Subsea Cables

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The Marineco Shamal is awesome... She performs very well... Second day of sea trials off Rotterdam in a westerly 6 she handled it brilliantly. Best Damen design in years. Cheers!

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MIKE CONAFRAY MANAGING DIRECTOR MARINECO (UK) www.damen.com/en/markets/offshore-wind

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Subsea Operations

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Wind Bankers III

TechTalk - Cables

”

Innovative upending systems.

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Industry experts have recognised Barge Master as a solution for the age-old problem of sea-induced motions during offShipyards

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Country Focus: Germany

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Interview with wpd offshore

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Foreword by the German Offshore Wind Energy Foundation

Magazine for THE OFFSHORE WIND INDUSTRY

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Use a Barge Master Platform to Lower Costs and Deliver to Schedule Magazine for THE OFFSHORE WIND INDUSTRY

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Safe, Motion Compensated, Offshore Lifting

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2010

14/06/2013 08-04-13 14:28:03 11:44

2012

2010

2011

2012

• 883MW added, from 308 turbines • 8 wind farms full connected • Most Installed capacity: UK • Average water depth: 17.4m • Average distance to shore: 27.1km • Average turbine size:2.6MW • 29 new turbines announced

• 866 added, from 235 turbines • 246 turbines installed • 2 wind farms fully connected • Most installed capacity: UK • Average wind farm size: 200MW • Average water depth:22.8m • Average distance to shore: 23.4km • Average turbines size: 3.6MW • 23 new turbines announced

• 1.166MW added, from 293 turbines • 369 turbines installed • 4 wind farms fully connected • Most installed capacity: UK • Average wind farm size: 271MW • Average water depth: 22m • Average distance to shore: 29km • Average turbines size: 4MW • 38 new turbines announced

Interview with Gamesa Asia in stats Cost reduction HR focus

17-07-13 14:52

Minister for Energy

Interview with Vestas Offshore

To take the lead with a dedicated offshore turbine, visit vestas.com/offshore Small

support vessels

Country focus: UK

Wind. It means the world to us.™

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Available July 2012

Foreword by KWEIA

Interview Goldwind Debottleneck the offshorewith wind supply chain. Industry experts have recognised Barge Master as a solution Wind Bankers II for the age-old problem of sea-induced motions during offshore installation work.

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EWEA OFFSHORE 2011 – Dutch special

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Magazine for THE OFFSHORE WIND INDUSTRY

The Twin Axe is A big success ThaT’s why we’re making iT smaller “

damen fCs 2008

”

peter robert business development manager offshore wind www.damen.nl/en/markets/fast-crew-supplier +31 (0)183 63 99 22 | pro@damen.nl

Foreword by FEE Interview with Alstom Grid Operation & Maintenance Region Focus: Belgium & France Visit us at eWea 2012 • stand e-C61 • 16-19 april • Copenhagen • denmark

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164-meter rotor: The rotor’s exceptional size enables more energy to be harvested from the wind and gives you greater overall annual energy production.

Reduced installation time: Installing fewer turbines reduces installation time at sea, giving you a lower cost of energy for the wind power plant.

Use a Wave Compensation Platform to

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V 164-7.0 MW

BARGE MASTER

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Bigger rotor

Lower Costs and Deliver to Schedule

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With a massive 164-metre rotor, the biggest turbine in the industry Magazine for THE OFFSHORE WIND INDUSTRY is your key to cutting offshore installation costs.

Use a Wave Compensation Platform to

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Size up.

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over the past years?

Foreword by Danish Minister for Climate, Energy and Building Interview with DNV KEMA Energy & Sustainability Region Focus: Scandinavia Wind Farm Support Vessels Underwater Operations

20-01-12 11:32

04-04-12 08:59

2011

Reliable offshore competence

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...HIGHER

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E-RAD BLU SETTING BOLTING STANDARDS...

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As energy recovery from renewable and fossil fuel sources pushes farther offshore, keeping maintenance staff comfortable is a key challenge. Damen Shipyards’ high performance ‘Walk-to-Work’ vessel addresses the expectations as set by the industry. The vessel has on-site work and storage facilities, plus accommodation for up to 40 maintenance personnel and management and a crew of 20. It will be able to stay out at sea for voyages of up to one month duration, feature dynamic positioning (DP2) and a telescopic, motion-compensated transfer gangway to allow for transfer of maintenance teams to walk between vessel and the offshore structure.

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Interview with Vattenfall

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NEW DESIGN: WHY? BECAUSE THE MARKET TOLD US SO!

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Special attention has been paid to interiors and onboard service space lay-out. Public spaces have been mapped for efficient workflows and storage, while 60 single occupancy cabins, a fitness centre and internet/movie services will benefit life at sea.

Ports & Logistics

WALK2WORK VESSEL Subsea technology

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After industry-wide consultation, the vessel has been designed from first principles to provide on-site work facilities and accommodation for 45 maintenance personnel plus 15 crew for voyages of up to one month.

Interview with Iberdrola

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NEW DESIGN: WHY? BECAUSE THE MARKET TOLD US SO!

DAMEN OFFSHORE WIND

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WALK2WORK VESSEL

See the Damen Walk2Work in action Scan this ad with your Layar-app.

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DAMEN OFFSHORE WIND

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See the Damen Walk2Work in action Scan this ad with your Layar-app.

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2013

2014

2013

2014

• 1.567MW added, from 418 turbines • 522 turbines installed • 7 wind farms fully connected • Most installed capacity: UK • Average wind farm size: 485MW • Average turbines size:4MW • Average water depth: 20m • Average distance to shore: 30km

• A combined capacity totaling 1,483 MW • 408 offshore wind turbines in nine wind farms • One demonstration project • 536 turbines were erected • 2,488 turbines now installed and grid connected • Cumulative total of 8,045.3 MW in 74 wind farms in 11 European countries • 12 offshore projects under construction

sif-group.com/new

Accommodation at Sea Operations & Maintenance

Leading in offshore foundations

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Towage

(Pre)Assembly

Storage & transhipment

Interview with DONG Energy on H&S Foundations Offshore grids

ROYAL WAGENBORG P.O. Box 14 9930 AA Delfzijl The Netherlands T +31 596 636 911 F +31 596 636 250

Accommodation vessels wind@wagenborg.com www.wagenborg.com

Price per issue 7 25 Europe | 7 27 Rest of the world

Interview with Scaldis SMC WTIVs Access systems Turbines & Blades

Jack-Up Barge is the innovative provider of self elevating platforms for the offshore renewables, oil & gas, decommissioning, well services and civil construction markets. | www.jackupbarge.com

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Wind Farm Support Vessels

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Effects on marine life

Interview with MHI Vestas Offshore Wind

Follow our progress at

Shipping

Whatever transport is important to your business: Royal Wagenborg has been looking for the most intelligent and reliable transport solutions for more than a century. With our committed people and state of the art equipment we offer full service logistic solutions to the wind power industry. Wagenborg, a sign of solutions since 1898.

Magazine for THE OFFSHORE WIND INDUSTRY

| VOL VII NO 01 2016 | WWW.OFFSHOREWIND.BIZ

OWW2WO01

WWW.DAMEN.COM

Our production possibilities? Production capacity of 4 to 5 XL monopiles per week up to 11 meters and a maximum weight of 2.000 tons including a dedicated monopile coating hall.

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Foreword by EWEA

ship with EDF Energies Nouvelles Interview an efficient We take pride in building you Kommer Damen Wind farm optimalisation

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Damen offers innovative, cost-reducing, safe and efficient solutions to assist the offshore wind industry. We have developed a range of dedicated wind farm support vessels from Fast Crew Boats and Shoalbusters to Wind Farm Maintenance Barges and cable layers. We see innovation as the key to success. Our aim? Optimising energy efficiency without compromising on performance and reliability.

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W E C R E AT E I N N O VAT I V E S O L U T I O N S T O M A X I M I S E O P P O R T U N I T I E S F O R A L L C O N C E I VA B L E TA S K S

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But this time we have made the decision to expand closer to your and our core-business.

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Sif Group is expanding to the North Sea

LOGISTIC SOLUTIONS TO THE WIND POWER INDUSTRY

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Sif Group is leading in offshore foundations. To stay in this leading position Sif Group decides to expand. Again.

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WE INNOVATE FOR THE FUTURE

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OFFSHORE WIND

INTERVIEW WITH GILES DICKSON DECOMMISSIONING NORTH AMERICA UPDATE TOP RANKING 2015

20-04-15 11:05

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2017

2015

2016

2017

• 3,018.5 MW of new offshore wind power connected to the grid • 419 new turbines • Most installed capacity: UK • 7 turbines decommissioned in the UK and Sweden • 14 projects were completed in 2015 • Work carried out on 22 offshore wind farms in Europe • Average water depth: 27.2m

• 1,558 MW of additional installed grid-connected capacity • 48% less than in 2015 • Net addition of 338 new offshore wind turbines across six wind farms • 11 projects, worth €18.2bn, reached Final Investment Decision (FID) • 39% increase over 2015 • Represented 4,948 MW of new capacity • First US wind farm, Block Island, operational

• Record 3,148 MW of net additional installed capacity • 560 new offshore wind turbines across 17 wind farms • 14 projects fully completed and connected to the grid • First floating offshore wind farm • Work is going on a further 11 projects in Germany and the UK • Europe total installed offshore wind capacity of 15,780 MW • 4,149 grid-connected wind turbines across 11 countries • 2017 was a record year: twice as much as 2016 and 4% higher than the previous record in 2015 • 2.5 GW of new capacity reached FID during 2017 • Six projects worth €7.5bn reached FID • This is a 60% decrease from 2016 and the first decrease in investments since 2012

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2018

2019

2018

2019

• 409 new offshore wind turbines to the grid across 18 projects • 2,649 MW of net additional capacity • Total installed offshore wind capacity of 18,499 MW • 4,543 grid-connected wind turbines across 11 countries • 12 new offshore wind projects reached Final Investment Decision (FID) in 2018

(predictions based on report bij International Energy Agency, Global Offshore Wind outlook 2019) • Offshore wind is set to be a $1 trillion industry over the next two decades • Promise of growth hinges on government policies and industry strategies • Policy makers need to provide long-term visibility for supply chains to be efficient • Policy makers must focus on maritime planning and onshore grid development • Offshore wind contributes to electricity security and makes energy transitions more affordable • Hydrogen and further innovations, such as floating turbines, expand opportunities

The month of

floating wind

Developments on the global floating wind front filled news reports throughout October, from new advanced research and development projects to new floating wind turbines set to be installed. With concrete floating wind activities mostly ongoing in regions with developed offshore wind market, more country names came up in a report on offshore wind potential in emerging markets, published by World Bank on October 1.

This year, developments in the floating wind realm have gained momentum in Europe, Asia and the United States. Some of the most significant activities took place in October, including the financial close for the Hywind Tampen project in Norway, sail-out of the first WindFloat Atlantic floating turbine to its site off Portugal, the launch of a new national Floating Offshore Wind Centre of Excellence in the UK, and USD 5.7 million funds awarded to the U.S. National Renewable Energy Laboratory (NREL) for floating wind turbines research projects. Equinor and its Gullfaks and Snorre partners reached the final investment decision for the Hywind Tampen floating wind farm mid-October. Shortly after, the developers signed contracts with Kværner, Siemens Gamesa, Subsea 7 and JDR Cable Systems for the construction of the project that will power oil & gas platforms in Norway. The wind farm will comprise eleven Siemens Gamesa 8 MW turbines and – with the capacity of 88 MW – it will be able to meet around 35% of the annual power demand of the Snorre A and B, Gullfaks A, B and C platforms.

Hywind Tampen is scheduled to be put into operation in late 2022. In Spain, the first WindFloat Atlantic platform with the wind turbine fully installed has sailed out from the Port of Ferrol to the project site off the coast of Viana do Castelo in Portugal. The structure comprises a floating platform and an MHI Vestas 8.4 MW wind turbine. In the coming months, two more platforms will be installed to complete the wind farm. Once completed, the three WindFloat Atlantic floating structures will form the first floating wind farm in continental Europe. On October 31, the UK’s Offshore Renewable Energy (ORE) Catapult announced the launch of a new national Floating Offshore Wind Centre of Excellence to drive forward the development of next-generation offshore wind technologies. The aim is to develop an internationally recognised centre of excellence that will work to reduce the cost of energy from floating wind, accelerate the build-out of floating farms, create opportunities for the UK supply chain, and drive innovations

in manufacturing, installation and operations and maintenance, according to ORE Catapult. The initiative is backed by up to GBP 500,000 funding each from the Scottish Government and the Catapult’s Welshbased Marine Energy Engineering Centre of Excellence (MEECE), match funding from the industry, and active support from Cornwall & Isles of Scilly Local Enterprise Partnership. At the beginning of the month, the Cornwall & Isles of Scilly Local Enterprise Partnership (LEP), Marine Energy Wales and Marine Renewables Industry Association Ireland (MRIA) signed an agreement to establish Celtic Sea Alliance in order to work together on progressing floating offshore wind projects in the Celtic Sea. Next steps include the formation of a Celtic Sea Offshore Wind industrial cluster, as well as continuing policy engagement to secure a pipeline of at least 1GW of floating wind in the Celtic Sea before 2030, which, in turn, is expected to attract in excess of GBP 2 billion worth of regional investment and generate new jobs, according to the signatories. With the last days of October, Ideol and Elicio announced that they are preparing a joint offer for the upcoming ScotWind offshore wind leasing round in Scotland. The partners said that they teamed up to offer to co-develop floating wind projects off the Scottish coast. Earlier that month, Ideol signed a Memorandum of Understanding (MoU) with Taisei Corporation for joint development and promotion of concrete floating wind turbine foundations in Japan using Ideol’s Damping Pool technology. The two parties anticipate that the use of concrete will enable them to further reduce the cost of floating foundations. In France, the Occitanie/PyrénéesMéditerranée Region awarded a contract for the port expansion of PortLa-Nouvelle in south-western France to the consortium of Bouygues Travaux Publics and Boskalis Nederland BV.

Offshore WIND | NO. 03 2019

The extension will enable the port to accommodate the construction and assembly of pilot floating wind farms planned off the coast of Occitanie, Bouygues Travaux Publics said. France has so far approved four floating wind pilot projects with a combined capacity of just below 100 MW. Three are located in the Mediterranean and one in the Groix area in Brittany. In the United States, October saw the National Renewable Energy Laboratory (NREL) being awarded USD 5.7 million in new funding by U.S. Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E) for research projects of floating offshore wind turbines. NREL will work as the prime contractor on three projects within ARPA-E’s Aerodynamic Turbines Lighter and Afloat with Nautical Technologies and Integrated Servo-control (ATLANTIS) program, aiming to develop next-generation floating wind turbines. “Offshore wind market forecasts show accelerated growth,” said Brian Smith, NREL’s wind laboratory program manager. “These projects ensure that innovative floating offshore wind technologies will continue to develop

and expand U.S. offshore wind energy capacity.”

Emerging markets In its report Going Global: Expanding Offshore Wind to Emerging Markets, released on October 1, World Bank presented eight case studies on the technical potential for offshore wind. Looking at Brazil, India, Morocco, the Philippines, South Africa, Sri Lanka, Turkey, and Vietnam, the report finds that these eight countries have a total technical potential of approximately 3.1 TW – 1 TW in fixed-bottom and 2.1 TW in floating offshore wind. Although emerging markets have abundant wind resources, along with the demand for new cost-competitive electricity sources and renewable energy, significant barriers to offshore wind investment remain, according to the report. While governments and the industry on a global level still need to put in more work to push offshore wind to its secure position in the global energy transition, emerging markets can tap into the lessons learned by more developed offshore wind markets that could help scale offshore wind more rapidly.

Floating wind technology will become important for many developing countries, especially those with deeper waters, seismic activity, and/or significant extreme weather risk, World Bank states, adding that Bloomberg estimates a cumulative installed capacity of 1.2 GW of floating wind across seven countries and 19 different sites by 2030. Even though floating wind costs are currently significantly higher than those of fixed-bottom offshore wind, floating wind is considered by many in the industry as the next leap forward, World Bank says in the report. With capital costs expected to fall significantly over the next decade, floating wind could unlock deep-water sites unsuitable for fixed foundations. “Fixed foundations represent the bulk of the opportunity in India, Sri Lanka, and Turkey. Other countries such as the Philippines and South Africa will require floating foundations, for which commercial scale is currently a barrier to deployment. Brazil, Morocco, and Vietnam can benefit from both technologies,” the report states.

Offshore WIND | NO. 04 2019

OFFSHORE ENERGY

Home of Energy Transition Offshore Energy enjoyed a succesful event in October. Energy Plaza, the newest feature on the exhibition floor housed the Conference Dome, where six technical sessions were held. Many visitors valued the new exhibition floor staple greatly.

Giving a push to

energy transition “Is the energy transition moving fast enough?” A question that was relevant for Offshore Energy 2019. As an industry we dan answer: “Not yet.” But: We can gain pace and we need to. Creating the opportunity to discuss collaboration, showcasing the necessary innovations, and learning from each other is what Offshore Energy as an event set out to do this year.

Combining oil, gas, marine energy, and offshore wind at one event, Offshore Energy 2019 owned the theme: Home of Energy Transition. Trade missions visited from Bangladesh, Belgium, Brazil, China, France, Germany, Lithuania, Mexico, Morocco, Poland, Portugal, Qatar, Singapore, Vietnam, Taiwan, United Kingdom, and United States. They shopped around and were introduced to various companies.

“This edition of OEEC proved again the importance of bringing people from the industry together to collaborate. Especially when it comes to the energy transition we need to learn from each other,” says Coert van Zijll Langhout, director Navingo BV, organizer of OEEC.

The conference and side events attracted many (international) delegates. “During the conference I got to learn about the energy transition developments in the North Sea and in the world. I also listened to different scenarios and found out where opportunities lie for my company. It was very beneficial,” said a visitor of the conference.

The next Offshore Energy Energy Plaza was buzzing

Exhibition & Conference

Energy Plaza was a new feature to the Offshore Energy Concept and housed the Conference Dome, The Stage, Experience Zone, The Studio, Startup Zone and the exclusive Premium Lounge.

takes place on 26, 27 and 28 October 2020.

Offshore WIND | NO. 04 2019

Advertorial

Foundations: Beyond XXL – Slim Monopiles for deep water wind farms XXL-Monopiles have been successfully used for water depth up to 40 m. Now wind farm developers need monopiles “beyond XXL”. Evolution “At the beginning of this decade nobody could image that 10 MW turbines and XXL-monopiles will be state of the art in Offshore Wind foundations and now we are even ahead of this” comments Ralf Hubo, managing director of Steelwind Nordenham. The extension of the range is needed, mainly to enable the use of larger turbines, dee-per water and harsher environmental situations. Monopile main design drivers • turbines up to 15 MW with rotor diameters up to 230 m, • extreme wind loads especially of hurricanes or typhoons, • water depths up to 65 m, • wave loads from Atlantic or Pacific ocean

Fabrication studies Fabrication of monopiles starts from flat steel plates being cold formed to cans. The can has to be supported by suitable support points without being damaged. Left picture in Figure 1 shows a typical stress distribution due to dead weight (can with slenderness of 160, FEM analysis). Local bending and hoop stresses increase with slenderness if the slenderness exceeds Ø/t = 100. The distance of the roller supports from the edge of the can or section and the width of the roller supports plays a significant role to avoid plastic deformation. On the other hand, Hertzian stresses in the contact area of can and roller support have to be considered when using steel support rolls.

These requirements lead to monopile designs with bottom diameters between 8 and 11 m, lengths up to 120 m and wall thicknesses up to 150 mm. The final weight of such monopiles can reach up to 2.400 t. These monopole design automatically induces the idea of design and fabrication optimisation to ensure that monopiles continue to lead the ranking of most economical foundation systems. One of the topics is the reduction of the weight of the monopole. Apart from use of higher strength steel in some highly stressed cans very often fatigue design aspects are preventing the general use of these steels. Another option for weight savings is the increase of the Ø/t-ratio resulting in more “slender” monopiles. This development requires detailed analyses for several design topics, but as well for a number of fabrication aspects. “The whole fabrication process has to be adapted for a safe and economic fabrication of slender monopiles „beyond XXL”, Ralf Hubo said Design studies Design studies have been done with different water depth, soil conditions and turbines up to 15 WM with their individual stiffness requirements. Conventional pile designs usually adopt limited slenderness ratios of Ø/t = 100 to 120 due to reasons of pile driving. This would lead to pile masses far beyond 2.400 t while the utilization ratios in the operating state are below 65 %. In the studies the slenderness ratio Ø/t was varied from 100 up to 190. The results are, that monopiles with slenderness ratios up to 160 are realistically feasible and applicable for deep waters and large turbines. The diameter can reach up to 11 m and the pile weight can reach up to 2.000 t under given conditions. After the extensive design feasibility studies, 2 main questions became relevant: • How to fabricate such kind of slender Monopiles “beyond XXL” ? • How to handle such kind of slender Monopiles “beyond XXL” ?

Figure 3: Derivation of limit slenderness of cans for lifting with C-beams

Support structure during further fabrication steps have been analysed as well. Intermediate sections and monopiles beyond 600 to 1200 t usually have to be supported at two or more points. The optimum position of the supports for heavy monopiles resulting in uniform support forces would be as shown in Figure 4. Especially for support points near conical transitions with a stiffening effect of the cone leads to higher stresses at such support points.

Figure 1: Allowable section masses on a roller support due to local stresses

Deformations can can occur due to dead weight as well es on roller supports.only. Figure 2 shows the maximum deflections of cans or sections on the roller supports depending on their diameter and slenderness ratio. The more slender the cans, the more this effect causes problems during later assembly of the pile. Additional support structures are necessary to keep the round shape of the cans.

Figure 4: Optimum positions of support points for heavy monopiles

As demonstrated by these examples, a very thorough planning of fabrication, transport and storage operations is needed for slender monopiles “beyond XXL”. This requires detailed “pre-production” to avoid later damage. Monopiles beyond XXL need Teamwork Design of slender and large monopiles “beyond XXL” is possible. New “random conditions” for fabrication are resulting from this have to be respected.

Figure 2: Maximum deflection of cans or sections at increasing diameter and slenderness

Transports and storage The cans are transported during fabrication, often done by cranes and C-beams. Similar to the situation on the roller supports, the dead weight of a can induces high local bending stresses at the contact line to the C-beam where plastic deformations can occur in particular for slender components. Figure 3 shows the results of the assessment for this load case, carried out for cans with diameters between 10 m and 12 m. The risk of plastic deformations exists already for mild-slenderness ratios. The lifting device have to be adapted in an appropriate way.

•T ake care on type and positioning of support structures • Take care on handling devices • Take care on additional stiffening support structures • Take care on special transport and storage conditions If not carefully taken into account the new random conditions for fabrication may lead to severe damage. Heavy investments is often necessary for adaptation of fabrication processes up to the installation process. Investments and additional fabrication hours both can cause significant cost increases. A balance can only be found if the fabrication process is integrated part of the design phase as early as possible. Keeping this in mind, the design and fabrication of monopiles “beyond XXL” are a further part of the monopole success story.

OFFSHOREBREEZES

Short news selection of hot topics from offshoreWIND.biz

CROWN ESTATE LAUNCHES OFFSHORE WIND ROUND 4

Photo: The Crown Estate

The Crown Estate has officially opened the Offshore Wind Leasing Round 4, which offers seabed rights for at least 7GW of new projects in waters around England and Wales. The first stage is the Pre-Qualification Questionnaire (PQQ), designed to assess bidders’ capability to deliver an offshore wind project based on a set of financial, legal and technical criteria that must be satisfied in order to qualify for the next stage. The deadline for PQQ submissions is 29 November, while the stage will run until January 2020. Stage one of the Invitation to Tender (ITT) phase is expected to begin in February 2020, with stage two scheduled for September. Round 4 includes incentives for technical innovation and options to propose hybrid projects. The projects will come forward across at least three bidding areas, with a respective maximum of 3.5GW. The lease terms have been extended from 50 to 60 years. Tenders

NEW YORK BEGINS PORTS UPGRADE PROCESS New York State has launched a Request for Qualifications process to upgrade port infrastructure that will be used for the local offshore wind sector. The New York State Energy Research and Development Authority (NYSERDA), Empire State Development (ESD), and New York Department of Transportation (DOT) seek proposals for pre-qualification from port operators and market participants interested in upgrading and investing in ports to support the state’s offshore wind industry. It is the first step in a twophase process through which New York seeks to pre-qualify proposers and then competitively select proposals for public-private investment opportunities. Only those who are pre-qualified will be eligible to participate in a subsequent competitive solicitation for up to $200 million to be issued in 2020. To be eligible, proposers must identify at least one port facility and describe the current level of site control or ability to obtain site control, and will be evaluated based on the demonstrated value and viability of the project. Ports & Logistics

ØSTENSJØ REDERI BOOSTS FLEET WITH NEW CSOVS Østensjø Rederi has signed a letter of intent for the construction of four Commissioning Service Operation Vessels (CSOVs) to meet the demand in the offshore wind market. The CSOVs are designed by Salt Ship Design in close cooperation with Østensjø Rederi. The vessels will be built at Astilleros Gondán, Spain. The 88.3m vessels, to be delivered in early 2022 and onwards, will serve as mother ships for technicians as they perform commissioning and maintenance work on offshore wind turbines. Cabins and common areas can accommodate 120 persons in total. The vessels are equipped with a battery hybrid propulsion system, which together with other energy-saving equipment will reduce the emission of greenhouse gases significantly.

Vessels

Offshore WIND | NO. 04 2019

OFFSHOREBREEZES

SUBSEA 7 WINS CABLE INSTALLATION DEAL

Subsea 7 S.A. has won a contract for the installation of the submarine cable system on an offshore wind farm project in Taiwan. Project engineering commenced immediately at Seaway 7’s offices in Leer, Germany, and in Taipei, Taiwan. Offshore activities at the wind farm are expected to commence in 2022. The value of the contract is between $50 million and $150 million. The company did not provide any further details on the contract due to contractual obligations. Cables & Grids

DALIAN SHIZHE PUTS TWO WFSVS INTO OPERATION The Chinese Dalian Shizhe New Energy Technology, a wholly-owned subsidiary of Ionix Technology, has put two wind farm service vessels (WFSVs) into operation. The two WFSVs were officially launched in early September. The China-based company revealed that it plans to launch an additional vessel before the end of the year. To remind, Northern China’s first offshore wind turbine started producing energy at the beginning of the year when the first 6.45MW unit at the 300MW Dalian Zhuanghe project was launched. Vessels

VATTENFALL’S TAGGEN PROJECT CEASED

Vattenfall and its partner Wallenstam have canceled the Taggen offshore wind project after the Swedish Armed Forces said no to the wind farm. Back in 2012, Taggen Vindpark AB obtained a permit to build the 300MW wind farm located in Hanö Bay some 12km offshore Sölvesborg comprising 83 turbines. The company subsequently submitted a proposal to reduce the number of the turbines used to a maximum of 40 by deploying units with a larger individual capacity and with a maximum height of 220m. The wind farm was scheduled to start delivering electricity in 2024/25. When the new permit application went to a referral, the Swedish Armed Forces said no not only to the new application, but to the project as such. The Swedish Armed Forces dismissed the proposals due to the wind farm’s vicinity to the Ravlunda shooting range which is located some 25km from Taggen’s development area. Business & Finance

Offshore WIND | NO. 04 2019

ØRSTED OPENS UK EAST COAST O&M HUB Ørsted officially opened its expanded East Coast Hub at the Port of Grimsby at the end of September. Guest of honor, Melanie Onn MP for Great Grimsby, unveiled a plaque at the site, as part of the official opening ceremony. Constructed by local firm Hobson and Porter, the site is now the world’s largest offshore wind O&M center which recently benefitted from a €10 million investment in its quayside and office facilities. The site has an innovative Marine and Helicopter Co-ordination Centre (MHCC), whose staff works 24/7 on the liaison of personnel, vessels and helicopters visiting projects currently under construction. The East Coast Hub directly manages four offshore wind farms, including Westermost Rough, Lincs, Race Bank and Gunfleet Sands. The Hornsea Project One and Hornsea Project Two, currently under construction, will be joining the East Coast portfolio in 2020 and 2022 respectively.

O&M

GE HALIADE X- 12MW STANDS COMPLETE IN MAASVLAKTE The third and final 107m blade was installed on the prototype GE Haliade-X 12MW offshore wind turbine in Maasvlakte, the Port of Rotterdam, in mid-October. The first blade was installed on the Haliade-X 12MW turbine located at Sif’s Maasvlakte 2 terminal on 14 October, with the second piece following the day later. LM Wind Power manufactured the 107m blades, the world’s largest, at its plant in Cherbourg, France. GE Renewable Energy decided to install the Haliade-X 12MW onshore to facilitate access for testing. It is expected to allow the collection of data during the initial period of operations which is necessary to obtain the Type Certificate in 2020 and ship first commercial units in 2021.

Turbines

GERMANS AND DUTCH INK CROSSBORDER OFFSHORE WIND DEAL Germany and the Netherlands have signed a Joint Declaration of Intent on the energy transition, which includes cooperation on the development of cross-border offshore wind projects. Germany’s Federal Ministry for Economic Affairs and Energy and the Dutch Ministry of Economic Affairs and Climate Policy signed the agreement on 2 October in Berlin. The parties said they see great potential in the development of offshore wind projects and infrastructure in the North Seas region to accelerate the deployment of renewable energy. Within the context of the North Seas Energy Cooperation, several exemplary crossborder projects have been identified where a more detailed assessment and greater cooperation could be beneficial. The two countries will continue looking at these projects and intend to jointly assess how they, and other projects, could contribute to further market integration and future sector coupling. Associations & Governments

Offshore WIND | NO. 04 2019

OFFSHOREBREEZES

GOLDWIND REVEALS PROTOTYPE 8MW TURBINE Goldwind has launched its prototype 8MW offshore wind turbine at its facility in Fujian, China. Based on the complete test and certification, the turbine will conduct a two-month drive train test at Goldwind’s Fujian test platform. The 8MW turbine has a rotor diameter of 168m and is applicable to wind class IEC I. It will be installed at the Xinghua Bay Project Phase II offshore wind project by the end of 2019.

Turbines

MHI VESTAS TO TEST GIANT NACELLES AT LORC MHI Vestas will use Lindø Offshore Renewables Center’s (LORC) new nacelle testing facility to carry out a significant portion of future testing and validation activities. Once operational in early 2021, the facility will be able to accommodate nacelles with a capacity of up to 22MW, and is reaching out to the industry segment for the largest offshore wind turbines, expected to be introduced on the market between 2022-2028. Construction work on the facility’s foundation started over the summer. The foundation is expected to be completed in February of 2020, after which a 2,250m² test hall will be built with a span of over 22m from floor to ceiling. The construction has been made possible through a collaborative funding initiative between the Danish Green Investment Fund, the Danish state’s investment fund (Vækstfonden), EKFDenmark’s Export Credit Agency, and Nordea, as well as the support of the Danish Ministry of Finance and the Danish Ministry of Climate, Energy and Utilities.

R&D

Offshore WIND | NO. 04 2019

SIEMENS GAMESA MOTHBALLS NACELLE PLANT Siemens Gamesa is planning to pause the manufacturing of offshore nacelles at its plant in Brande, Denmark, citing delays in offshore wind projects as the reason. This, combined with the discontinuation of the production of the onshore Direct Drive (DD) technology in Brande and onshore blade production in Aalborg, could potentially lead to the lay off of up to 600 employees in Denmark. Offshore nacelle production at the Brande plant will hibernate during FY20 and will be resumed in the fall of 2020. The production of blades in Aalborg, along with the development, prototyping and testing of new blades, will resume normally. The decision to discontinue the production of onshore Direct Drive (DD) technology in Brande and onshore blade production in Aalborg is part of Siemens Gamesa’s three-year strategic plan, with the L3AD2020 program, which includes a series of measures that will unlock €2 billion of cost reductions. Once negotiations with the local workers’ council are completed, information on the final agreements will be communicated. Business & Finance

CFD ROUND 3 PROJECTS SIGN CONTRACTS

GERMANS INVESTIGATING OFFSHORE WIND ZONES

The Low Carbon Contracts Company (LCCC) has revealed that all projects that secured Contracts for Difference (CfD) in the UK’s third allocation round have signed their contracts. In total, six offshore wind projects with a combined capacity of 5,466MW were selected in the CfD Allocation Round 3, with the strike prices ranging from £39.65/ MWh to £41.61/MWh. The awarded projects are the 1,200MW Doggerbank Creyke Beck A P1, the 1,200MW Doggerbank Creyke Beck B P1, the 1,200MW Doggerbank Teeside A P1, the 12MW Forthwind, the 454MW Seagreen Phase 1, and the 1,400MW Sophia Phase 1. In the short term, projects must pass their Initial Conditions Precedent within 10 working days, which marks the first step towards the construction and operation in the mid-2020s.

Germany’s Federal Maritime and Hydrographic Agency (BSH) is launching the next round of preliminary investigations on two offshore wind farm areas in the North Sea. The two areas, N-6.6 and N-6.7, are located some 100km northwest of the island of Borkum. The N-6.6 area is expected to support turbines with a capacity of 630MW, and the area N-6.7 will support a wind farm with a capacity of 270MW. If deemed suitable, the areas will be tendered in 2024 and put into operation in 2029. Over the next few years, BSH will commission and partly carry out investigations into the marine environment and the subsoil, wind, waves, and other oceanographic parameters at these sites. On the basis of the results of the investigations, BSH will determine if the areas are suitable for the construction of offshore wind farms and pass on the information to Germany’s Federal Network Agency.

Tenders

R&D

TENNET CONTRACTS NKT FOR CABLE JOINTS

TenneT has awarded NKT with a three-year service agreement contract covering the cable jointing part of a larger offshore service agreement. The contract covers the cable jointing work for seven power cable systems and includes a tailored preparedness plan designed by NKT to ensure minimum downtime in case of damages to the high-voltage power cables, which originally were manufactured by NKT. In total, the seven TenneT power cable systems covered by the service agreement deliver more than 3,000MW of power. NKT said that the agreement supports the company’s strategic focus to grow its service business as the industry attention for power cable service is expected to increase in the years ahead. Cables & Grids

Offshore WIND | NO. 04 2019

OFFSHOREBREEZES

ØRSTED TARGETS LADDER-LESS ACCESS SYSTEM WITH PICT OFFSHORE BUY Ørsted has acquired a 22.5% share in the Scotland-based Pict Offshore with an aim to mature a new ladder-less access system for the offshore wind sector. The Get Up Safe (GUS) system is a motion-compensated hoist solution that enables technicians to transfer between small moving vessels and turbines without turbine boat landing and ladders. Using the technology means technicians no longer have to step from a moving boat onto a ladder and then climb to reach the base of the turbine, but instead they can clip onto the system and be hoisted up to the turbine base directly from the boat. The hoist automatically adjusts the line position to take account of the boat movements so that in periods of high and varying wave heights there is no danger of collision between the technician and the boat. Pict Offshore, a spin-off from height safety innovator Limpet Technology, began developing the product in 2016, and from 2017, prototypes of the system were tested at the ORE Catapult’s Levenmouth Demonstration Turbine. The technology is now patent-protected and in the final stages of development.

Business & Finance

DENMARK KICKS OFF OPEN-DOOR OFFSHORE WIND TENDER The Danish Energy Agency (DEA) has launched a technology-neutral tender calling for bids for the development of open-door offshore wind, onshore wind and solar PV power. In this year’s tendering scheme, DKK 258 million (circa €34.56 million) is allocated, with the support to be given as a fixed price supplement on top of the electricity price for 20 years. The application must include a description of the project, anticipated scope of preliminary investigations, size and number of turbines, and the limits of the project’s geographical siting. Projects applying must be at a late development stage before participating in the tender and must be connected to the grid within two or four years after contract signing, depending on whether it is an offshore or onshore installation. The deadline for submitting applications is 27 November. Tenders

HALIADE-X 12MW FOR ØRSTED’S US PROJECTS Ørsted has selected GE Renewable Energy as the preferred turbine supplier for two of its U.S. offshore wind farms which marks the world’s first commercial deployment of the Haliade-X 12MW turbine. Subject to final agreed and signed contract and all required project approvals, Ørsted will deploy the turbines on the 1,100MW Ocean Wind off the coast of New Jersey and the 120MW Skipjack off the coast of Maryland. The wind farms are expected to be commissioned in 2024 and 2022, respectively. Following the Block Island Wind Farm, America’s first offshore wind farm, Skipjack and Ocean Wind will be Ørsted’s second and third offshore wind farms to deploy turbines from GE.

Turbines

Offshore WIND | NO. 04 2019

SIEMENS GAMESA BUILDING LARGEST-EVER BLADE TEST STAND Siemens Gamesa has begun the construction of the world’s largest wind turbine blade test stand in Aalborg, Denmark. The new facility will be capable of performing full-scale tests on the next generations of Siemens Gamesa rotor blades and is expected to be fully operational before the end of the year. The structure will have more steel rebar reinforcement per square meter than a turbine foundation so that it has the capability to accelerate the test and prove full reliability over the lifetime of the blade in the shortest possible time, while respecting IEC regulations.

TRACTEBEL UNVEILS HYDROGEN-PRODUCING PLATFORM Tractebel is developing a concept for an offshore platform which makes it possible to produce hydrogen from offshore wind at an industrial scale using electrolysis. Delivering up to 400MW, this kind of plant exceeds the output of previous technologies many times over and it could already be put into practice today. The offshore platform can enable a number of tasks to be solved simultaneously. The proportion of “green” hydrogen (H2) in the energy mix can be increased on a CO2neutral basis. In addition, the wide range of options for transporting H2 provides relief for the electricity transmission grid, the capacities of which are limited. In large-scale offshore wind farms, Tractebel sees enormous potential for CO2-neutral production of “green” hydrogen. The team is now working on a solution for the use of the platform at an industrial scale.

R&D

Technology

JOINT-VENTURE FOR EXPORT CABLE LANDFALL SOLUTIONS C-Ventus Offshore Windfarm Services and Gebr. Van Leeuwen have established VLCV BV, a joint-venture for export cable landfall solutions. Combining directional drilling and cable installation expertise, C-Ventus and Van Leeuwen have developed a trenchless technology for installing export cables in the nearshore surf-zone. Steel or HDPE casings are utilized depending on project-site specific composition and the export cable is installed through this guidepipe underneath the challenging nearshore area. The first project whereby the trenchless technology is used is expected to be completed in Q4 of this year. Business & finance

Offshore WIND | NO. 04 2019

NG-20000X SELF-PROPELLED INSTALLATION JACK-UP WITH TELESCOPIC LEG CRANE

THE RIGHT CAPACITY AT THE RIGHT HEIGHT

GustoMSC is a reputable design & engineering company of mobile offshore units and equipment. In close cooperation with our clients, we translate experience, science and technical knowledge into realistic & innovative ideas. In this way, GustoMSC enables and supports safe and efficient operations at sea, contributing to a sustainable future.

Come meet us at WindEurope Offshore! Copenhagen, 26 – 28 Nov. 2019 You will find us at stand C2-B6 www.gustomsc.com

THE PIONEERS OF OFFSHORE ENGINEERING

check out the online wind farm updates on www.OffshoreWIND.biz

WINDFARMUPDATES

PARK CITY WIND CAPACITY

UP TO 1.2GW

TURBINES UNKNOWN FOUNDATIONS UNKNOWN SUBSTATION UNKNOWN Vineyard Wind has revealed the plans to transform Bridgeport in Connecticut into an offshore wind hub and the O&M home for the lifetime of its proposed Park City Wind project. The company plans to partner with McAllister Towing and Transportation Co. to redevelop the 18.3ha Barnum Landing waterfront industrial property, which will host local workers for transition piece steel fabrication and final outfitting. The U.S. developer also formed a partnership with Marmon Utility for the establishment

USA

of manufacturing capabilities at Marmont’s Connecticut facility producing Kerite cables to supply some or all of the inter-array cable cores for the project.

COASTAL VIRGINIA OFFSHORE WIND (CVOW)

Dominion Energy has received two key determinations from the U.S. Bureau of Ocean Energy Management (BOEM) regarding the design, fabrication and installation of the Coastal Virginia Offshore Wind (CVOW)

CAPACITY

12MW

TURBINES

project. Dominion submitted its Facility Design Report (FDR) and Fabrication and Installation Report (FIR) in partnership with Ørsted, the developer contracted for CVOW, and Siemens Gamesa, which is

FOUNDATIONS MONOPILES

manufacturing the two 6MW turbines to be installed next year 27 miles

SUBSTATION

the two filings with a no objection determination. The FDR details the

off the Virginia Beach coast. BOEM has reviewed and responded to design of all the major components of the offshore wind project, while the FIR describes the fabrication and installation plans of the equipment. The decision from BOEM is a necessary approval to move forward with offshore construction, which is on track for the summer of 2020.

Offshore WIND | NO. 04 2019

WINDFARMUPDATES HORNSEA PROJECT ONE CAPACITY

1.2GW

TURBINES

174

FOUNDATIONS MONOPILES SUBSTATION

3 + RCS

The final Siemens Gamesa 7MW wind turbine has been installed at the 1,218MW Hornsea Project One offshore wind farm located 120km off Yorkshire, UK. The final unit completes the 174-strong array of turbines dotted over 407km² of the North Sea. Now as the final turbine is installed, the project will undergo a period of commissioning, and will be officially

inaugurated in 2020 as the world’s largest offshore wind farm. Once complete, Hornsea Project One will be able to generate over 1GW of electricity – enough to power well over one million UK homes.

DUBLIN ARRAY CAPACITY

600MW

TURBINES

UP TO 100

IRL

FOUNDATIONS UNKNOWN SUBSTATION 1 Innogy has filed an application for further seabed surveys and the installation of buoy mounted equipment at the Dublin Array offshore wind project. Innogy applied to the Department of Housing, Planning and Local Government in September for a license under the Foreshore Act to

enable the project to undertake further surveys and to install equipment to provide data on weather and sea conditions. The collected information will be used to progress the engineering design and to inform the ongoing environmental assessments required as part of the consent process. Consent of this Foreshore license will enable innogy to

WESTERMOST ROUGH

continue with the development of the project, while the company plans to submit an application for the planning consent in 2021. Dublin Array is being developed on the Kish and Bray Banks in the Irish Sea at a project site located 10km offshore. The project, owned by innogy and Saorgus Energy, has a potential capacity of at least 600MW.

CAPACITY

210MW

TURBINES

FOUNDATIONS MONOPILES SUBSTATION 1 Rotos 360 and Siemens Gamesa have completed an internal blade repair campaign at the offshore wind farm in the UK. Rotos 360 provided the wind farm with a full turnkey solution, which included labor and vessel supply, full inspection and repairs, as well as a follow-up analysis. The UK-based company, part of James Fisher and Sons, carried out 38 internal blade repairs during the six-month project. The 210MW Westermost Rough offshore wind farm, located approximately 8km off the East coast of Yorkshire near Withernsea, features 35 Siemens Gamesa 6MW turbines which have been fully operational since 2015.

Offshore WIND | NO. 04 2019

DOGGER BANK CAPACITY

3.6GW

TURBINES

UNKNOWN

FOUNDATIONS UNKNOWN SUBSTATION UNKNOWN Jan De Nul’s new offshore jack-up installation vessel Voltaire will have its debut on the 3.6GW Dogger Bank offshore wind farm. Voltaire will transport and install the world’s largest offshore wind turbines, GE’s Haliade-X 12 MW, at Dogger Bank. This is the first contract placed for Voltaire, which will enter into service in 2022. Dogger Bank Wind Farms secured 3.6GW of offshore wind contracts in the UK Government’s third contracts for difference auction. The overall wind farm comprises three 1.2GW projects located approximately 130km from the Yorkshire Coast. The project is now moving towards the final investment decision, expected in 2020. SSE Renewables will lead the development and construction phases of Dogger Bank Wind Farms and © Jan De Nul

Equinor will lead on operations.

HORNSEA PROJECT THREE CAPACITY

2.4GW

TURBINES

UP TO 300

FOUNDATIONS UNKNOWN

SUBSTATION UNKNOWN

The UK Secretary of State for Business, Energy and Industrial Strategy (BEIS) has postponed the decision deadline for the Hornsea Three development consent order application until 31 March 2020. The decision deadline was postponed from 2 October to allow for additional information and comments to be submitted related to two late representations on ornithological matters. Ørsted has been requested to submit, in consultation with the Marine Management Organisation, an updated In Principle Southern North Sea Special Area of Conservation Site Integrity Plan; and to provide further

EAST ANGLIA ONE CAPACITY 714MW TURBINES 102

information and representations on impacts from cable rock protection on the subtidal sand features of the two Marine Conservation Zones, Cromer Shoal Chalk Beds Marine Conservation Zone, and Markham’s Triangle. Responses on the information requested and the two representations are to be submitted by 31 December 2019, after which the Secretary of State will have three months to make the decision on the development consent order application.

FOUNDATIONS JACKETS SUBSTATIONS 1 The 714MW East Anglia One offshore wind farm, a joint venture of ScottishPower Renewables and Green Investment Group, generated its first power in midOctober. The first of the 102 Siemens Gamesa 7MW turbines to begin generating power and delivering it to the onshore substation at Burstall, near Bramford, is known as WTG E19, and is located over 43km from the coast of Lowestoft. Engineers are commissioning further turbines and more power will come online at regular intervals. All of the turbines will be installed and operational in 2020. Each of East Anglia One’s turbines are being pre-assembled and loaded out from Peel Ports Great Yarmouth to the

wind farm site. The power generated from the turbines is then transferred via underground cables from the wind farm to the onshore substation.

Offshore WIND | NO. 04 2019

WINDFARMUPDATES

BORSSELE 1&2 CAPACITY

752MW

TURBINES

FOUNDATIONS MONOPILES SUBSTATION

Ørsted has signed a contract with CWind for the delivery of a hybridpowered Surface Effect Ship (SES) for the Borssele 1 & 2 offshore wind project. The hybrid SES crew transfer vessel (CTV) will be operating from the Dutch port of Vlissingen to the Borssele 1 & 2 site located 23km from the coast in the North Sea. The agreement covers an initial three-year firm charter with options available for a further two years. The Hybrid SES CTV was developed in partnership with the Norwegian ESNA and will be built by the UK Wight Shipyard Company. Delivery is expected by mid-2020. Borssele 1 & 2 will comprise 94 Siemens Gamesa 8MW turbines with a combined capacity of 752MW. Commissioning is scheduled for the end of 2020.

NORTHER CAPACITY

370MW

Engie has signed an agreement with Google to sell 92MW of energy produced by the Norther

TURBINES

represents the first time the technology giant buys power from an offshore wind farm and is part

FOUNDATIONS MONOPILES SUBSTATION

Offshore WIND | NO. 04 2019

offshore wind farm which it will use to power its data center in Saint-Ghislain. The deal of Google’s 1.6GW-purchase of renewable energy, which is said to mark the biggest corporate purchase of its kind in history. Norther comprises 44 MHI Vestas 8.4MW turbines located some 23km offshore Zeebrugge. The 370MW offshore wind farm delivered first power to the Belgian grid at the end of February.

NORDSEE OST CAPACITY

295MW

TURBINES

FOUNDATIONS JACKETS SUBSTATION

Innogy and RWE Supply & Trading have signed a power purchase agreement (PPA) with Deutsche Bahn (German Rail – DB) for the supply of electricity from the Nordsee Ost offshore wind farm. The supplied volume comprises 25MW, which is the equivalent of four turbines, representing 8% of the total production of the 295MW offshore wind farm. This contract, which marks the first offshore wind Corporate PPA in Germany, will begin in 2024 and will run for five years. The power is produced at the offshore wind farm for a fixed price and is used directly by Deutsche Bahn. RWE Supply & Trading acts as the contract and retail partner. Nordsee Ost comprises 48 Senvion 6.2M126 turbines located approximately 35km north of the island of Heligoland in the German North Sea. The wind farm was fully commissioned in May 2015.

GE DEUTSCHE BUCHT CAPACITY 269MW TURBINES

WINDPARK FRYSLÂN

31 + 2

FOUNDATIONS MONOPILES + MONO BUCKETS

CAPACITY

382.7MW

TURBINES

SUBSTATIONS 1

FOUNDATIONS MONOPILES

All 31 monopile foundation wind turbines were commissioned at the Deutsche

SUBSTATION

the 31 MHI Vestas 8.4MW turbines began in early June, with all the planned work

Bucht offshore wind farm at the end of September. The commissioning phase of said to have been completed ahead of schedule. As reported, the 31 monopile

EEW Special Pipe Constructions GmbH has received an order from Van Oord for the production of 89 monopiles for the 382.7MW Windpark Fryslân nearshore wind farm in the Netherlands. In total, EEW SPC will process over 19,000t of steel for this order between

foundation wind turbines were installed at the project site in the German North Sea at the end of August. The installation and cabling for the wind farm’s remaining two turbines which will be installed on mono bucket foundations are planned for the fourth quarter of 2019. The 269MW Deutsche Bucht offshore wind farm, which delivered first power to the German grid at the end of July, is expected to be operational by the end of the year.

January 2020 and September 2020. Located in the IJsselmeer (Lake Ijssel) some 6km off the Frisian coast, the nearshore wind farm is being built by Zuiderzeewind, a consortium of Van Oord and Siemens Gamesa. The monopiles will support the wind farm’s 89 Siemens Gamesa 4.3MW turbines which are expected to be commissioned in 2021. Following the expected commissioning, Siemens Gamesa will be responsible for the maintenance of the wind farm for a period of 16 years.

Offshore WIND | NO. 04 2019

WINDFARMUPDATES

GROIX & BELLE-ÎLE FR CAPACITY

24MW

TURBINES

FOUNDATIONS FLOATING SUBSTATIONS 0

MHI Vestas Offshore Wind has been selected as the preferred supplier for the Groix & Belle-Île floating offshore wind project in France. MHI Vestas will provide its 9.5MW units, which means that the number of offshore wind turbines at the demonstration project will be reduced from four to three. The deal also brought to the signature of the ADEME financing agreement, which lays out the conditions for the state support allocated to the pilot project. Most recently, an environmental impact survey was carried out at the project site in the South of Brittany as part of the APPEAL collaborative R&D project.

The first WindFloat Atlantic turbine has arrived at its final destination off the coast of Viana do Castelo in Portugal.

SAINT-NAZAIRE

The fully assembled platform and its 8.4MW MHI Vestas turbine set off from the Spanish Port of Ferrol towards its final destination 20km off the coast of Viana do Castelo on 21 October. In the coming months, two other platforms will be added to complete the wind farm which, with its 25MW installed capacity, will be able to generate enough energy to supply the equivalent of 60,000 users

CAPACITY

480MW

TURBINES

FOUNDATIONS MONOPILES SUBSTATIONS 1

each year. The three floating structures – stretching 30m in height and with a 50m distance between each one of their columns – will form the first floating wind farm in continental Europe. The project is led by the Windplus consortium, comprising EDP Renewables (54.4%), Engie (25%), Repsol (19.4%), and Principle Power (1.2%).

GE Renewable Energy has begun the production of turbines for the SaintNazaire offshore wind project in France. The company is in charge of providing 80 Haliade 150-6MW turbines for the project. The Haliade unit destined for the 480MW French wind farm was tested onshore at the Østerild test center in Denmark. The nacelle assembly is expected to begin in the second quarter of 2020, with installation and commissioning scheduled for 2022. The Saint-Nazaire offshore wind farm will be located between 12km and 20km off the coast of the Guerande peninsula in western France. The 480MW project is being developed by Eolien Maritime France (EMF), a consortium of EDF Renouvelables and Enbridge.

Offshore WIND | NO. 04 2019

500MW FLOATING WIND FARM

WindPower Korea, EDP Renewables, and Aker Solutions have formed a consortium with the ambition to develop an initial 500MW floating wind farm off the coast of Ulsan Metropolitan

CAPACITY

500MW

TURBINES

UNKNOWN

City in South Korea. The consortium was formed as EDP Renewables and Aker Solutions have invested in the development company Korea Floating Wind Power (KFWind), joining the founding shareholder WindPower Korea. Principle Power, which had a role in originating the KFWind project

FOUNDATIONS FLOATING

portfolio, will supply its WindFloat foundation technology for the project.EDP Renewables and

SUBSTATION

which remains a minority shareholder, and from Principle Power, which will exit the shareholding

UNKNOWN

Aker Solutions acquired a significant stake in KFWind from WindPower Korea, a project developer to focus on growing its core technology and services business in the Korean market.

GREATER CHANGHUA 1 AND 2A CAPACITY

900MW

TURBINES

111

KOR

FOUNDATIONS JACKETS SUBSTATION

Van Oord has been awarded the contract by Ørsted for the cable installation works at the Greater Changhua 1 & 2a offshore wind farms in Taiwan, which will be located between 35 and 60km off the west coast of Changhua County. Van Oord is responsible for the transportation, installation, and burial of the 111 inter-array cables, with a total length of approximately 135km, and the three export cables, with a total length of approximately 145km. The

company will deploy its cable-laying vessel Nexus, equipped with a cable carousel with a

FORMOSA 1 PHASE 2

capacity of 5,000t. Van Oord’s trencher Dig-It will bury the cables to the required depth. The installation work starts in 2021. The Greater Changhua 1 & 2a wind farms will be the first cable project in Taiwan for Van Oord. The projects will be constructed in 2021 and 2022.

TWN

CAPACITY

120MW

TURBINES

FOUNDATIONS MONOPILES SUBSTATION

All 20 Siemens Gamesa 6MW turbines were

FORMOSA 2

installed at the Formosa 1 Phase 2 offshore wind project in Taiwan at the beginning of

CAPACITY 376MW

October. To remind, jack-up vessel Seajacks

TURBINES 47

site 6km off the west coast of the Miaoli district

FOUNDATIONS JACKETS SUBSTATION 0

Zaratan installed the first turbine at the project in the Taiwan Strait in July. Prior to commercial operation, each turbine goes through a power generation test which takes 10 to 14 days to complete. Formosa 1 Phase 2, which is an

JERA is set to acquire a 49% equity interest in the Formosa 2 offshore wind farm in

extension of the existing two-turbine Formosa

Taiwan, the Japanese utility revealed shortly after it had secured joint control over the

1 Phase 1 project, generated first power in

project with Macquarie and Swancor. Macquarie will hold a 26% stake and Swancor

September. Full commissioning is expected by

will hold 25% of the 376MW wind project located offshore Miaoli County in the Taiwan

the end of the year.

Strait. The Commission concluded that the proposed acquisition would raise no competition concerns as Formosa 2 has no activity within the European Economic Area. The transaction is said to have been examined under the simplified merger review procedure. Formosa 2 will comprise 47 Siemens Gamesa 8.0 – 167 turbines located 4km offshore Miaoli County in the Taiwan Strait. The 376MW project will be Taiwan’s largest offshore wind farm once commissioned in late 2021.

Offshore WIND | NO. 04 2019

BUSINESSDIRECTORY

Contractors

Cables & Components

OIL CONTROL SYSTEMS Vlotlaan 232 2681 TV Monster The Netherlands T +31 17 42 81 67 5 info@oilcontrolsystems.nl www.oilcontrolsystems.nl

VBMS P.O. Box 282 3350 AG Papendrecht The Netherlands T +31 78 641 7500 E info@vbms.com

JAN DE NUL GROUP 34-36 Parc d’activités Capellen 8308 Capellen Luxembourg T +35 23 98 91 1 info@jandenulgroup.com www.jandenul.com

NGC TRANSMISSION Nanjing High Speed Gear Manufacturing 30 Houjiao Road Jiangning District, Nanjing, China T +86 25 5217 2849 sales@NGCtransmission.com www.ngctransmission.com

GEOSEA NV Haven 1025 – Scheldedijk 30 2070 Zwijndrecht Belgium T +32 32 50 52 11 Info.geosea@deme-group.com www.deme-group.com/geosea

SWAN HUNTER (NE) LTD. Station Road, Wallsend, NE28 6EQ United Kingdom T +44 (0) 19 12 95 02 95 info@swanhunter.com www. swanhunter.com Finance

Consultancy & Inspections

VERWEIJ HOEBEE GROEP Marine Surveyors and Consulting Engineers Osdorper Ban 17 BC 1068 LD Amsterdam The Netherlands T +31 (0) 20 61 07 26 0 info@verweij-hoebee.nl www.verweij-hoebee.nl

GUSTOMSC BV Karel Doormanweg 35 3115 JD Schiedam T +31 (0)10 28 83 00 0 info@gustomsc.com www.gustomsc.com

Installation Vessels

Offshore WIND | NO. 04 2019

BALTIC TAUCHEREIUND BERGUNGSBETRIEB ROSTOCK GMBH Alter Hafen Sud 3 18069 Rostock Germany T +49 39 18 11 10 00 info@baltic-taucher.de www.baltic-tacher.de

ING BANK N.V. Bijlmerplein 888 P.O. Box 1800 1000 BV Amsterdam The Netherlands T +31 (0)20 56 51 02 4 steven.evans@ingbank.com www.ingwb.com

HSE & Training

Engineering Companies

Contractors

C-VENTUS OFFSHORE WINDFARM SERVICES BV Havenkade 100a 1973 AM IJmuiden The Netherlands T +31 25 58 20 02 0 E-mail: info@c-ventus.com

Diving Operations

LONDON OFFSHORE CONSULTANTS LIMITED Ibex House 42-47 Minories London EC3N 1DY United Kingdom T +44 20 72 64 32 50 london@loc-group.com www.loc-group.com

VAN OORD OFFSHORE WIND PROJECTS BV P.O. Box 458 4200 AL Gorinchem The Netherlands T +31 88 82 65 20 0 area.owp@vanoord.com www.vanoord.com

DELTA LLOYD Postbus 1000, 1000 BA Amsterdam The Netherlands T +31 (0) 61 06 23 93 1 willem_schrijver@deltalloyd.nl www.deltalloyd.com

STC-KNRM Quarantaineweg 98 3089 KP Rotterdam – Heijplaat T +31 (0) 10 42 83 86 0 info@stc-knrm.nl www.stc-knrm.nl

A2SEA A/S Kongens Kvarter 51 7000 Fredericia Denmark T +45 75 92 82 11 a2sea@a2sea.com www.a2sea.com

Suppliers

MPI OFFSHORE Resolution House 18 Ellerbeck Court Stokesley Business Park Stokesley North Yorkshire TS9 5PT United Kingdom T +44 16 42 74 22 00 info@mpi-offshore.com www.mpi-offshore.com

Port & Logistics

SEAFOX P.O. Box 799 2130 AT Hoofddorp The Netherlands T +31 (0)23 55 41 31 3 info@seafox.com

TOS - ENERGY & MARITIME MANPOWER Waalhaven O.Z. 77 3087 BM Rotterdam The Netherlands T +31 10 43 66 39 3 info@tos.nl www.tos.nl

HOLLAND HYDRAULICS B.V. Binnenhavenstraat 14 7553 GJ Hengelo The Netherlands T +31 (0)74 291 78 48 info@holland-hydraulics.nl www.holland-hydraulics.nl

SCHOTTEL GMBH Mainzer Straße 99 56322 Spay Germany +49 / 26 28 / 61 - 0 +49 / 26 28 / 61 - 3 00 info@schottel.de

AYOP Het Havengebouw De Ruijterkade 7 (13e etage) 1013 AA Amsterdam The Netherlands T +31 (0) 20 62 73 70 6 info@ayop.com

Lifting Equipment

www.seajacks.com

PROTEA SP. Z O.O. Galaktyczna 30A 80-299 Gdansk Poland T +48 58 34 80 00 4 protea@protea.pl www.protea.pl

DAMEN SHIPYARDS GROUP P.O. Box 1 4200 AA Gorinchem The Netherlands T +31 18 36 39 91 1 info@damen.com www.damen.com

HUBEL MARINE B.V. Karel Doornmanweg 5 3115 JD Schiedam The Netherlands T +31 10 45 87 33 8 info@hubelmarine.com www.hubelmarine.com

Towers, Foundations, Substations

Personnel Services

IPS POWERFUL PEOPLE Rivium Boulevard 101 2909 LK Capelle aan den IJssel The Netherlands P +31 (0)88 447 94 85 M +31 (0)6 15 088 257 H.vanBurk@ipspowerfulpeople.com www.ipspowerfulpeople.com

Ship Builders

Offshore

ELA CONTAINER OFFSHORE GMBH Zeppelinstraße 19 - 21 49733 Haren (Ems) Germany T +49 5932 7323 - 500 info@ela-offshore.com www.ela-offshore.com

BLUE OFFSHORE Laan van Nieuw Oost-Indië 191 2593 BN The Hague The Netherlands T: +31 70 711 3774 info@blueoffshore.com www.blueoffshore.com

NV PORT OF DEN HELDER Postbus 4058 1780 HB Den Helder T +31 (0) 22 36 18 48 1 www.portofdenhelder.eu

EEW SPECIAL PIPE CONTRUCTIONS GMBH Am Eisenwerk 1 18147 Rostock Germany T + 49 38 18 17 16 0 info@eewspc.de www.eewspc.de

SMULDERS Hoge Mauw 200 2370 Arendonk – Belgium info@smuldersgroup.com www.smulders.com

Offshore WIND | NO. 04 2019

LIVE by providing a sustainable future Van Oord has completed several prominent offshore wind projects as a contractor. How? With great teamwork, specialised knowledge and the highest quality equipment. Get ready for more sustainable living.

Watch our offshore wind project videos vanoord.com/wind

2020

WindEurope Offshore 26 - 28 November Conference & Exhibition Copenhagen, Denmark www.windeurope.org/offshore2019

Subsea expo 11 - 13 February Conference & Exhibition Aberdeen, United Kingdom www.subseaexpo.com

Floating Offshore Wind November - TBD Conference & Exhibition United Kingdom www.events.newenergyupdate.com/ floating-wind

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WE’RE AT HOME ON THE SEVEN SEAS. Delivering the foundations for better energy. Worldwide. EEW Special Pipe Constructions GmbH

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Components for Your Equipment.

A strong partner for the wind industry Liebherr Components offers efficient solutions for different requirements. For over 15 years, Liebherr slewing bearings and gearboxes have proven themselves in pitch and yaw adjustment systems in on- and offshore installations. Extensive engineering services and intelligent system solutions, like an integrated lubricant supply, round off the offer by Liebherr.

Liebherr-Components AG Post box 222 5415 Nussbaumen AG, Switzerland Phone: +41 56 296 43 00 E-Mail: info.cos@liebherr.com components.liebherr.com

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