KALLA GROUP PROJECT PROFILE

Greening the Future: Sustainable Power through Hydropower

KALLA GROUP HYDROPOWER PROJECT PROFILE

POSO HEPP 515 MW

Poso – Central Sulawesi

POSO-3 HEPP 400 MW

Poso – Central Sulawesi

POSO-4 HEPP 30 MW

Poso – Central Sulawesi

MALEA HEPP 90 MW

Tana Toraja – South Sulawesi

KERINCI HEPP 350 MW

Kerinci - Jambi

TUMBUAN MAMUJU ATAS HEPP 90 MW

Mamuju – West Sulawesi

TUMBUAN MAMUJU BAWAH HEPP 360 MW

Mamuju – West Sulawesi

We are dedicated to harnessing the timeless power of water to propel us into a sustainable era, ensuring that every drop contributes to a greener and more resilient tomorrow.

MAP OF PROJECTS 515

KERINCI HEPP

350

TUMBUAN MAMUJU ATAS HEPP

MW

Poso Regency The Heart of Sulawesi

POSO REGENCY is the main port and transportation hub for the north-eastern coast of Central Sulawesi, Indonesia. Its geographical 1˚24’S and 120˚45’E.

Poso is located exactly in the middle of province on the shore of Gulf of Tomini, right in the central part of Sulawesi Island. With the total of population of over 40.000, Poso is one of the biggest and the oldest in the province.

The central location of Poso has made it a stopover either from the north to the south, or from west to the east of Sulawesi. It is reason that the population of Poso consist of many different ethnicities, religions and backgrounds. People living in Poso spread from the coastal area to the highland, with sources of income are farming and fishing.

Poso can be reached by plane from Makassar or by car from many other big cities on Sulawesi, and is situated on the equator. It features tropical rain forest, seashore gardens and other natural scenery.

The tourism destinations in Poso are: Lake Poso, Saluopa waterfall, Sulewana water sliding, Lore Lindu national park, Lembah Bada tourism park, Pamona cave, Togean island, Nalera beach, Tomori bay sea park, Morowali nature sanctuary and many more exotics places.

Lake Poso Wonder Shore-Crystal Water

The town of Tentena is located at the northern end, the town of Pendolo is situated at the southern end of the lake, while a number of smaller villages dot the shore line of the lake. The lake drains into the Poso River at Tentena, which flows into the Molucca Sea at the town of Poso.

The lake contains various fish, including the eel Anguila marmorata which migrates between the lake and the sea, and 11 fish that are endemic to the lake, notably Buntingi ricefish, Gobies, and the halfbeak. There is also a large number of endemic Tylomelania freshwater snail in the lake, as well as several endemic Caridina shrimps and Parathelphusid crabs.

LAKE POSO located on Poso City Is indonesia’s third largest lake, stretchied 32 km long and 16 km wide. Its depth reaches up to 450 m. At average elevation of 511,3 meter above sea level, its surface area covers 36.200 hectares.

The lake is solitary ancient lake of tectonic origin. Its water is crystal clear, with no trace no sulphur, and negligible sediments; as result of having 1754,7 km2 water catchment area of almost all virgin jungle. With an average discharge of 139,9 m3 per second, its energy potential is enormous. From October to April, the edge of the water is covered with white sand, giving it the impression of seashore.

A park containing wild orchids is located near the village Bancea on the lake. As well the forests surrounding the lake still provide rare sightings of anoa and the babirusa, a ruminant pig. These two endangered species are among a number of wildlife species found only on the island of Sulawesi.

PT POSO ENERGY Independent Power Producer of Renewable Energy

PT POSO ENERGY, among its portfolio, owns 4 hydropower concessions in Poso River totaling 945 MW, consist of Poso HEPP Existing 195 MW had been constructed and is now operational, Poso extension stage-1 HEPP 120 MW, Poso extension stage-2 HEPP 200 MW, Poso-3 HEPP 400 MW and Poso-4 HEPP 30 MW. Throughout Indonesia, Kalla Group owns a total portfolio of over 1.835 MW.

PT Poso Energy was established by Kalla Group on May 31st 2005. This company is the investor, operator and caretaker of the Poso Hydroelectric Power Plant in cascade system of Poso River.

For the design, procurement and construction purpose, this company goes hand in hand with PT Bukaka Teknik Utama and began construction of Poso 2nd Cascade as Poso HEPP 195 MW on Poso River.

In 2007 PT Poso Energy sign of Power Purchase Agreement (PPA) with PLN for Poso HEPP 195 MW and finished the construction in 2012. This plant was interconnected with 275 kV transmission line from Plant to South Sulawesi Province. In 2012, This plant also was interconnected with 150 kV transmission line from Plant to Palu City, Central Sulawesi.

In 2015 Began construction of Poso 1st Cascade as Poso Extension Stage-1 HEPP 120 MW, and in November 2017 PT Poso Energy sign Power Purchase Agreement (PPA) with PLN for Poso HEPP 515 MW.

Hydropower Plant Development of Poso

POSO HEPP 515 MW

POSO E XISTING HE PP (3×65 MW)

Operation Since 2012

POSO E XTE NSIO N STAGE - 1 HE PP (4×30 MW)

Construction Period 2015 – 2019

POSO E XTE NSIO N STAGE - 2 HE PP (4×50 MW)

Construction Period 2017 – 2021

POSO-3 HEPP 400 MW

Phase: Feasibility Study

POSO-4 HEPP 30 MW

Phase: Feasibility Study

TRANSMISSION LINE 275 kV PAMONA -PALOPO

Operation Since 2012

30MW 275kV Poso Energy

POSO HEPP 515MW

POSO-3 HEPP 400MW

POSO-4 HEPP

POSO EXISTING HEPP

(3×65 MW)

Plant Capacity = 3x65 MW

Rated Net Head = 150,6 m

Design Discharge = 148 m3/sec

Energy Production = 633,00 GWh/year

Type of Turbine = Francis vertical

Rated Output = 66,66 MW

Rated Speed = 250 rpm

Runway Speed = 488 rpm

Rated Capacity = 72,2 MVA

Rated Voltage = 11 kV

POSO EXTENSION STAGE-1 HEPP (4×30

MW) DAM POSO-1

Regulator of Peaker Power and Flood Control

Plant Capacity = 4x30 MW

Net Head = 45,52 m

Design discharge = 299,6 m3/sec

Energy production = 388,00 GWh/year

Type of turbine = Francis vertical

Rated output = 30,90 MW

Rated speed = 187,5 rpm

Runway speed = 340 rpm

Rated capacity = 35,0 MVA

Rated voltage = 11 kV

POSO EXTENSION STAGE-2 HEPP (4×50

MW)

Plant Capacity = 4x50 MW

Rated head = 150,6 m

Design discharge = 151,6 m3/sec

Energy production = 648,00 GWh/tahun

Type of Turbine = Vertical Francis

Rated Output = 51,70 MW

Rated speed = 250 rpm

Runway speed = 420,9 rpm

Design discharge = 151,6 m3/sec

Type of generator = Synchronous, suspended/semi umbrella

Rated capacity = 58,8 MVA

Rated voltage = 11 kV

MALEA HEPP 90 MW

Tana Toraja Regency

TANA TORAJA REGENCY is located in South Sulawesi Province of Indonesia, and home to the Toraja ethnic group. It covers an area of 2.054,30 km2 and had a population of 221.081 at the 2010 Census and 280.794 at the 2020 Census. The local government seat is in Makale, while the center of Toraja culture is in Rantepao. Formerly, the Tana Toraja area covered a larger area, but in 2008 this was divided into two regencies, consisting of Tana Toraja with its capital at Makale and Toraja Utara (North Toraja) with its capital at Rantepao.

Tana Toraja is centrally placed in the island of Sulawesi, 300 km north of Makassar, the provincial capital of South Sulawesi. It lies between latitude of 2°-3° South and longitude 119°-120° East (center: 3°S 120°E). The total area of Tana Toraja is 2.054,30 km², about 4,4% of the total area of South Sulawesi province. The topography of Tana Toraja is mountainous; its minimum elevation is 150 m, while the maximum is 3.083 above the sea level.

The inhabitants of Tana Toraja are most dominated by the origin Tribe of Toraja and are predominantly Christian. However, there are numbers of people who embrace Islam and the beliefs of Animism, or can be called Aluk To Dolo. The Toraja people mostly live in valleys between high mountains and granite cliffs. This corresponds to the Toraja word derived from the coastal language "to" meaning people, and "riaja" which means the plateau.

Tana Toraja is 300 km north of Makassar and can be reached by plane from Sultan Hasanuddin airport to Toraja airport, and by car from other cities in Sulawesi. The popular tourism destination of Tana Toraja is Sangalla, which known today as Buntu Kalando Museum, village lying among the leafy bamboo trees at the foot of the hill, also the resting place of the seven kings of Sangalla Kingdoms and their families. There are also Kete’kesu village, sight seeing spot of Batutumonga, hot spring water of Makula, and many other traditional villages and sight seeing spots.

PT MALEA ENERGY

PT MALEA ENERGY is an Independent Power Producer of hydroelectric power plant with a capacity of 2x45 MW using tunnels as a headrace. This company is established on July 2nd 2009. The project is located in the village of Randanbatu, Makale, Tanatoraja, South Sulawesi. With the technological development nowadays the utilization of water resources increasingly diverse. River as abundant water resources in Indonesia became potential alternative for power plants. These are in line with fact that the demand for electricity continuously grow each year.

Saddang river in Tana Toraja has an average annual discharge of 129,9 m³/sec. Thus Saddang river became river with huge potential to generating electrical energy. In accordance with the vision and mission of PT Malea Energy, the selection of the construction site in eastern Indonesia aims to develop the region through infrastructure development and hydroelectricity.

MALEA HPP 90MW

Gross Head = 430 m

Plant Discharge = 26,0 m3/sec

Lenght of Waterway = 9.550 m

Annual Energy = 474 GWh/year

Saddang River

Headrace Tunnel

Surge chamber

Penstock tunnel

Powerhouse

Weir

Weir Headrace Tunnel

General Layout Malea Hydropower

KERINCI HEPP 350 MW

Kerinci Regency

KERINCI is a regency in Jambi province, on the island of Sumatra, Indonesia. The regency has an area of 3,448.90 km2. Kerinci Regency had a population of 229,495 at the 2010 Census, 234,912 at the 2015 Census and 250,259 at the 2020 Census. The regency seat is at Siulak. Kerinci is located 50 km from Jambi City, the capital of Jambi Province. Kerinci is known as tourism area of Jambi so it is often called as a piece of land from heaven.

The inhabitants of Kerinci is Kerinci tribe and their houses is called “Larik”. Larik consists of several rows of continuous tenements and is inhabited by several families who are still one descendant. The main source of the economy in Kerinci is from the agribusiness sector which includes agriculture, plantations, fisheries, and livestock. Whereas, industries that are found in Kerinci are tea, processed food and beverage, wood cutting and processing, and processed poultry.

Kerinci can be reached by plane to Sultan Thaha Saifuddin airport in Jambi and a 430 km road trip from Jambi to Kerinci by car. Kerinci has many popular tourism destination such as, Kerinci Mountains, Lake Kerinci, Telun Berasap waterfall, Semurup hot spring water, and many other destination.

PT KERINCI MERANGIN HIDRO

PT KERINCI MERANGIN HIDRO is Independent Power Producer of Kerinci Hydroelectric Power Plant 350 MW. This company is established on March 28th 2012. Kerinci Hydropower Plant is located in Kerinci Regency, Jambi Province, Indonesia. The roject is located 377 km away from Teluk Bayur Harbor, and about 400 km away from Jambi City, the capital city of Jambi Province. The Power Station is located between 2° 13 5.72 to 2° 11 26.4 South Latitude and 101° 40 18.54 to 101° 45 44.94 East Longitude. The plant will have a nominal value capacity of 350 MW.

The hydropower plant will utilize the discharge of the Merangin River and Kerinci Lake. The catchment area of 1353 km2 from the riverbed between Lake Kerinci and the dam located in the area with a remaining basin of 393 km2. The average discharge of the Merangin River is 59,4 m3/sec.

The electricity generated will be channeled through a 150 kV transmission line. A 150 kV line with a length of 2,5 km will be built from the power plant transfer center to the nearest transmission line of PLN Grid system in the area. The 150 kV power plant switch yard and associated transmission lines connected to PLN's 150 kV Electrical Grid System are designed and constructed to accommodate the power generated by Kerinci Hydropower Plant.

MALEA HPP 90MW

Gross Head = 430 m

Plant Discharge = 26,0 m3/sec

Lenght of Waterway = 9.550 m

Annual Energy = 474 GWh/year

Powerhouse

ACSC

Switchyard

Waterway

Intake Dam

General Layout

Kerinci Merangi Hydro

TUMBUAN MAMUJU HEPP 450 MW

Mamuju Regency

MAMUJU REGENCY is a regency of West Sulawesi province, Indonesia. The capital is at Karema in Mamuju, which is also the capital of West Sulawesi. The population of the regency was 336,879 at the 2010 Census, but it was substantially reduced by the creation of the new Central Mamuju Regency which was cut out of it in 2012. The reduced Mamuju Regency covers an area of 4.954,57km2 and had a population of 278,764 at the 2020 Census.

Mamuju Regency is located between Palu (Central Sulawesi) and Makassar (South Sulawesi). This district is an economic or cultural bridge between the cities of Palu and Makassar. Geographically, Mamuju is located on the western edge of Sulawesi Island. In the north there is Mamuju Bay and in the south there is Lebani Bay. Astronomically, the Mamuju area is between 2°8'24" South Latitude – 2°57'46" South Latitude and 118°45'26" East Longitude – 119°47'48" East Longitude.

and by car from other cities in Sulawesi. The city of Mamuju is flanked by chocolate-covered beaches and hills. A meandering hill along 500 kilometers after Barru Regency, South Sulawesi and a row of typical Mandar fishing boats add to the beautiful natural panorama. The popular tourism destination Bone Tangnga beach, Dungkait cave, Lebani waterfall and many other destination.

Mamuju Tumbuan

PT MAMUJU TUMBUAN ENERGY

PT MAMUJU TUMBUAN ENERGY is an Independent Power Producer of Tumbuan Mamuju Hydroelectric Power Plant with 450 MW total capacity of plant. This company is established on August 6th 2014. The power plant is a hydroelectric cascade system, consist of two power plants. The first cascade is Tumbuan Mamuju Atas HEPP 90 MW and the second is Tumbuan Mamuju Bawah HEPP 360 MW, with total capacity of both are 450 MW.

Tumbuan Mamuju Atas

HEPP 90MW

Tumbuan Mamuju Bawah

HEPP 360MW

Tumbuan Mamuju Atas

HEPP 90MW

General Layout

Tumbuan Mamuju Bawah

HEPP 360MW

Uro River

Betue River

Hydropower Plant Development of Mamuju

TUMBUAN MAMUJU BAWAH HEPP 360 MW

Phase: Feasibility Study

TUMBUAN MAMUJU ATAS HEPP 90 MW

Phase: Feasibility Study

Mamuju

PLTA Tumbuan Mamuju Bawah

PLTA Tumbuan Mamuju Atas

Mamuju Tumbuan

TUMBUAN MAMUJU ATAS

HEPP 90 MW (First Cascade)

Gross Head: 355 m

Firm Discharge: 30,6 m3/sec

Length of Waterway: 2.736 m

Annual Energy: 428 GWh/year

General Layout

Long

Pro le

Uro River

Dam

Headrace Tunnel

Powerhouse

Powerhouse

Penstock tunnel

Betue River

Karama River

Headrace Tunnel

Dam

TUMBUAN MAMUJU BAWAH

HEPP 360 MW (Second Cascade)

Gross Head: 465 m

Firm Discharge: 96 m3/sec

Length of Waterway: 6.426,5 m

Annual Energy: 1.892 GWh/year

Long Pro le

General Layout

Dam

Headrace Tunnel

Headrace Tunnel

Powerhouse

Powerhouse

Penstock Penstock

Address

Engineering Office

Bukaka Industrial Estate

Engineering Building

Narogong - Bekasi Road KM. 19,5,

Cileungsi Bogor 16820

Phone : +62 21 - 823 2323

Hydropower isn't just a choice, it's our commitment to a greener world.