Alpha ess

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How to choose the right energy storage product

Š ALPHA ESS AUSTRALIA PTY LTD


On site assessment shows: u

The customer’s roof is capable to install 5kWp PV

u

The average daily PV generation at the location will be around 3kWh/kWp

u

The customer is using 1,700kWh electricity per quarter

u

Around 35% of the electricity is used during the day time

u

The feed-in tariff is 6c/kWh so the customer would want to maximize self-consumption

u

The customer is on a ToU tariff with peak 48c/kwh, shoulder 22c/kwh, and off-peak 12c/kwh

Why PV + storage?

How to design a right system for the customer?



How to choose the right product?


LiFePO4 Which chemistry shouldWeight be chosen Criteria Safety Cost Cycle Life Energy Density Chemistry for household Ratio energy storage? safety (25%) 40% (40%) (25%) (10%) LFP LCO NMC

1

0.5 Cost

1

0.3 Cycle 1 Life 0.3 LFP LCO 0.5 Energy1 Density0.6

0.5 25%

82.50%

1 25%

54.50% NMC 68.00%

0.8 10%


Which cell type is the best for household energy storage?


Small Cylindrical

Big Polymer Pouch

Plastic Cells

Metal Cells


Small Cylindrical

Big Polymer Pouch

Plastic Cells

Metal Cells


Metal  Cells

The only choice for ESS application


Who do we choose to cooperate?


Market Share BAK

Others

Samsung SDI

BYD ATL Lishen

LGC Sony Panasonic


Cell Type

Chemistry

Small Cylindrical Big Polymer Pouch Plastic Cells

Metal CAN Cells

LFP

LCO & NMC


Safety—Pack level BMS design: • 3 levels of software protection • 2 levels of redundant hardware protection

Certificates


Safety—System level • EMS protection warning • Online monitoring • Online service • Certificates


AC Solution


DC Solution


Hybrid Solution


Unique functionalities coming with AlphaESS: u

Programmable charging and discharging time

u

UPS reserve capacity

u

Auto start gen-set

u

Remote monitoring

u

Remote setting and upgrading

u

Access to energy trading market



After all‌ Is a hybrid system economical?

The Answer is YES!


All-in-one Plug and Play Battery capacity

3kW (4.5kW PV)

5kW (6.6kW PV)

2.5 kWh

$5,110

$6,480

5 kWh

$7,000

$8,370

7.5 kWh

$8,890

$10,260

10 kWh

$10,780

$12,150

12.5 kWh

$12,670

$14,040

Simple payback calculation shows 7-8 yrs return of investment and it can be shorter! Trial special 10% discount on above price Ends September 2015.


Thank you for listening dong.lin@alpha-ess.com www.alpha-ess.com.au


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