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