California
LADWP solar bill explained1,221–6,517 kWh · 500–1,500 kW · Lithium Iron Phosphate · direct PV input · 37 configurations
SUNSYS-HES-XXL: 1,221–6,517 kWh nameplate energy; 500–1,500 kW continuous; lithium iron phosphate; accepts solar panels directly (DC-coupled).
| Model | Energy | Power | Grid voltage | Round trip | CEC listed |
|---|---|---|---|---|---|
| SUNSYS-HES-XXL {500kW, 1221kWh} | 1,221 kWh | 500 kW | 600 V | 88% | Aug 21, 2025 |
| SUNSYS-HES-XXL {500kW, 1629kWh} | 1,629 kWh | 500 kW | 600 V | 88% | Aug 21, 2025 |
| SUNSYS-HES-XXL {750kW, 1629kWh} | 1,629 kWh | 750 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {500kW, 2036kWh} | 2,036 kWh | 500 kW | 600 V | 88% | Aug 21, 2025 |
| SUNSYS-HES-XXL {750kW, 2036kWh} | 2,036 kWh | 750 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1000kW, 2036kWh} | 2,036 kWh | 1,000 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {500kW, 2444kWh} | 2,444 kWh | 500 kW | 600 V | 88% | Aug 21, 2025 |
| SUNSYS-HES-XXL {750kW, 2444kWh} | 2,444 kWh | 750 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1000kW, 2444kWh} | 2,444 kWh | 1,000 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1250kW, 2444kWh} | 2,444 kWh | 1,250 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {500kW, 2851kWh} | 2,851 kWh | 500 kW | 600 V | 88% | Aug 21, 2025 |
| SUNSYS-HES-XXL {750kW, 2851kWh} | 2,851 kWh | 750 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1000kW, 2851kWh} | 2,851 kWh | 1,000 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1250kW, 2851kWh} | 2,851 kWh | 1,250 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1500kW, 2851kWh} | 2,851 kWh | 1,500 kW | 690 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {500kW, 3258kWh} | 3,258 kWh | 500 kW | 600 V | 88% | Aug 21, 2025 |
| SUNSYS-HES-XXL {750kW, 3258kWh} | 3,258 kWh | 750 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1000kW, 3258kWh} | 3,258 kWh | 1,000 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1250kW, 3258kWh} | 3,258 kWh | 1,250 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1500kW, 3258kWh} | 3,258 kWh | 1,500 kW | 690 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1000kW, 3666kWh} | 3,666 kWh | 1,000 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1250kW, 3666kWh} | 3,666 kWh | 1,250 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1500kW, 3666kWh} | 3,666 kWh | 1,500 kW | 690 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1000kW, 4073kWh} | 4,073 kWh | 1,000 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1250kW, 4073kWh} | 4,073 kWh | 1,250 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1500kW, 4073kWh} | 4,073 kWh | 1,500 kW | 690 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1000kW, 4480kWh} | 4,480 kWh | 1,000 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1250kW, 4480kWh} | 4,480 kWh | 1,250 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1500kW, 4480kWh} | 4,480 kWh | 1,500 kW | 690 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1250kW, 4888kWh} | 4,888 kWh | 1,250 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1500kW, 4888kWh} | 4,888 kWh | 1,500 kW | 690 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1250kW, 5295kWh} | 5,295 kWh | 1,250 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1500kW, 5295kWh} | 5,295 kWh | 1,500 kW | 690 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1250kW, 5702kWh} | 5,702 kWh | 1,250 kW | 600 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1500kW, 5702kWh} | 5,702 kWh | 1,500 kW | 690 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1500kW, 6110kWh} | 6,110 kWh | 1,500 kW | 690 V | 88% | Jun 23, 2025 |
| SUNSYS-HES-XXL {1500kW, 6517kWh} | 6,517 kWh | 1,500 kW | 690 V | 88% | Jun 23, 2025 |
1,221–6,517 kWh nameplate, per the California Energy Commission list.
Yes — the CEC list shows UL 9540 certification (certified by tuv rheinland of north america).