California
LADWP solar bill explained35.8–71.7 kWh · 26.9–53.8 kW · Lithium Ion · 2 configurations
W4S HelioCore xxk system: 35.8–71.7 kWh nameplate energy; 26.9–53.8 kW continuous; lithium ion.
| Model | Energy | Power | Grid voltage | Round trip | CEC listed |
|---|---|---|---|---|---|
| W4S HelioCore 36k system | 35.8 kWh | — | — | — | Sep 11, 2025 |
| W4S HelioCore 72k system | 71.7 kWh | — | — | — | Sep 11, 2025 |