California
LADWP solar bill explainedBattery inverter, ac-coupled battery inverter. 6 models, 3.8 kW–11.5 kW AC at 240 V.
| Model | Nominal AC | Grid voltage | CEC continuous | Rated AC (SAM) | CEC weighted eff. | DC test window | CEC listed | UL 1741 SB |
|---|---|---|---|---|---|---|---|---|
| HAS-3.8LV-USG1 | 3.8 kW | 240 V | 3.65 kW | 3.65 kW | 93.5% | 50–60 V | Feb 1, 2024 | SB |
| HAS-4.8LV-USG1 | 4.8 kW | 240 V | 4.56 kW | 4.56 kW | 94.0% | 50–60 V | Feb 1, 2024 | SB |
| HAS-6.0LV-USG1 | 6 kW | 240 V | 4.56 kW | 4.56 kW | 94.0% | 50–60 V | Feb 1, 2024 | SB |
| HAS-7.6LV-USG1 | 7.6 kW | 240 V | 7.42 kW | 7.42 kW | 94.0% | 50–60 V | Feb 1, 2024 | SB |
| HAS-9.6LV-USG1 | 9.6 kW | 240 V | 9.15 kW | 9.15 kW | 94.0% | 50–60 V | Feb 1, 2024 | SB |
| HAS-11.5LV-USG1 | 11.5 kW | 240 V | 9.15 kW | 9.15 kW | 94.0% | 50–60 V | Feb 1, 2024 | SB |
| Inverter | Power | CEC weighted eff. | DC test window | UL 1741 SB | Latest CEC | SoCal permits |
|---|---|---|---|---|---|---|
| Hoymiles HAS-x.xLV-USG1 | 3.8 kW–11.5 kW | 94.0% | 50–60 V | Yes | 2024 | 0 |
| GoodWe GWxxxxA-BP | 5 kW–9.6 kW | 96.5% | 200–495 V | Yes | 2021 | 1 |
| FOXESS AIO-AC1-x.x-US | 3.8 kW–11.4 kW | 97.0% | 85–500 V | Yes | 2025 | — |
| APsystems (Altenergy Power System) ELS | 6.61 kW–11.4 kW | 94.0% | 51–60 V | Yes | 2024 | — |
| Alpha ESS SMILE-SPBx.x-INV | 7.6 kW–9.6 kW | 96.5% | 200–495 V | Yes | 2024 | — |
The California Energy Commission lists a weighted efficiency of 93.5–94.0% for Hoymiles HAS-x.xLV-USG1 models, measured at six power levels and three DC voltages.
The CEC list includes 6 models from 3.8 kW to 11.5 kW AC: HAS-3.8LV-USG1, HAS-4.8LV-USG1, HAS-6.0LV-USG1, HAS-7.6LV-USG1, HAS-9.6LV-USG1, HAS-11.5LV-USG1.
Yes — the CEC Grid Support Inverter List shows UL 1741 SB for all models.
The CEC lists it as a ac-coupled battery inverter.
CEC tested it at 50–60 V DC.