The California Energy Commission lists a weighted efficiency of 96.0% for GoodWe GWxxxx-SBP-US20 models, measured at six power levels and three DC voltages.
What sizes does the GoodWe GWxxxx-SBP-US20 come in?
The CEC list includes 4 models from 5 kW to 9.6 kW AC: GW5000-SBP-US20, GW6000-SBP-US20, GW7600-SBP-US20, GW9600-SBP-US20.
Is the GoodWe GWxxxx-SBP-US20 certified to UL 1741 SB?
Yes — the CEC Grid Support Inverter List shows UL 1741 SB for all models.
Can the GoodWe GWxxxx-SBP-US20 be used with a battery?
The CEC lists it as a ac-coupled battery inverter.
What is the GW7600-SBP-US20’s DC input voltage range?
CEC tested it at 158–495 V DC.
Sources
California Energy Commission — Grid Support Inverter List (solar and battery inverters), data as of Oct 7, 2026. Manufacturer-reported, confirmed by CEC against certificates and test reports.
NLR (formerly NREL) — System Advisor Model CEC inverter library (version 2026.7.3).
Clean Energy Council (Australia) — approved inverter list (as of Oct 8, 2026).
Building permits — Southern California permit portals. Equipment matched from permit descriptions.
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