Solis (Ginlong Technologies) S6-GC30K-LV-US

Name: Solis (Ginlong Technologies) S6-GC30K-LV-US
Brand: Solis (Ginlong Technologies)

String inverter. 2 models, 30 kW AC at 208 V / 240 V.

UL 1741 SBCEC listed · Dec 11, 2023

Model

Rated AC power30 kW
CEC weighted efficiency97.0%

Models & power ratings

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library · 2 models

Model	Nominal AC	Grid voltage	CEC continuous	Rated AC (SAM)	CEC weighted eff.	DC test window	CEC listed	UL 1741 SB
S6-GC30K-LV-US	30 kW	208 V	29.9 kW	29.9 kW	97.0%	340–680 V	Dec 11, 2023	SB
S6-GC30K-LV-US	30 kW	240 V	29.9 kW	29.9 kW	97.0%	340–680 V	Aug 21, 2025	SB

DC input (PV side)

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library

CEC test DC voltages (min / nom / max)340 / 580 / 680 V
DC input at rated output (CEC test)31 kW

Efficiency

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library

CEC weighted efficiency97.0%
Night-time standby (tare)1.39 W
Power to start converting85 W

CEC weighted efficiency is measured by an accredited lab at six power levels and three DC voltages — the number to compare between inverters.

Grid & smart-inverter certification

CEC Grid Support Inverter List (Oct 7, 2026)

UL 1741 SB (3rd ed.)Yes — CSA Group, certificate Sep 15, 2023
UL 1741 SA (SA8–SA13)Yes — CSA Group
Firmware tested (SA)A2
Volt-VAr with reactive power priority (SA13)Yes
Freq-Watt / Volt-Watt (SA14–15)Yes
Disable permit service / limit active power (SA17–18)Yes
CSIP (IEEE 2030.5) conformanceVia gateway during testing (Y*)
Monitor key data & scheduling (Rule 21 Phase 3)Yes (attested Aug 21, 2025)
CEC listedDec 11, 2023

UL 1741 SB is required for new interconnections in California (Rule 21) since 2026.

Panel compatibility & string sizing

NLR SAM inverter library · NLR PVWatts v8 · CEC PV Module List · Cali-Graf calculation

CityColdest air, °CHottest cell, °C

S6-GC30K-LV-US: max DC 680 V · MPPT 340–680 V (CEC test window)

Most-permitted panels in Southern California

Panel	Power	Voc cold	Vmp hot	Panels per string	Installed together
Qcells Q.PEAK DUO BLK ML-G10.C+ 410	410 W	48.1 V	30.6 V	12–14	—
Qcells Q.PEAK DUO BLK ML-G10+ 410	410 W	48.1 V	30.6 V	12–14	—
LONGi LR5-54HABB-400M	400 W	39.3 V	25.3 V	14–17	—
JA Solar JAM54S31-405/MR	405 W	39.4 V	25.5 V	14–17	—
Hyundai Solutions HiN-T440NF(BK)	440 W	40.9 V	27 V	13–16	—
Silfab Solar SIL-440QD	440 W	41.1 V	28 V	13–16	—
Qcells Q.TRON BLK M-G2+ 430	430 W	41.3 V	28 V	13–16	—
Qcells Q.TRON BLK M-G2.H+ 430	430 W	41.3 V	28 V	13–16	—
REC Group REC460AA Pure-RX	460 W	68.8 V	47.1 V	8–9	—
Elin (Sirius PV) ELNSM54M-HC-410	410 W	39.3 V	25.3 V	14–17	—
Qcells Q.TRON BLK M-G2.C+ 430	430 W	41.3 V	28 V	13–16	—
Tesla TSP-420	420 W	43.4 V	27.7 V	13–15	—

Voltage check only, from CEC panel data and NLR weather for the city. Final design must follow the inverter manual and NEC 690.7.

Compare with similar 30 kW inverters

CEC Grid Support Inverter List (Oct 7, 2026) · building permits

Inverter	Power	CEC weighted eff.	DC test window	UL 1741 SB	Latest CEC	SoCal permits
Solis (Ginlong Technologies) S6-GC30K-LV-US	30 kW–30 kW	97.0%	340–680 V	Yes	2025	0
GoodWe GWxxKLV-SMT-US	22 kW–28 kW	97.0%	350–750 V	Yes	2024	—

Same type and grid voltage, power range covering this model; same fields from the same sources.

About Solis (Ginlong Technologies)

CEC Grid Support Inverter List (Oct 7, 2026)

ManufacturerSolis (Ginlong Technologies)
Listed in CEC asGinlong Technologies Co., Ltd.
Websitesolisinverters.com
Models on CEC lists145

Other series

Solis-xxK-5G-US · 3 permitsS5-GC60K-LV-USS6-GUxxxK-EHV-US-M12S6-GUxxxK-EHV-US-M16S5-GCxxK-USS6-GCxxK-USSolis-xxxK-EHV-5G-US-PLUSSolis-xxxK-EHV-5G-USSolis-xxK-US-F-LSWSolis-xxK-US-LSWSolis-xxxK1-EHV-5G

Questions & answers

How efficient is the Solis (Ginlong Technologies) S6-GC30K-LV-US?

The California Energy Commission lists a weighted efficiency of 97.0% for Solis (Ginlong Technologies) S6-GC30K-LV-US models, measured at six power levels and three DC voltages.

What sizes does the Solis (Ginlong Technologies) S6-GC30K-LV-US come in?

The CEC list includes 2 models from 30 kW to 30 kW AC: S6-GC30K-LV-US, S6-GC30K-LV-US.

Is the Solis (Ginlong Technologies) S6-GC30K-LV-US certified to UL 1741 SB?

Yes — the CEC Grid Support Inverter List shows UL 1741 SB for all models.

What is the S6-GC30K-LV-US’s DC input voltage range?

CEC tested it at 340–680 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).
NLR (formerly NREL) — PVWatts v8, NSRDB PSM v3 typical-year weather for Los Angeles, Palmdale, Riverside, Santa Clarita, Chula Vista, Huntington Beach.
California Energy Commission — PV Module List (module electrical data for the compatibility check).
Building permits — Southern California permit portals. Equipment matched from permit descriptions.
Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).