45.9 × 34.3 × 14.2 in

Hybrid inverterSungrow

Sungrow SG200HX-US

Name: Sungrow SG200HX-US
Brand: Sungrow

Hybrid inverter, dc-coupled hybrid (pv + battery). 3 models, 200 kW–350 kW AC at 600 V / 800 V.

UL 1741 SB · 2 of 4 modelsCEC listed · Sep 21, 2020Installed in 1 SoCal permit

Model

Rated AC power200 kW
CEC weighted efficiency98.5%
Max DC input1,500 V

Models & power ratings

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library · 3 models

Model	Nominal AC	Grid voltage	CEC continuous	Rated AC (SAM)	CEC weighted eff.	DC test window	CEC listed	UL 1741 SB
SG200HX-US	200 kW	600 V	200.4 kW	200.4 kW	98.5%	850–1,300 V	Jan 22, 2024	SB
SG250HX-US	250 kW	800 V	227 kW	227 kW	98.5%	860–1,300 V	Sep 21, 2020	—
SG350HX-US	350 kW	800 V	320.9 kW	320.9 kW	98.5%	860–1,330 V	Nov 21, 2023	SB

Some models are also on the CEC Battery Inverter list — one product, two listings.

DC input (PV side)

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

Max DC input voltage1,500 V
MPPT operating range500–1,500 V
Full-power MPPT range850–1,300 V
CEC test DC voltages (min / nom / max)850 / 1,000 / 1,300 V
Max input current40 A
DC input at rated output (CEC test)204.1 kW

AC output (grid side)

Sungrow datasheet · CEC Grid Support Inverter List (Oct 7, 2026)

Rated AC power200 kW
CEC-measured continuous output200.4 kW
Grid voltage600 V / 800 V
Phase3-phase 600 V, 3-phase 800 V
AC voltage range528–660 V
Max continuous output current193 A

Efficiency

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

CEC weighted efficiency98.5%
Peak efficiency98.8%
Night-time standby (tare)4.54 W
Power to start converting336.3 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) · Sungrow datasheet

UL 1741 SB (3rd ed.)2 of 4 models — CSA Group, certificate Jun 21, 2023
UL 1741 SA (SA8–SA13)2 of 4 models — CSA Group
Firmware tested (SA)MDSP_DIAMOND-S_V11_V01_A
Volt-VAr with reactive power priority (SA13)2 of 4 models
Freq-Watt / Volt-Watt (SA14–15)2 of 4 models
Disable permit service / limit active power (SA17–18)2 of 4 models
CSIP (IEEE 2030.5) conformanceVia gateway during testing (Y*)
Monitor key data & scheduling (Rule 21 Phase 3)Yes (attested Jan 2, 2024)
CEC listedSep 21, 2020
Last CEC updateJan 2, 2024
Standards listed on the datasheetUL 1741, UL 1741 SA, IEEE 1547, UL 62109, CSA C22.2, CA Rule 21, HECO Rule 14H, FCC Part 15

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

Monitoring & communication

Sungrow datasheet

InterfacesPLC, RS485, Bluetooth, Modbus, SunSpec

Size, weight & environment

Sungrow datasheet

Dimensions (W × H × D)45.9 × 34.3 × 14.2 in
Weight269 lb (122 kg)
Enclosure ratingIP66, NEMA 4X
CoolingFan-cooled
Operating temperature−30 to +60 °C

Panel compatibility & string sizing

Sungrow datasheet · NLR PVWatts v8 · CEC PV Module List · Cali-Graf calculation

CityColdest air, °CHottest cell, °C

SG200HX-US: max DC 1,500 V · MPPT 850–1,300 V (datasheet)

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	28–31	—
Qcells Q.PEAK DUO BLK ML-G10+ 410	410 W	48.1 V	30.6 V	28–31	—
LONGi LR5-54HABB-400M	400 W	39.3 V	25.3 V	34–38	—
JA Solar JAM54S31-405/MR	405 W	39.4 V	25.5 V	34–38	—
Hyundai Solutions HiN-T440NF(BK)	440 W	40.9 V	27 V	32–36	—
Silfab Solar SIL-440QD	440 W	41.1 V	28 V	31–36	—
Qcells Q.TRON BLK M-G2+ 430	430 W	41.3 V	28 V	31–36	—
Qcells Q.TRON BLK M-G2.H+ 430	430 W	41.3 V	28 V	31–36	—
REC Group REC460AA Pure-RX	460 W	68.8 V	47.1 V	19–21	—
Elin (Sirius PV) ELNSM54M-HC-410	410 W	39.3 V	25.3 V	34–38	—
Qcells Q.TRON BLK M-G2.C+ 430	430 W	41.3 V	28 V	31–36	—
Tesla TSP-420	420 W	43.4 V	27.7 V	31–34	—

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

Installed in Southern California

building permits

Permits name it

Sep 2026

Jurisdictions so far

LA County (unincorp.) (1)

1,451.5 kW

Typical system

median of 1 permits

Model named in permit

SG200HX-US

Only installer and ZIP level is shown — no homeowner names, street addresses or permit numbers. Permits from LA County (unincorp.) come without a contractor license, so they count toward totals but not toward installers. Counts grow as more permit portals are loaded.

Documents

manufacturer documents

PDF
MVS4480-US Datasheet
Datasheet · Sungrow · Jan 2025
PDF
SG350HX-US Datasheet
Datasheet · Sungrow · Apr 2026
PDF
MVS3200-US Datasheet
Datasheet · Sungrow · Jan 2025
PDF
SG200HX-US Datasheet
Datasheet · Sungrow · Jun 2025

Questions & answers

How efficient is the Sungrow SGxxxHX-US?

The California Energy Commission lists a weighted efficiency of 98.5% for Sungrow SGxxxHX-US models, measured at six power levels and three DC voltages. The datasheet states a peak efficiency of 98.8%.

What sizes does the Sungrow SGxxxHX-US come in?

The CEC list includes 3 models from 200 kW to 350 kW AC: SG200HX-US, SG250HX-US, SG350HX-US.

Is the Sungrow SGxxxHX-US certified to UL 1741 SB?

Yes — the CEC Grid Support Inverter List shows UL 1741 SB for 2 of 4 models.

Can the Sungrow SGxxxHX-US be used with a battery?

The CEC lists it as a dc-coupled hybrid (pv + battery).

What is the SG200HX-US’s DC input voltage range?

Max DC input voltage is 1,500 V per the datasheet. MPPT operating range 500–1,500 V. CEC tested it at 850–1,300 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.
Sungrow — datasheet SG200HX-US Datasheet.
Sungrow — datasheet SG350HX-US Datasheet.
Sungrow — document library on the manufacturer’s website (links above).
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 — Los Angeles County Public Works (EPIC-LA, unincorporated areas) (Sep 2026). Equipment matched from permit descriptions by model number.
Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).