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Battery inverterDYNAPOWER

DYNAPOWER MPS-125EHV

Battery inverter, ac-coupled battery inverter. 1 model, 125 kW AC at 480 V.

UL 1741 SBCEC listed · Apr 1, 2022

Rated AC power125 kW
CEC weighted efficiency97.5%

AC output (grid side)

CEC Grid Support Inverter List (Oct 7, 2026)

Rated AC power125 kW
CEC-measured continuous output123.5 kW
Grid voltage480 V
Phase3-phase 480 V

Efficiency

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

CEC weighted efficiency97.5%
Night-time standby (tare)50.5 W
Power to start converting631.5 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 — TUV Rheinland, certificate May 9, 2024
UL 1741 SA (SA8–SA13)Yes — Intertek
Firmware tested (SA)125_1_6, 125_2_47
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 May 23, 2022)
CEC listedApr 1, 2022
Last CEC updateAug 1, 2024

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

Compare with similar 125 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
DYNAPOWER MPS-xxxEHV	125 kW–125 kW	97.5%	740–1,500 V	Yes	2022	0
Kehua BCSxxK-B-HM-US X2	75 kW–175 kW	98.5%	720–1,450 V	Yes	2024	—
Growatt WIT xxK-A-US	50 kW–100 kW	99.0%	750–900 V	Yes	2024	—
Growatt WIT xxK-AU-US	50 kW–100 kW	99.0%	750–900 V	Yes	2024	—
CPS (Chint Power Systems) CPS ECBxx.xKTL-M/US-480	62.5 kW–125 kW	97.5%	750–1,100 V	Yes	2020	—

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

About DYNAPOWER

CEC Grid Support Inverter List (Oct 7, 2026)

ManufacturerDYNAPOWER
Listed in CEC asDYNAPOWER COMPANY LLC
Models on CEC lists16

Other series

CPS-2500 Gen5CPS-1250 Gen5CPS-1500 Gen4

Questions & answers

How efficient is the DYNAPOWER MPS-xxxEHV?

The California Energy Commission lists a weighted efficiency of 97.5% for DYNAPOWER MPS-xxxEHV models, measured at six power levels and three DC voltages.

Is the DYNAPOWER MPS-xxxEHV certified to UL 1741 SB?

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

Can the DYNAPOWER MPS-xxxEHV be used with a battery?

The CEC lists it as a ac-coupled battery inverter.

What is the MPS-125EHV’s DC input voltage range?

CEC tested it at 740–1,500 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).
Building permits — Southern California permit portals. Equipment matched from permit descriptions.