Cali-Graf in Southern California

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MicroinverterNorthern Electric & Power

Northern Electric & Power BDM-800-277A

Microinverter. 1 model, 800 W AC at 277 V.

UL 1741 SBCEC listed · May 1, 2025

Rated AC power800 W
CEC weighted efficiency96.5%

DC input (PV side)

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

CEC test DC voltages (min / nom / max)22 / 35 / 55 V
DC input at rated output (CEC test)829 W

AC output (grid side)

CEC Grid Support Inverter List (Oct 7, 2026)

Rated AC power800 W
CEC-measured continuous output799 W
Grid voltage277 V
Phase3-phase 277 V

Efficiency

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

CEC weighted efficiency96.5%
Night-time standby (tare)0.5 W
Power to start converting4.9 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 — Intertek, certificate Nov 11, 2024
UL 1741 SA (SA8–SA13)Yes — Intertek
Firmware tested (SA)9200
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 1, 2025)
CEC listedMay 1, 2025
Last CEC updateNov 12, 2025

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

BDM-800-277A: max DC 55 V · MPPT 22–55 V (CEC test window)

Most-permitted panels in Southern California

Panel	Power	Voc cold / Vmp hot	Check	DC/AC	Installed together
Qcells Q.PEAK DUO BLK ML-G10.C+ 410	410 W	48.1 / 30.6 V	✓ Within range	0.51	—
Qcells Q.PEAK DUO BLK ML-G10+ 410	410 W	48.1 / 30.6 V	✓ Within range	0.51	—
LONGi LR5-54HABB-400M	400 W	39.3 / 25.3 V	✓ Within range	0.5	—
JA Solar JAM54S31-405/MR	405 W	39.4 / 25.5 V	✓ Within range	0.51	—
Hyundai Solutions HiN-T440NF(BK)	440 W	40.9 / 27 V	✓ Within range	0.55	—
Silfab Solar SIL-440QD	440 W	41.1 / 28 V	✓ Within range	0.55	—
Qcells Q.TRON BLK M-G2+ 430	430 W	41.3 / 28 V	✓ Within range	0.54	—
Qcells Q.TRON BLK M-G2.H+ 430	430 W	41.3 / 28 V	✓ Within range	0.54	—
REC Group REC460AA Pure-RX	460 W	68.8 / 47.1 V	✗ Cold Voc above max input	0.58	—
Elin (Sirius PV) ELNSM54M-HC-410	410 W	39.3 / 25.3 V	✓ Within range	0.51	—
Qcells Q.TRON BLK M-G2.C+ 430	430 W	41.3 / 28 V	✓ Within range	0.54	—
Tesla TSP-420	420 W	43.4 / 27.7 V	✓ Within range	0.53	—

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

About Northern Electric & Power

CEC Grid Support Inverter List (Oct 7, 2026)

ManufacturerNorthern Electric & Power
Listed in CEC asNorthern Electric & Power Co. Ltd
Models on CEC lists49

Other series

BDHX-xxxxT-208BDM-xxxx-LVBDM-xxx-208ABDM-xxx-240ABDM

Questions & answers

How efficient is the Northern Electric & Power BDM-xxx-277A?

The California Energy Commission lists a weighted efficiency of 96.5% for Northern Electric & Power BDM-xxx-277A models, measured at six power levels and three DC voltages.

Is the Northern Electric & Power BDM-xxx-277A certified to UL 1741 SB?

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

What is the BDM-800-277A’s DC input voltage range?

CEC tested it at 22–55 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).
Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).