Cali-Graf in Southern California

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11 × 6.9 × 1.3 in

MicroinverterHoymiles

Hoymiles HM-700N

Microinverter. 12 models, 295 W–1.44 kW AC at 208 V / 240 V.

UL 1741 SB · 11 of 12 modelsCEC listed · May 11, 2020Rapid shutdown

Model

Rated AC power696 W
CEC weighted efficiency96.5%

Models & power ratings

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library · 12 models

Model	Nominal AC	Grid voltage	CEC continuous	Rated AC (SAM)	CEC weighted eff.	DC test window	CEC listed	UL 1741 SB
HM-300N	295 W	240 V	295 W	295 W	96.5%	33–48 V	Aug 3, 2020	SB
HM-350N	349 W	240 V	349 W	349 W	96.5%	33–48 V	Aug 3, 2020	SB
HM-400N	382 W	208 V	387 W	387 W	96.5%	38–48 V	Oct 2, 2023	SB
HM-400N	382 W	240 V	383 W	383 W	96.5%	34–48 V	Aug 3, 2020	SB
HM-600N	590 W	240 V	591 W	591 W	96.5%	29–48 V	May 11, 2020	SB
HM-700N	696 W	240 V	697 W	697 W	96.5%	33–48 V	May 11, 2020	SB
HM-800N	766 W	208 V	767 W	767 W	96.5%	34–48 V	Apr 21, 2023	SB
HM-800N	766 W	240 V	767 W	767 W	96.5%	34–48 V	May 11, 2020	SB
HM-1000N	1 kW	240 V	985 W	985 W	96.5%	32–48 V	Mar 1, 2021	—
HM-1200N	1.2 kW	240 V	1.21 kW	1.21 kW	96.5%	32–48 V	May 11, 2020	SB
HM-1500N	1.44 kW	208 V	1.44 kW	1.44 kW	96.5%	36–48 V	Aug 11, 2023	SB
HM-1500N	1.44 kW	240 V	1.44 kW	1.44 kW	96.5%	36–48 V	May 11, 2020	SB

DC input (PV side)

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

CEC test DC voltages (min / nom / max)33 / 42 / 48 V
DC input at rated output (CEC test)723 W

AC output (grid side)

CEC Grid Support Inverter List (Oct 7, 2026)

Rated AC power696 W
CEC-measured continuous output697 W
Grid voltage208 V / 240 V
Phase208 V (1-phase of 3-phase service), split-phase 120/240 V

Efficiency

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

CEC weighted efficiency96.5%
Night-time standby (tare)0.11 W
Power to start converting1.1 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) · Hoymiles datasheet

UL 1741 SB (3rd ed.)11 of 12 models — CSA Group, certificate Jun 6, 2023
UL 1741 SA (SA8–SA13)9 of 12 models — CSA Group
Firmware tested (SA)V01.01.00
Volt-VAr with reactive power priority (SA13)9 of 12 models
Freq-Watt / Volt-Watt (SA14–15)9 of 12 models
Disable permit service / limit active power (SA17–18)9 of 12 models
CSIP (IEEE 2030.5) conformanceVia gateway during testing (Y*) (11 of 12 models)
Monitor key data & scheduling (Rule 21 Phase 3)Yes (attested Oct 2, 2023)
CEC listedMay 11, 2020
Last CEC updateJan 22, 2024
Standards listed on the datasheetUL 1741, UL 1741 SA, IEEE 1547, CSA C22.2, FCC Part 15, CA Rule 21

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

Safety & protection

Hoymiles datasheet

Rapid shutdown (NEC 690.12)Yes (NEC 690.12, datasheet)

Size, weight & environment

Hoymiles datasheet

Dimensions (W × H × D)11 × 6.9 × 1.3 in
Weight8.3 lb (3.8 kg)
Enclosure ratingNEMA 6, IP67
CoolingNatural convection (no fans)
Operating temperature−40 to +65 °C

Panel compatibility & string sizing

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

CityColdest air, °CHottest cell, °C

HM-700N: max DC 48 V · MPPT 33–48 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	✗ Cold Voc above max input	0.59	—
Qcells Q.PEAK DUO BLK ML-G10+ 410	410 W	48.1 / 30.6 V	✗ Cold Voc above max input	0.59	—
LONGi LR5-54HABB-400M	400 W	39.3 / 25.3 V	⚠ Below MPPT at peak heat	0.57	—
JA Solar JAM54S31-405/MR	405 W	39.4 / 25.5 V	⚠ Below MPPT at peak heat	0.58	—
Hyundai Solutions HiN-T440NF(BK)	440 W	40.9 / 27 V	⚠ Below MPPT at peak heat	0.63	—
Silfab Solar SIL-440QD	440 W	41.1 / 28 V	⚠ Below MPPT at peak heat	0.63	—
Qcells Q.TRON BLK M-G2+ 430	430 W	41.3 / 28 V	⚠ Below MPPT at peak heat	0.62	—
Qcells Q.TRON BLK M-G2.H+ 430	430 W	41.3 / 28 V	⚠ Below MPPT at peak heat	0.62	—
REC Group REC460AA Pure-RX	460 W	68.8 / 47.1 V	✗ Cold Voc above max input	0.66	—
Elin (Sirius PV) ELNSM54M-HC-410	410 W	39.3 / 25.3 V	⚠ Below MPPT at peak heat	0.59	—
Qcells Q.TRON BLK M-G2.C+ 430	430 W	41.3 / 28 V	⚠ Below MPPT at peak heat	0.62	—
Tesla TSP-420	420 W	43.4 / 27.7 V	⚠ Below MPPT at peak heat	0.6	—

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 696 W 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
Hoymiles HM-xxxN	295 W–1.44 kW	96.5%	33–48 V	Yes	2023	0
Enphase Energy IQ8 Series	240 W–633 W	97.5%	25–95 V	44 of 45	2025	1,104
Hoymiles HM-xxxNT	295 W–1.44 kW	96.5%	29–48 V	11 of 12	2023	3
Power Center Dxxx-M2	696 W–696 W	96.5%	33–48 V	Yes	2022	2
FOXESS M1-xxxx-NA	600 W–1.2 kW	95.5%	35–50 V	Yes	2026	—

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

About Hoymiles

CEC Grid Support Inverter List (Oct 7, 2026)

ManufacturerHoymiles
Listed in CEC asHoymiles Power Electronics Inc.
Websitehoymiles.com
Models on CEC lists402

Other series

HM-xxxNT · 3 permitsHMS-xxx-1WM-LVMIS-xxx-1A-NAMIS-xxx-1NAMIS-xxx-2NAHMT-xxxx-4T-208-NAHMS-xxx-1A-NAHMS-xxx-1T-NAHMS-xxx-2T-NAHMS-xxxx-4T-NAHMS-xxx-1D-NAHMS-xxx-2D-NA

Questions & answers

How efficient is the Hoymiles HM-xxxN?

The California Energy Commission lists a weighted efficiency of 96.5% for Hoymiles HM-xxxN models, measured at six power levels and three DC voltages.

What sizes does the Hoymiles HM-xxxN come in?

The CEC list includes 12 models from 295 W to 1.44 kW AC: HM-300N, HM-350N, HM-400N, HM-400N, HM-600N, HM-700N, HM-800N, HM-800N….

Is the Hoymiles HM-xxxN certified to UL 1741 SB?

Yes — the CEC Grid Support Inverter List shows UL 1741 SB for 11 of 12 models.

What is the HM-700N’s DC input voltage range?

CEC tested it at 33–48 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.
Hoymiles — manufacturer datasheet “Open Energy For All Microinverter Description module-level solar solutions, as it can support up to 4 panels at”.
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).