6.9 × 8.3 × 1.2 in

MicroinverterEnphase Energy

Enphase Energy IQ8PLUS-72-2-US

Name: Enphase Energy IQ8PLUS-72-2-US
Brand: Enphase Energy

Microinverter. 12 models, 240 W–633 W AC at 208 V / 240 V.

UL 1741 SB · 44 of 45 modelsCEC listed · May 3, 2021Rapid shutdownInstalled in 1,104 SoCal permits

Model

Rated AC power290 W
CEC weighted efficiency97.0%
Max DC input60 V

Models & power ratings

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

Model	Nominal AC	Grid voltage	CEC continuous	Rated AC (SAM)	CEC weighted eff.	DC test window	CEC listed	UL 1741 SB	In permits
IQ8-60-2-US +1 SKU	240 W	240 V	240 W	240 W	97.0%	27–37 V	May 3, 2021	SB	12
IQ8PLUS-72-2-US +3 SKU	295 W	240 V	295 W	290 W	97.0%	27–45 V	May 3, 2021	SB	349
IQ8MC-72-M-US +3 SKU	310 W	208 V	310 W	310 W	96.5%	25–45 V	Jul 21, 2023	SB	36
IQ8MC-72-M-US +3 SKU	320 W	240 V	320 W	320 W	97.0%	25–45 V	Jul 21, 2023	SB	36
IQ8M-72-2-US +1 SKU	325 W	240 V	325 W	325 W	97.0%	30–45 V	May 3, 2021	SB	155
IQ8AC-72-M-US +3 SKU	345 W	208 V	345 W	345 W	96.5%	28–45 V	Jul 21, 2023	SB	3
IQ8A-72-2-US +5 SKU	349 W	240 V	349 W	349 W	97.0%	32–45 V	May 3, 2021	SB	50
IQ8HC-72-M-DOM-US +7 SKU	360 W	208 V	360 W	360 W	96.5%	30–45 V	Feb 21, 2025	SB	132
IQ8H-240-72-2-US +1 SKU	380 W	240 V	380 W	380 W	97.0%	36–45 V	May 3, 2021	SB	15
IQ8HC-72-M-DOM-US +5 SKU	384 W	240 V	384 W	380 W	97.0%	30–45 V	Oct 1, 2024	SB	132
IQ8P-72-2-US +1 SKU	475 W	240 V	475 W	475 W	97.5%	36–55 V	Feb 1, 2024	SB	—
IQ8D-72-E-US	633 W	208 V	640 W	640 W	97.5%	60–95 V	Jan 3, 2022	—	—

DC input (PV side)

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

Max DC input voltage60 V
MPPT operating range29–45 V
CEC test DC voltages (min / nom / max)27 / 36 / 45 V
Start-up voltage30 V
DC operating range25–58 V
Max input current15 A
Max / recommended DC power235–440 W recommended module power

AC output (grid side)

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

Rated AC power290 W
Max apparent power300 VA
CEC-measured continuous output295 W
Grid voltage208 V / 240 V
Phase208 V (1-phase of 3-phase service), split-phase 120/240 V
Frequency60 Hz
Max continuous output current1.21 A

Efficiency

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

CEC weighted efficiency97.0%
Peak efficiency97.6%
Night-time standby (tare)0.05 W
Power to start converting1.7 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) · Enphase Energy datasheet

UL 1741 SB (3rd ed.)44 of 45 models — UL, certificate May 13, 2026
UL 1741 SA (SA8–SA13)Yes — UL
Firmware tested (SA)V10.31.01, v2.27.03, v2.40.01 and 16 more
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 Jul 14, 2025)
Anti-islanding method groupsGroups 1 (manufacturer-reported)
Power control system (PCS)Stated in CEC listing (power control system)
CEC listedMay 3, 2021
Last CEC updateAug 21, 2026
Standards listed on the datasheetUL 1741 SA, UL 1741 SB, UL 1741, UL 62109, FCC Part 15, CA Rule 21, NEC 690.12 (rapid shutdown), IEEE 1547

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

Safety & protection

Enphase Energy datasheet

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

Monitoring & communication

Enphase Energy datasheet

InterfacesPLC, CAN

Size, weight & environment

Enphase Energy datasheet

Dimensions (W × H × D)6.9 × 8.3 × 1.2 in
Weight2.4 lb (1.1 kg)
Enclosure ratingClass II double-insulated
CoolingNatural convection (no fans)
Operating temperature−40 to +60 °C

Panel compatibility & string sizing

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

CityColdest air, °CHottest cell, °C

IQ8PLUS-72-2-US: max DC 60 V · MPPT 29–45 V (datasheet)

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	1.41	201
Qcells Q.TRON BLK M-G2.C+ 430	430 W	41.3 / 28 V	⚠ Below MPPT at peak heat	1.48	29
Hyundai Solutions HiN-T440NF(BK)	440 W	40.9 / 27 V	⚠ Below MPPT at peak heat	1.52	20
Silfab Solar SIL-440QD	440 W	41.1 / 28 V	⚠ Below MPPT at peak heat	1.52	14
Elin (Sirius PV) ELNSM54M-HC-410	410 W	39.3 / 25.3 V	⚠ Below MPPT at peak heat	1.41	11
JA Solar JAM54S31-405/MR	405 W	39.4 / 25.5 V	⚠ Below MPPT at peak heat	1.4	6
Qcells Q.PEAK DUO BLK ML-G10+ 410	410 W	48.1 / 30.6 V	✓ Within range	1.41	—
LONGi LR5-54HABB-400M	400 W	39.3 / 25.3 V	⚠ Below MPPT at peak heat	1.38	—
Qcells Q.TRON BLK M-G2+ 430	430 W	41.3 / 28 V	⚠ Below MPPT at peak heat	1.48	—
Qcells Q.TRON BLK M-G2.H+ 430	430 W	41.3 / 28 V	⚠ Below MPPT at peak heat	1.48	—
REC Group REC460AA Pure-RX	460 W	68.8 / 47.1 V	✗ Cold Voc above max input	1.59	—
Tesla TSP-420	420 W	43.4 / 27.7 V	⚠ Below MPPT at peak heat	1.45	—

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

Battery & storage pairings

building permits

Batteries installed with it in SoCal

Enphase IQ Battery 5P

211

Enphase IQ Battery 10C

Tesla Powerwall 2

Enphase IQ Battery

Tesla Powerwall 3

FranklinWH aPower 2

Enphase IQ Battery 10

Enphase IQ Battery 10T

What it's installed with

building permits

Panels

Qcells Q.PEAK DUO

201

Qcells (model not specified)

REC Alpha Pure

REC (model not specified)

Qcells Q.TRON

Batteries

Enphase IQ Battery 5P

211

Enphase IQ Battery 10C

Tesla Powerwall 2

Enphase IQ Battery

Tesla Powerwall 3

Gateways & interfaces

Enphase IQ Combiner

210

Enphase IQ Gateway

Tesla Backup Gateway

Enphase IQ System Controller

Enphase IQ Meter Collar

Permits naming both; 942 of 1104 permits list other equipment.

Installed in Southern California

building permits

1,104

Permits name it

Feb 2022 – Sep 2026

Jurisdictions so far

LA County (unincorp.) (892), Palmdale (128), Huntington Beach (47), Ch

17,088

Units listed

median 17 per permit

7 kW

Typical system

median of 759 permits

Permits over time

Model named in permit

IQ8PLUS-72-2-US

295

IQ8M-72-2-US

145

IQ8HC-72-M-DOM-US

IQ8PLUS-72-M-US

IQ8A-72-2-US

IQ8MC-72-M-US

Top ZIP codes

ZIP 9100191
ZIP 9355064
ZIP 9174546
ZIP 9060438
ZIP 9355138
ZIP 9355234
ZIP 9029030
ZIP 9121427
Other ZIP codes23

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.

Who installs IQ8 Series in SoCal

building permits · CSLB License Master

Better Earth Electric Inc

Cerritos · CSLB #1024460

20 installsOct 2025 – Sep 2026Palmdale

South West Builders

Simi Valley · CSLB #1012298

17 installsJun 2025 – Mar 2026Palmdale, Huntington Beach

Lgcy Electric

Lehi · CSLB #1099095

8 installsFeb 2025 – Jun 2026Chula Vista, Palmdale

Timeproofusa

Anaheim · CSLB #1125771

8 installsMar 2026 – Aug 2026Palmdale

Exo Energy Inc

San Marcos · CSLB #1063308

7 installsApr 2026 – Sep 2026Palmdale, Chula Vista

Lennar Homes Of California LLC

Irvine · CSLB #728102

7 installsSep 2026Chula Vista

Dutchmen Construction Incorporated

Hemet · CSLB #1070131

5 installsJul 2025 – Feb 2026Palmdale

Fulfill Power Inc

Temecula · CSLB #1115791

5 installsJun 2026 – Jul 2026Palmdale

Mars Builder Solutions

Rocklin · CSLB #1103958

5 installsSep 2025 – Apr 2026Huntington Beach, Palmdale

Photovoltaic Power Systems LLC

San Diego · CSLB #1107091

5 installsMar 2026 – Sep 2026Chula Vista

Vibe Solar

Lancaster · CSLB #1036012

5 installsNov 2025 – Apr 2026Palmdale

Baker Home Energy

Escondido · CSLB #858088

3 installsMay 2026 – Jun 2026Chula Vista

Grid Alternatives

Oakland · CSLB #867533

3 installsApr 2024Palmdale

Paradise Renewables

La Mirada · CSLB #986062

3 installsApr 2026 – Jul 2026Palmdale

Powur Home Construction

Albuquerque · CSLB #1060243

3 installsJul 2026 – Aug 2026Chula Vista, Palmdale

and 33 more licensed installers

Compare with similar 290 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
Enphase Energy IQ8 Series	240 W–633 W	97.0%	27–45 V	Yes	2025	920
Enphase Energy IQ7 Series	190 W–384 W	97.5%	22–64 V	114 of 119	2022	471
Hoymiles HM-xxxNT	295 W–1.44 kW	96.5%	29–48 V	11 of 12	2023	3
Qcells Q.MI.380C-G2	330 W–380 W	97.0%	30–41 V	Yes	2026	—
Qcells Q.MI.xxxB-P2	384 W–384 W	97.0%	30–40 V	Yes	2026	—

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

Approved in other markets

Clean Energy Council (Australia)

Model	Approved	Expires	Standards
IQ8AC-72-M-ACM-INT	Mar 19, 2024	Mar 19, 2027	IEC 62109.1;IEC 62109.2;AS/NZS 4777.2:2020
IQ8AC-72-M-INT	Jul 13, 2023	Jan 9, 2027	IEC 62109.1;IEC 62109.2;AS/NZS 4777.2:2020
IQ8HC-72-M-ACM-INT	Mar 19, 2024	Mar 19, 2027	IEC 62109.1;IEC 62109.2;AS/NZS 4777.2:2020
IQ8HC-72-M-INT	Jul 13, 2023	Jan 9, 2027	IEC 62109.1;IEC 62109.2;AS/NZS 4777.2:2020
IQ8MC-72-M-ACM-INT	Jul 25, 2023	Jan 21, 2027	IEC 62109.1;IEC 62109.2;AS/NZS 4777.2:2020

About Enphase Energy

CEC Grid Support Inverter List (Oct 7, 2026)

ManufacturerEnphase Energy
Listed in CEC asEnphase Energy, Inc.
Websiteenphase.com
Models on CEC lists223

Other series

IQ7 Series · 471 permitsIQ8-3P Series · 1 permitsIQ9 SeriesIQ9-3P Series

Documents

manufacturer documents

PDF
IQ8 Series Microinverters data sheet
Datasheet · Enphase
PDF
IQ8 and IQ8+ Microinverters data sheet
Datasheet · Enphase
PDF
IQ8 Series Microinverters with integrated MC4 connectors data sheet
Datasheet · Enphase
PDF
IQ8 and IQ8+ Microinverters with MC4 connectors data sheet
Datasheet · Enphase
PDF
IQ8 Commercial Microinverters data sheet
Datasheet · Enphase
PDF
2024 11 01 Enphase IQ8 Microinverter Limited Warranty USA
Warranty · Enphase
PDF
Enphase IQ8 Microinverter Limited Warranty (US)
Warranty · Enphase
PDF
2024 09 01 Enphase IQ8 Microinverter Limited Warranty USA
Warranty · Enphase

Questions & answers

How efficient is the Enphase Energy IQ8 Series?

The California Energy Commission lists a weighted efficiency of 96.5–97.5% for Enphase Energy IQ8 Series models, measured at six power levels and three DC voltages. The datasheet states a peak efficiency of 97.6%.

What sizes does the Enphase Energy IQ8 Series come in?

The CEC list includes 12 models from 240 W to 633 W AC: IQ8-60-2-US, IQ8PLUS-72-2-US, IQ8MC-72-M-US, IQ8MC-72-M-US, IQ8M-72-2-US, IQ8AC-72-M-US, IQ8A-72-2-US, IQ8HC-72-M-DOM-US….

Is the Enphase Energy IQ8 Series certified to UL 1741 SB?

Yes — the CEC Grid Support Inverter List shows UL 1741 SB for 44 of 45 models.

Can the Enphase Energy IQ8 Series be used with a battery?

In Southern California permits it was installed with Enphase IQ Battery 5P, Enphase IQ Battery 10C, Tesla Powerwall 2.

What is the IQ8PLUS-72-2-US’s DC input voltage range?

Max DC input voltage is 60 V per the datasheet. MPPT operating range 29–45 V. CEC tested it at 27–45 V DC.

Who installs it in Southern California?

Building permits name this series 1104 times (Feb 2022 – Sep 2026). The most active licensed installers are Better Earth Electric Inc, South West Builders, Lgcy Electric.

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.
Enphase Energy — manufacturer datasheet “Easy to install IQ8M and IQ8A Microinverters • Lightweight and compact with plug-”.
Enphase Energy — manufacturer datasheet “IQ8 and IQ8+ Microinverters Easy to install energy systems.”.
Enphase Energy — document library on the manufacturer’s website (links above).
NLR (formerly NREL) — System Advisor Model CEC inverter library (version 2026.7.3).
Clean Energy Council (Australia) — approved inverter list (as of Oct 8, 2026).
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) (Feb 2022 – Aug 2026); City of Palmdale (Nov 2023 – Sep 2026); City of Huntington Beach (Feb 2024 – May 2026); City of Chula Vista (Mar 2026 – Sep 2026); LADBS, City of Los Angeles (Aug 2022 – Mar 2023); San Diego County (Feb 2025 – Apr 2025). Equipment matched from permit descriptions by model number.
Contractors State License Board — License Master (contractor names and license status), as of Oct 5, 2026.
Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).