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Solar panelShanghai Aerospace Automobile…

Shanghai Aerospace Automobile Electromechanical HT60-156M(V) 300

Name: Shanghai Aerospace Automobile Electromechanical HT60-156M(V) 300
Brand: Shanghai Aerospace Automobile Electromechanical

60 cells. Power classes 280–325 W in the CEC list.

CEC listed · Jun 15, 2018UL 1703

Power class

Power (STC)300 WCEC nameplate
Efficiency≈18.4%calculated from area
%/°C Pmax−0.378CEC listing test
PTC / STC91.6%PTC 275 W (CEC)

Power classes

CEC PV Module List (Oct 7, 2026) · Cali-Graf calculation · 10 models

Model	Pmax	Voc, V	Isc, A	Vmp, V	Imp, A	Efficiency	PTC	CEC listed
HT60-156M(V)-280	280 W	38.60	9.32	32.40	8.65	≈17.2%	256 W	Jun 15, 2018
HT60-156M(V)-285	285 W	38.80	9.39	32.80	8.70	≈17.5%	261 W	Jun 15, 2018
HT60-156M(V)-290	290 W	39.00	9.46	33.20	8.75	≈17.8%	266 W	Jun 15, 2018
HT60-156M(V)-295	295 W	39.70	9.64	32.40	9.12	≈18.1%	270 W	Jun 15, 2018
HT60-156M(V)-300	300 W	39.90	9.71	32.80	9.16	≈18.4%	275 W	Jun 15, 2018
HT60-156M(V)-305	305 W	40.10	9.78	33.20	9.21	≈18.7%	285 W	Feb 3, 2020
HT60-156M(V)-310	310 W	40.30	9.85	33.60	9.25	≈19.0%	290 W	Feb 3, 2020
HT60-156M(V)-315	315 W	40.50	9.92	34.00	9.29	≈19.3%	295 W	Feb 3, 2020
HT60-156M(V)-320	320 W	40.70	9.99	34.40	9.33	≈19.6%	299 W	Feb 3, 2020
HT60-156M(V)-325	325 W	40.90	10.06	34.80	9.36	≈19.9%	304 W	Feb 3, 2020

≈ efficiency = Pmax ÷ CEC-listed area 1.63 m².

Build & dimensions

CEC PV Module List (Oct 7, 2026)

Module area1.63 m² (17.5 ft²)CEC-listed area
Cells60 cells
Back coverWhite backsheet

Heat & cold behaviour

CEC PV Module List (Oct 7, 2026) · Cali-Graf calculation

	CEC listing test
Pmax coefficient γ	−0.378 %/°C
Voc coefficient β	−0.270 %/°C
Isc coefficient α	+0.039 %/°C
Vmp coefficient	−0.375 %/°C
Operating cell temperature	NOCT 47.3 °C

Away from lab conditions — CEC listing test points

Class	Pmax at NOCT	Vmp × Imp at NOCT	Pmax at 200 W/m²	Low-light efficiency vs STC
280 W	207.5 W	28.76 V × 7.22 A	56.4 W	101%
285 W	211.3 W	29.11 V × 7.26 A	57.5 W	101%
290 W	215.1 W	29.47 V × 7.3 A	58.5 W	101%
295 W	218.8 W	28.76 V × 7.61 A	59.5 W	101%
300 W	222.5 W	29.11 V × 7.64 A	60.5 W	101%
305 W	234.8 W	31.22 V × 7.52 A	59.5 W	98%
310 W	238.7 W	31.59 V × 7.55 A	60.5 W	98%
315 W	242.6 W	31.97 V × 7.59 A	61.5 W	98%
320 W	246.5 W	32.35 V × 7.62 A	62.5 W	98%
325 W	250.2 W	32.72 V × 7.64 A	63.4 W	98%

Pmax = Vmp × Imp from the CEC listing; low-light efficiency = Pmax at 200 W/m² ÷ (20% of STC Pmax).

Independent reliability testing

Kiwa PVEL Scorecard

2022

PVEL Top Performer

closely related product name

Tests passed as Top Performer

DH, LID+LETID

PVEL Scorecards

Shanghai Aerospace Automobile Electromechanical named Top Performer, 2018–2026

PVEL Top Performer tests

Year	Product	Tests
2022	HT60-156M-xxx (closely related product name)	DHLID+LETID

Tested bill of materials

Cell technology (tested BOM)p-type PERC
Module design (tested BOM)Bifacial - glass//backsheet
Power class range tested305-350W

Details describe the tested sample, not every module of the series.

Inverter compatibility & string sizing

CEC PV Module List (Oct 7, 2026) · NLR PVWatts v8 · inverter datasheets · NLR SAM inverter library · CEC Grid Support Inverter List (Oct 7, 2026)

CityColdest air, °CHottest cell, °CString inverter

42.4 V

Voc when cold

per panel

26.8 V

Vmp when hot

per panel

Max panels / string

max DC 600 V

Min panels / string

MPPT from 60 V

Defaults come from NLR TMY weather (coldest hour, hottest modeled cell). Code calculations (NEC 690.7) use the ASHRAE extreme annual minimum, which is usually colder — enter it above. β is the CEC-measured coefficient; NEC 690.7 calculations use the datasheet value.

String inverters most named in SoCal permits

Inverter	Max DC input	MPPT	Window source	Panels per string
Tesla 1538000-xx-y	600 V	60–480 V	datasheet	3–14
Solis (Ginlong) S6-EH1P10K-H-US	600 V	80–520 V	datasheet	3–14
Solis (Ginlong) Solis-1P7.6K-4G-US	600 V	100–500 V	datasheet	4–14
Qcells Q.VOLT H7.6SX	498 V	234–498 V	CEC test window	9–11

Microinverters (one per panel)

Microinverter	Recommended module power	Max DC input	MPPT	Voc cold / Vmp hot	Check	DC/AC
Enphase IQ8PLUS-72-2-US	235–440 W	60 V	29–45 V	42.4 / 26.8 V	⚠ Works; below MPPT at peak heat	1.03
APsystems (Alt Power System) DS3-L	265–570 W	60 V	28–45 V	42.4 / 26.8 V	⚠ Works; below MPPT at peak heat	0.38
Enphase IQ8M-72-2-US	260–460 W	60 V	30–45 V	42.4 / 26.8 V	⚠ Works; below MPPT at peak heat	0.92
Enphase IQ8A-72-2-US	295–500 W	60 V	32–45 V	42.4 / 26.8 V	⚠ Works; below MPPT at peak heat	0.86

Voltage check against the microinverter datasheets — confirm the pairing on the manufacturer’s module compatibility list. Rows appear only when the panel’s power is inside the microinverter’s recommended module power range.

SolarEdge and other optimizer-based systems size strings by the optimizer rules — use the manufacturer’s designer. Reference inverters: most named in SoCal permits since Oct 2024.

Expected production in Southern California

NLR PVWatts v8 · Cali-Graf calculation

PanelsCity for chartSystem size

City	kWh / kW / yr	kWh / panel / yr	kWh / system / yr	Sun, kWh/m²/day
Los Angeles	1,676	503	11,564	6.08
Palmdale	1,835	550	12,662	6.69
Chula Vista	1,696	509	11,702	6.11
Huntington Beach	1,643	493	11,337	5.89
Riverside	1,696	509	11,702	6.21
Santa Clarita	1,724	517	11,896	6.28

Estimate for comparison, not a quote: shading, roof orientation and local losses change real output. Roof mount, 20° tilt, south, 14% system losses.

Compare with similar 300 W panels

CEC PV Module List (Oct 7, 2026) · Kiwa PVEL Scorecard · datasheets · building permits

Panel	Pmax	Efficiency	γ Pmax (CEC)	Voc, V	Isc, A	PVEL (product / brand)	SoCal permits (series)
Shanghai Aerospace Automobile Electromechanical HT60-156M(V) 300	300 W	≈18.4%	−0.378	39.9	9.71	brand 8×	—
REC Group REC300NP	300 W	≈18.5%	−0.351	39.6	9.85	brand 9× (2016–2025)	4
Silfab Solar SIL300NL	300 W	≈17.6%	−0.379	39.85	9.71	brand 7× (2017–2025)	2
AXITEC AC-305MH/120S	305 W	≈18.1%	−0.365	39.42	9.86	—	2

Same fields from the same sources for every row; ≈ efficiency is calculated from the listed area. Comparable series: other brands, same product group, power range covering this class.

Questions & answers

How efficient is the Shanghai Aerospace Automobile Electromechanical HT60-156M(V) 300?

Calculated from the panel area (1.63 m²): about 18.4% for the 300 W class. 300 W over 1.63 m² equals about 184 W per square meter.

How much energy does one panel produce in Los Angeles or Palmdale?

PVWatts v8 with typical-year weather gives about 503 kWh per year per 300 W panel in Los Angeles and about 550 kWh in Palmdale (20° roof, facing south, 14% system losses).

How much power does it lose on a hot roof?

With γ = −0.378 %/°C, at a 77 °C cell temperature (hottest modeled hour in Palmdale) output is about 19.6% below the STC rating.

How many panels fit on one string?

With the Tesla 1538000-xx-y (max DC 600 V, MPPT from 60 V, datasheet) in Los Angeles the calculator gives 3–14 panels per string (Voc at 2 °C = 42.4 V, Vmp at 74 °C cell = 26.8 V). Final design must follow the inverter manual and NEC 690.7.

Has this panel been reliability-tested?

HT60-156M-xxx was a PVEL Top Performer in 2022 (DH, LID+LETID) — a closely related product name.

Sources

California Energy Commission — Solar Equipment Lists, PV Module List, Inverter List (snapshot Oct 7, 2026).
Silfab Solar — datasheet SIL-310 NL BAA JUST ARRA -IN-.
AXITEC — manufacturer datasheet “AC-285M/156-60S AC-290M/156-60S 310–335 Wp AC-295M/156-60S”.
Kiwa PVEL — PV Module Reliability Scorecard, Top Performer lists 2018–2026.
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, Chula Vista, Huntington Beach, Riverside, Santa Clarita.
Inverter datasheets — APsystems (Alt Power System), Enphase, Solis (Ginlong), Tesla (manufacturer documents).
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).