Tangshan Haitai New Energy Technology Co. Ltd. HTM650DMH8-66(1500)

Mono-c-Si

650 W Pmax

44.95 V Voc

18.1 A Isc

37.88 V Vmp

17.16 A Imp

20.9 % eff.

0.7989 FF

66 cells

Same test data as HTM650MH8-66(1500). CEC lists each frame, color and backsheet version as its own listing.

IV & PV Curves at STC (1000 W/m², 25 °C)

IV Curves at Multiple Conditions

Irradiance sweep at 25 °C

Temperature sweep at 1000 W/m²

Single-Diode Model Parameters

Source: California Energy Commission module list · retrieved via SAM library · energy.ca.gov · All data sources

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	650.021	W
PTC Power	PTC	606.1	W
Open-circuit voltage	V_oc_ref	44.95	V
Short-circuit current	I_sc_ref	18.1	A
Max-power voltage	V_mp_ref	37.88	V
Max-power current	I_mp_ref	17.16	A
Fill factor	FF	0.7989	—
Efficiency (STC)	η	20.9	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006878	A/°C
Voc temperature coefficient	beta_oc	-0.110577	V/°C
Pmax temperature coefficient	gamma_r	-0.345	%/°C
NOCT	T_NOCT	45.6	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.65081	V
Light-generated current (ref)	I_L_ref	18.10846	A
Saturation current (ref)	I_o_ref	2.68e-11	A
Series resistance	R_s	0.11052	Ω
Shunt resistance (ref)	R_sh_ref	236.494	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	14.077	%

Additional Model Sources

Source	Model type	Fit quality	Citation
CEC module list (via SAM library) Default	CEC / De Soto single-diode	—	https://www.energy.ca.gov/media/2367
Sandia PVsyst single-diode fit	PVsyst single-diode	NMBE Pmp-0.0124	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 66

Module area 3.11 m²

NOCT 45.6 °C

Temp. coefficient of Pmax -0.345 %/°C

Temp. coefficient of Voc -0.246 %/°C

Temp. coefficient of Isc 0.038 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

Same Test Data

2 listings with identical nameplate test data, one per frame, color or backsheet version.

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