Hanersun Energy Co Ltd HN21-66HT635W

Mono-c-Si Bifacial

635 W Pmax

44.4 V Voc

18.27 A Isc

37.3 V Vmp

17.03 A Imp

20.96 % eff.

0.7831 FF

66 cells

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	635.219	W
PTC Power	PTC	599.4	W
Open-circuit voltage	V_oc_ref	44.4	V
Short-circuit current	I_sc_ref	18.27	A
Max-power voltage	V_mp_ref	37.3	V
Max-power current	I_mp_ref	17.03	A
Fill factor	FF	0.7831	—
Efficiency (STC)	η	20.96	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.008368	A/°C
Voc temperature coefficient	beta_oc	-0.111844	V/°C
Pmax temperature coefficient	gamma_r	-0.3232	%/°C
NOCT	T_NOCT	43.3	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.61511	V
Light-generated current (ref)	I_L_ref	18.29795	A
Saturation current (ref)	I_o_ref	2.04e-11	A
Series resistance	R_s	0.11805	Ω
Shunt resistance (ref)	R_sh_ref	77.16	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	8.8461	%

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 66

Module area 3.03 m²

NOCT 43.3 °C

Temp. coefficient of Pmax -0.323 %/°C

Temp. coefficient of Voc -0.252 %/°C

Temp. coefficient of Isc 0.046 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

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