Hanersun Energy Co Ltd HN18N-78HT640W

Mono-c-Si

640 W Pmax

56.4 V Voc

14.34 A Isc

47.18 V Vmp

13.57 A Imp

23.45 % eff.

0.7916 FF

78 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	640.233	W
PTC Power	PTC	607.9	W
Open-circuit voltage	V_oc_ref	56.4	V
Short-circuit current	I_sc_ref	14.34	A
Max-power voltage	V_mp_ref	47.18	V
Max-power current	I_mp_ref	13.57	A
Fill factor	FF	0.7916	—
Efficiency (STC)	η	23.45	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006553	A/°C
Voc temperature coefficient	beta_oc	-0.132202	V/°C
Pmax temperature coefficient	gamma_r	-0.3071	%/°C
NOCT	T_NOCT	43.1	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.98664	V
Light-generated current (ref)	I_L_ref	14.35111	A
Saturation current (ref)	I_o_ref	6.63e-12	A
Series resistance	R_s	0.21733	Ω
Shunt resistance (ref)	R_sh_ref	280.535	Ω
Cells in series	N_s	78	—
CEC Adjust factor	Adjust	8.8272	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 78

Module area 2.73 m²

NOCT 43.1 °C

Temp. coefficient of Pmax -0.307 %/°C

Temp. coefficient of Voc -0.234 %/°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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