Wuxi Suntech Power Co. Ltd STP290S-A20/Wfb

Mono-c-Si

290.055 W Pmax

39.3 V Voc

9.52 A Isc

31.7 V Vmp

9.15 A Imp

17.79 % eff.

0.7753 FF

60 cells

IV curves not yet precomputed for this module. Run python manage.py precompute_iv_curves to generate them.

CEC Single-Diode Model Parameters

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	290.055	W
PTC Power	PTC	267.8	W
Open-circuit voltage	V_oc_ref	39.3	V
Short-circuit current	I_sc_ref	9.52	A
Max-power voltage	V_mp_ref	31.7	V
Max-power current	I_mp_ref	9.15	A
Fill factor	FF	0.7753	—
Efficiency (STC)	η	17.79	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004094	A/°C
Voc temperature coefficient	beta_oc	-0.104538	V/°C
Pmax temperature coefficient	gamma_r	-0.354	%/°C
NOCT	T_NOCT	46.6	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.43998	V
Light-generated current (ref)	I_L_ref	9.61547	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.35317	Ω
Shunt resistance (ref)	R_sh_ref	12648.6	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	4.8999	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.63 m²

NOCT 46.6 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr