Wuxi Suntech Power Co. Ltd STP315S-20/Wfm

Mono-c-Si

314.962 W Pmax

40.6 V Voc

9.92 A Isc

33.4 V Vmp

9.43 A Imp

19.44 % eff.

0.782 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	314.962	W
PTC Power	PTC	289.7	W
Open-circuit voltage	V_oc_ref	40.6	V
Short-circuit current	I_sc_ref	9.92	A
Max-power voltage	V_mp_ref	33.4	V
Max-power current	I_mp_ref	9.43	A
Fill factor	FF	0.782	—
Efficiency (STC)	η	19.44	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004861	A/°C
Voc temperature coefficient	beta_oc	-0.133574	V/°C
Pmax temperature coefficient	gamma_r	-0.443	%/°C
NOCT	T_NOCT	43.6	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.68881	V
Light-generated current (ref)	I_L_ref	10.025	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.23045	Ω
Shunt resistance (ref)	R_sh_ref	398.648	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	9.9796	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.62 m²

NOCT 43.6 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr