SunPower SPR-318E-WHT-D

Mono-c-Si

318.354 W Pmax

64.7 V Voc

6.2 A Isc

54.7 V Vmp

5.82 A Imp

19.52 % eff.

0.7936 FF

96 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	318.354	W
PTC Power	PTC	292.9	W
Open-circuit voltage	V_oc_ref	64.7	V
Short-circuit current	I_sc_ref	6.2	A
Max-power voltage	V_mp_ref	54.7	V
Max-power current	I_mp_ref	5.82	A
Fill factor	FF	0.7936	—
Efficiency (STC)	η	19.52	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.003828	A/°C
Voc temperature coefficient	beta_oc	-0.176437	V/°C
Pmax temperature coefficient	gamma_r	-0.386	%/°C
NOCT	T_NOCT	46.0	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	2.581	V
Light-generated current (ref)	I_L_ref	6.20399	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.35381	Ω
Shunt resistance (ref)	R_sh_ref	549.271	Ω
Cells in series	N_s	96	—
CEC Adjust factor	Adjust	22.0949	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 96

Module area 1.631 m²

Dimensions 1.559 × 1.046 m

NOCT 46.0 °C

CEC listing date 11/16/2022

Annual degradation 0.25%/yr

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