SunPower SPR-E18-235

Mono-c-Si

234.9 W Pmax

48.4 V Voc

6.18 A Isc

40.5 V Vmp

5.8 A Imp

18.88 % eff.

0.7853 FF

72 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	234.9	W
PTC Power	PTC	216.0	W
Open-circuit voltage	V_oc_ref	48.4	V
Short-circuit current	I_sc_ref	6.18	A
Max-power voltage	V_mp_ref	40.5	V
Max-power current	I_mp_ref	5.8	A
Fill factor	FF	0.7853	—
Efficiency (STC)	η	18.88	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00241	A/°C
Voc temperature coefficient	beta_oc	-0.122936	V/°C
Pmax temperature coefficient	gamma_r	-0.324	%/°C
NOCT	T_NOCT	50.3	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.74672	V
Light-generated current (ref)	I_L_ref	6.18759	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.41549	Ω
Shunt resistance (ref)	R_sh_ref	338.478	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	6.1692	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.244 m²

Dimensions 1.559 × 0.798 m

NOCT 50.3 °C

CEC listing date 11/16/2022

Annual degradation 0.25%/yr

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