SunPower SPR-E20-335

Mono-c-Si

335 W Pmax

67.9 V Voc

6.61 A Isc

54.7 V Vmp

6.12 A Imp

20.54 % eff.

0.7459 FF

96 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	334.764	W
PTC Power	PTC	310.6	W
Open-circuit voltage	V_oc_ref	67.9	V
Short-circuit current	I_sc_ref	6.61	A
Max-power voltage	V_mp_ref	54.7	V
Max-power current	I_mp_ref	6.12	A
Fill factor	FF	0.7459	—
Efficiency (STC)	η	20.54	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.002247	A/°C
Voc temperature coefficient	beta_oc	-0.184009	V/°C
Pmax temperature coefficient	gamma_r	-0.36	%/°C
NOCT	T_NOCT	46.2	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	2.51683	V
Light-generated current (ref)	I_L_ref	6.63043	A
Saturation current (ref)	I_o_ref	1.23e-11	A
Series resistance	R_s	0.90484	Ω
Shunt resistance (ref)	R_sh_ref	292.826	Ω
Cells in series	N_s	96	—
CEC Adjust factor	Adjust	5.5602	%

Additional Model Sources

Source	Model type	Fit quality	Citation
CEC module list (via SAM library) Default	CEC / De Soto single-diode	—	https://www.energy.ca.gov/media/2367
Sandia PVsyst single-diode fit	PVsyst single-diode	NMBE Pmp0.0432	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

Actions

Open in PV Explorer Generate PAN File Datasheet not on file CEC Source Data

Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 96

Module area 1.63 m²

NOCT 46.2 °C

Temp. coefficient of Pmax -0.360 %/°C

Temp. coefficient of Voc -0.271 %/°C

Temp. coefficient of Isc 0.034 %/°C

CEC list Not on the 23 Jun 2026 list

Last listed 16 Nov 2022

Parameters from 16 Nov 2022 list

Annual degradation 0.25%/yr

Measured Data

No measured data yet for this module.

Same Test Data

3 listings with identical nameplate test data, one per frame, color or backsheet version.

Related Models

Similar Modules

Other manufacturers, same technology and cell count, power within 3 %.