Sunny International Power SPM-290PB205

Multi-c-Si

290 W Pmax

43.9 V Voc

8.5 A Isc

35.4 V Vmp

8.2 A Imp

15.1 % eff.

0.7779 FF

72 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	290.28	W
PTC Power	PTC	262.7	W
Open-circuit voltage	V_oc_ref	43.9	V
Short-circuit current	I_sc_ref	8.5	A
Max-power voltage	V_mp_ref	35.4	V
Max-power current	I_mp_ref	8.2	A
Fill factor	FF	0.7779	—
Efficiency (STC)	η	15.1	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.007684	A/°C
Voc temperature coefficient	beta_oc	-0.156284	V/°C
Pmax temperature coefficient	gamma_r	-0.4463	%/°C
NOCT	T_NOCT	45.1	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.89341	V
Light-generated current (ref)	I_L_ref	8.5	A
Saturation current (ref)	I_o_ref	7.24e-10	A
Series resistance	R_s	0.26441	Ω
Shunt resistance (ref)	R_sh_ref	999994.448	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	8.4303	%

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.9227 m²

Dimensions 1.95 × 0.986 m

NOCT 45.1 °C

Temp. coefficient of Pmax -0.446 %/°C

Temp. coefficient of Voc -0.356 %/°C

Temp. coefficient of Isc 0.090 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

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