Silfab Solar Inc. SIL290NL-W

Mono-c-Si

291 W Pmax

39.6 V Voc

9.54 A Isc

32.4 V Vmp

8.97 A Imp

17.83 % eff.

0.7693 FF

60 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	290.628	W
PTC Power	PTC	262.3	W
Open-circuit voltage	V_oc_ref	39.6	V
Short-circuit current	I_sc_ref	9.54	A
Max-power voltage	V_mp_ref	32.4	V
Max-power current	I_mp_ref	8.97	A
Fill factor	FF	0.7693	—
Efficiency (STC)	η	17.83	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.003053	A/°C
Voc temperature coefficient	beta_oc	-0.110484	V/°C
Pmax temperature coefficient	gamma_r	-0.379	%/°C
NOCT	T_NOCT	50.1	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.49852	V
Light-generated current (ref)	I_L_ref	9.55079	A
Saturation current (ref)	I_o_ref	3.14e-11	A
Series resistance	R_s	0.2934	Ω
Shunt resistance (ref)	R_sh_ref	259.46	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	7.3059	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.63 m²

NOCT 50.1 °C

Temp. coefficient of Pmax -0.379 %/°C

Temp. coefficient of Voc -0.279 %/°C

Temp. coefficient of Isc 0.032 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Annual degradation 0.5%/yr

Measured Data

No measured data yet for this module.

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