Silfab Solar Inc. SSG320P

Multi-c-Si

321 W Pmax

46.1 V Voc

9.06 A Isc

37.5 V Vmp

8.57 A Imp

16.48 % eff.

0.7695 FF

72 cells

Same test data as SLG320P. CEC lists each frame, color and backsheet version as its own listing.

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	321.375	W
PTC Power	PTC	289.8	W
Open-circuit voltage	V_oc_ref	46.1	V
Short-circuit current	I_sc_ref	9.06	A
Max-power voltage	V_mp_ref	37.5	V
Max-power current	I_mp_ref	8.57	A
Fill factor	FF	0.7695	—
Efficiency (STC)	η	16.48	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004983	A/°C
Voc temperature coefficient	beta_oc	-0.14291	V/°C
Pmax temperature coefficient	gamma_r	-0.408	%/°C
NOCT	T_NOCT	47.5	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.83952	V
Light-generated current (ref)	I_L_ref	9.06293	A
Saturation current (ref)	I_o_ref	1.18e-10	A
Series resistance	R_s	0.36318	Ω
Shunt resistance (ref)	R_sh_ref	1124.31	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	7.5001	%

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.95 m²

Dimensions 1.97 × 0.99 m

NOCT 47.5 °C

Temp. coefficient of Pmax -0.408 %/°C

Temp. coefficient of Voc -0.310 %/°C

Temp. coefficient of Isc 0.055 %/°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.

Same Test Data

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

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