Solar Power (SPI) ES315PBFW

Multi-c-Si

315 W Pmax

46.4 V Voc

8.7 A Isc

38.2 V Vmp

8.25 A Imp

16.34 % eff.

0.7807 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	315.15	W
PTC Power	PTC	286.1	W
Open-circuit voltage	V_oc_ref	46.4	V
Short-circuit current	I_sc_ref	8.7	A
Max-power voltage	V_mp_ref	38.2	V
Max-power current	I_mp_ref	8.25	A
Fill factor	FF	0.7807	—
Efficiency (STC)	η	16.34	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006081	A/°C
Voc temperature coefficient	beta_oc	-0.150336	V/°C
Pmax temperature coefficient	gamma_r	-0.435	%/°C
NOCT	T_NOCT	45.5	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.9428	V
Light-generated current (ref)	I_L_ref	8.70013	A
Saturation current (ref)	I_o_ref	3.69e-10	A
Series resistance	R_s	0.29551	Ω
Shunt resistance (ref)	R_sh_ref	19927.2	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	12.923	%

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.929 m²

Dimensions 1.956 × 0.986 m

NOCT 45.5 °C

Temp. coefficient of Pmax -0.435 %/°C

Temp. coefficient of Voc -0.324 %/°C

Temp. coefficient of Isc 0.070 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Measured Data

No measured data yet for this module.

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