Grape Solar GS-S-215-Fab1

Mono-c-Si

215 W Pmax

36.6 V Voc

7.9 A Isc

29.3 V Vmp

7.34 A Imp

11.3 % eff.

0.7438 FF

60 cells

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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	215.062	W
PTC Power	PTC	192.1	W
Open-circuit voltage	V_oc_ref	36.6	V
Short-circuit current	I_sc_ref	7.9	A
Max-power voltage	V_mp_ref	29.3	V
Max-power current	I_mp_ref	7.34	A
Fill factor	FF	0.7438	—
Efficiency (STC)	η	11.3	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.007884	A/°C
Voc temperature coefficient	beta_oc	-0.134285	V/°C
Pmax temperature coefficient	gamma_r	-0.4385	%/°C
NOCT	T_NOCT	46.8	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.58727	V
Light-generated current (ref)	I_L_ref	7.91293	A
Saturation current (ref)	I_o_ref	7.5e-10	A
Series resistance	R_s	0.36981	Ω
Shunt resistance (ref)	R_sh_ref	225.879	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	6.0437	%

The CEC list gives 72 cells in series, which puts 0.51 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 60 cells in series for the .PAN file and Similar Modules, found from Voc per cell and the CEC fit's ideality factor.

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 Pmp-0.4372	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60 (inferred, CEC lists 72)

Module area 1.903 m²

Dimensions 1.946 × 0.978 m

NOCT 46.8 °C

Temp. coefficient of Pmax -0.439 %/°C

Temp. coefficient of Voc -0.367 %/°C

Temp. coefficient of Isc 0.100 %/°C

CEC list Not on the 23 Jun 2026 list

Last listed 16 Nov 2022

Parameters from 16 Nov 2022 list

Measured Data

No measured data yet for this module.

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