GCL System Integration Technology Co. Ltd. GCL-P6/72B320

Multi-c-Si

320 W Pmax

45.8 V Voc

9.17 A Isc

37.4 V Vmp

8.56 A Imp

16.5 % eff.

0.7623 FF

72 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	320.144	W
PTC Power	PTC	288.6	W
Open-circuit voltage	V_oc_ref	45.8	V
Short-circuit current	I_sc_ref	9.17	A
Max-power voltage	V_mp_ref	37.4	V
Max-power current	I_mp_ref	8.56	A
Fill factor	FF	0.7623	—
Efficiency (STC)	η	16.5	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006144	A/°C
Voc temperature coefficient	beta_oc	-0.15572	V/°C
Pmax temperature coefficient	gamma_r	-0.443	%/°C
NOCT	T_NOCT	46.6	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.93324	V
Light-generated current (ref)	I_L_ref	9.18088	A
Saturation current (ref)	I_o_ref	4.63e-10	A
Series resistance	R_s	0.31409	Ω
Shunt resistance (ref)	R_sh_ref	264.724	Ω
Cells in series	N_s	1	—
CEC Adjust factor	Adjust	9.1816	%

The CEC list gives 1 cells in series, which puts 45.80 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 72 cells in series for the .PAN file and Similar Modules, found from the model name (72 cells).

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 72 (inferred, CEC lists 1)

Module area 1.94 m²

NOCT 46.6 °C

Temp. coefficient of Pmax -0.443 %/°C

Temp. coefficient of Voc -0.340 %/°C

Temp. coefficient of Isc 0.067 %/°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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