G-Star Pte Ltd GSD8R66T-615WT

Mono-c-Si

615 W Pmax

48.76 V Voc

15.79 A Isc

40.95 V Vmp

15.02 A Imp

22.95 % eff.

0.7989 FF

66 cells

Same test data as GSD8R66T-615BT. 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	615.069	W
PTC Power	PTC	585.3	W
Open-circuit voltage	V_oc_ref	48.76	V
Short-circuit current	I_sc_ref	15.79	A
Max-power voltage	V_mp_ref	40.95	V
Max-power current	I_mp_ref	15.02	A
Fill factor	FF	0.7989	—
Efficiency (STC)	η	22.95	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006584	A/°C
Voc temperature coefficient	beta_oc	-0.115317	V/°C
Pmax temperature coefficient	gamma_r	-0.2926	%/°C
NOCT	T_NOCT	43.1	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.6807	V
Light-generated current (ref)	I_L_ref	15.79755	A
Saturation current (ref)	I_o_ref	3.94e-12	A
Series resistance	R_s	0.16414	Ω
Shunt resistance (ref)	R_sh_ref	343.219	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	2.5466	%

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 66

Module area 2.68 m²

NOCT 43.1 °C

Temp. coefficient of Pmax -0.293 %/°C

Temp. coefficient of Voc -0.236 %/°C

Temp. coefficient of Isc 0.042 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

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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