Sunpal Power Co Ltd SP540M-72HB

Mono-c-Si

540 W Pmax

49.58 V Voc

13.82 A Isc

40.86 V Vmp

13.22 A Imp

20.94 % eff.

0.7883 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	540.169	W
PTC Power	PTC	507.6	W
Open-circuit voltage	V_oc_ref	49.58	V
Short-circuit current	I_sc_ref	13.82	A
Max-power voltage	V_mp_ref	40.86	V
Max-power current	I_mp_ref	13.22	A
Fill factor	FF	0.7883	—
Efficiency (STC)	η	20.94	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.007463	A/°C
Voc temperature coefficient	beta_oc	-0.12866	V/°C
Pmax temperature coefficient	gamma_r	-0.3041	%/°C
NOCT	T_NOCT	45.8	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.74639	V
Light-generated current (ref)	I_L_ref	13.82	A
Saturation current (ref)	I_o_ref	6.47e-12	A
Series resistance	R_s	0.2452	Ω
Shunt resistance (ref)	R_sh_ref	999999.517	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	-1.8277	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 2.58 m²

NOCT 45.8 °C

Temp. coefficient of Pmax -0.304 %/°C

Temp. coefficient of Voc -0.259 %/°C

Temp. coefficient of Isc 0.054 %/°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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