FreeVolt ECP-PVGRAF-HC-BF560-144MT-B

Mono-c-Si

560 W Pmax

52.7 V Voc

12.84 A Isc

45.9 V Vmp

12.2 A Imp

21.7 % eff.

0.8276 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	559.98	W
PTC Power	PTC	532.2	W
Open-circuit voltage	V_oc_ref	52.7	V
Short-circuit current	I_sc_ref	12.84	A
Max-power voltage	V_mp_ref	45.9	V
Max-power current	I_mp_ref	12.2	A
Fill factor	FF	0.8276	—
Efficiency (STC)	η	21.7	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005393	A/°C
Voc temperature coefficient	beta_oc	-0.135439	V/°C
Pmax temperature coefficient	gamma_r	-0.292	%/°C
NOCT	T_NOCT	43.2	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.85619	V
Light-generated current (ref)	I_L_ref	12.84259	A
Saturation current (ref)	I_o_ref	5.93e-12	A
Series resistance	R_s	0.06431	Ω
Shunt resistance (ref)	R_sh_ref	318.735	Ω
Cells in series	N_s	24	—
CEC Adjust factor	Adjust	-0.7624	%

The CEC list gives 24 cells in series, which puts 2.20 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 (144 half cells).

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72 (inferred, CEC lists 24)

Module area 2.58 m²

NOCT 43.2 °C

Temp. coefficient of Pmax -0.292 %/°C

Temp. coefficient of Voc -0.257 %/°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.

ECP-PVGRAF-HC-BF560-144MT-B Main listing, this page
ECP-PVGRAF-HC-BF560-144MT-W

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