REC Solar REC650AA Pro L

Mono-c-Si Bifacial

650 W Pmax

49.1 V Voc

16.14 A Isc

42.2 V Vmp

15.4 A Imp

21.24 % eff.

0.8201 FF

66 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	649.88	W
PTC Power	PTC	608.7	W
Open-circuit voltage	V_oc_ref	49.1	V
Short-circuit current	I_sc_ref	16.14	A
Max-power voltage	V_mp_ref	42.2	V
Max-power current	I_mp_ref	15.4	A
Fill factor	FF	0.8201	—
Efficiency (STC)	η	21.24	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006779	A/°C
Voc temperature coefficient	beta_oc	-0.130606	V/°C
Pmax temperature coefficient	gamma_r	-0.327	%/°C
NOCT	T_NOCT	45.6	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.79	V
Light-generated current (ref)	I_L_ref	16.1421	A
Saturation current (ref)	I_o_ref	2.02e-11	A
Series resistance	R_s	0.07844	Ω
Shunt resistance (ref)	R_sh_ref	603.809	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	3.9578	%

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-0.1018	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 66

Module area 3.06 m²

NOCT 45.6 °C

Temp. coefficient of Pmax -0.327 %/°C

Temp. coefficient of Voc -0.266 %/°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.

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