Changzhou Eging Photovoltaic Technology EG-280M72-C

Mono-c-Si

280 W Pmax

44.4 V Voc

8.89 A Isc

35.42 V Vmp

7.91 A Imp

14.38 % eff.

0.7098 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	280.172	W
PTC Power	PTC	248.9	W
Open-circuit voltage	V_oc_ref	44.4	V
Short-circuit current	I_sc_ref	8.89	A
Max-power voltage	V_mp_ref	35.42	V
Max-power current	I_mp_ref	7.91	A
Fill factor	FF	0.7098	—
Efficiency (STC)	η	14.38	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.002667	A/°C
Voc temperature coefficient	beta_oc	-0.15984	V/°C
Pmax temperature coefficient	gamma_r	-0.48	%/°C
NOCT	T_NOCT	46.8	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.92192	V
Light-generated current (ref)	I_L_ref	8.94779	A
Saturation current (ref)	I_o_ref	7.66e-10	A
Series resistance	R_s	0.42517	Ω
Shunt resistance (ref)	R_sh_ref	65.408	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	8.2104	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.948 m²

Dimensions 1.968 × 0.99 m

NOCT 46.8 °C

Temp. coefficient of Pmax -0.480 %/°C

Temp. coefficient of Voc -0.360 %/°C

Temp. coefficient of Isc 0.030 %/°C

CEC list Not on the 23 Jun 2026 list

Last listed 16 Nov 2022

Parameters from 16 Nov 2022 list

Measured Data

No measured data yet for this module.

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