LG Electronics Inc. LG275S1W-B3

Mono-c-Si

275 W Pmax

38.7 V Voc

9.26 A Isc

31.7 V Vmp

8.68 A Imp

17.33 % eff.

0.7678 FF

60 cells

Same test data as LG275S1C-B3 and 2 other listings. 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	275.156	W
PTC Power	PTC	252.6	W
Open-circuit voltage	V_oc_ref	38.7	V
Short-circuit current	I_sc_ref	9.26	A
Max-power voltage	V_mp_ref	31.7	V
Max-power current	I_mp_ref	8.68	A
Fill factor	FF	0.7678	—
Efficiency (STC)	η	17.33	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.002778	A/°C
Voc temperature coefficient	beta_oc	-0.11997	V/°C
Pmax temperature coefficient	gamma_r	-0.43	%/°C
NOCT	T_NOCT	43.7	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.55542	V
Light-generated current (ref)	I_L_ref	9.26998	A
Saturation current (ref)	I_o_ref	1.43e-10	A
Series resistance	R_s	0.26874	Ω
Shunt resistance (ref)	R_sh_ref	249.345	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	9.3145	%

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-0.1636	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 No

BIPV No

Cells in series 60

Module area 1.588 m²

Dimensions 1.62 × 0.98 m

NOCT 43.7 °C

Temp. coefficient of Pmax -0.430 %/°C

Temp. coefficient of Voc -0.310 %/°C

Temp. coefficient of Isc 0.030 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Annual degradation 0.33%/yr

Measured Data

No measured data yet for this module.

Same Test Data

4 listings with identical nameplate test data, one per frame, color or backsheet version.

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