Hanwha Q CELLS Q.PLUS BFR G4.1 280

Multi-c-Si

280 W Pmax

38.97 V Voc

9.41 A Isc

31.67 V Vmp

8.84 A Imp

16.76 % eff.

0.7634 FF

60 cells

Same test data as Q.PLUS-G4.1/SC 280 and 2 other listings. CEC lists each frame, color and backsheet version as its own listing.

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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	279.963	W
PTC Power	PTC	256.7	W
Open-circuit voltage	V_oc_ref	38.97	V
Short-circuit current	I_sc_ref	9.41	A
Max-power voltage	V_mp_ref	31.67	V
Max-power current	I_mp_ref	8.84	A
Fill factor	FF	0.7634	—
Efficiency (STC)	η	16.76	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.003764	A/°C
Voc temperature coefficient	beta_oc	-0.113013	V/°C
Pmax temperature coefficient	gamma_r	-0.4	%/°C
NOCT	T_NOCT	45.4	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.51923	V
Light-generated current (ref)	I_L_ref	9.42027	A
Saturation current (ref)	I_o_ref	6.72e-11	A
Series resistance	R_s	0.30893	Ω
Shunt resistance (ref)	R_sh_ref	282.99	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	9.7626	%

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 Pmp0.0315	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.67 m²

Dimensions 1.67 × 1.0 m

NOCT 45.4 °C

Temp. coefficient of Pmax -0.400 %/°C

Temp. coefficient of Voc -0.290 %/°C

Temp. coefficient of Isc 0.040 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Annual degradation 0.5%/yr

Measured Data

Sandia PMatrixandTempCoData 2019 40 pts

Lab measurement · Pmp 20.3–304.6 W

Performance Matrix Temperature Coefficients

G: 100.0–1100.0 W/m²
Tcell: 15.0–75.0 °C

G (W/m²)	Tcell (°C)	Pmp (W)
100	15	26.9
100	25	25.8
100	50	23.1
100	75	20.3
200	15	55.6
200	25	53.6
200	50	48.2
200	75	42.6
400	15	114.1
400	25	109.8
400	50	99.3
400	75	88.1
600	15	172.9
600	25	166.3
600	50	150.6
600	75	133.9
800	15	231.2
800	25	222.6
800	50	201.2
800	75	179.1
1000	15	288.4
1000	15	288.2
1000	20	283.2
1000	25	278.0
1000	25	277.9
1000	30	272.6
1000	35	267.3
1000	40	261.8
1000	45	256.3
1000	50	250.6
1000	50	250.5
1000	55	245.4
1000	60	239.9
1000	65	234.2
1000	70	228.8
1000	75	222.8
1000	75	222.7
1100	25	304.6
1100	50	274.7
1100	75	244.2

Sandia National Laboratories — PV Module Performance Matrix and Temperature Coefficient Data (2019). https://pvpmc.sandia.gov/

Same Test Data

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

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