U.S. Solar USS-QCMI2-60-230

Multi-c-Si

230 W Pmax

36.68 V Voc

8.5 A Isc

28.75 V Vmp

8.0 A Imp

14.02 % eff.

0.7377 FF

60 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	230.0	W
PTC Power	PTC	206.8	W
Open-circuit voltage	V_oc_ref	36.68	V
Short-circuit current	I_sc_ref	8.5	A
Max-power voltage	V_mp_ref	28.75	V
Max-power current	I_mp_ref	8.0	A
Fill factor	FF	0.7377	—
Efficiency (STC)	η	14.02	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004335	A/°C
Voc temperature coefficient	beta_oc	-0.121411	V/°C
Pmax temperature coefficient	gamma_r	-0.452	%/°C
NOCT	T_NOCT	45.9	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.5011	V
Light-generated current (ref)	I_L_ref	8.50317	A
Saturation current (ref)	I_o_ref	2.07e-10	A
Series resistance	R_s	0.45117	Ω
Shunt resistance (ref)	R_sh_ref	1209.84	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	5.8905	%

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-0.0896	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 Multi-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.64 m²

Dimensions 1.653 × 0.992 m

NOCT 45.9 °C

Temp. coefficient of Pmax -0.452 %/°C

Temp. coefficient of Voc -0.331 %/°C

Temp. coefficient of Isc 0.051 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Measured Data

No measured data yet for this module.

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