CSI Solar Co. Ltd. CS6P-235P

Multi-c-Si
235 W Pmax
36.9 V Voc
8.46 A Isc
29.8 V Vmp
7.9 A Imp
15.2 % eff.
0.7541 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 235.42 W
PTC Power PTC 213.6 W
Open-circuit voltage V_oc_ref 36.9 V
Short-circuit current I_sc_ref 8.46 A
Max-power voltage V_mp_ref 29.8 V
Max-power current I_mp_ref 7.9 A
Fill factor FF 0.7541 —
Efficiency (STC) η 15.2 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.005389 A/°C
Voc temperature coefficient beta_oc -0.134833 V/°C
Pmax temperature coefficient gamma_r -0.4538 %/°C
NOCT T_NOCT 44.1 °C
Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 1.57379 V
Light-generated current (ref) I_L_ref 8.47 A
Saturation current (ref) I_o_ref 5.47e-10 A
Series resistance R_s 0.31714 Ω
Shunt resistance (ref) R_sh_ref 268.43 Ω
Cells in series N_s 60 —
CEC Adjust factor Adjust 3.6116 %
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 Pmp0.8092 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 1.549 m²
Dimensions 1.615 × 0.959 m
NOCT 44.1 °C
Temp. coefficient of Pmax -0.454 %/°C
Temp. coefficient of Voc -0.365 %/°C
Temp. coefficient of Isc 0.064 %/°C
CEC list On the 23 Jun 2026 list
Parameters from 16 Nov 2022 list
Annual degradation 0.55%/yr
Measured Data
No measured data yet for this module.
Same Test Data

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

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