First Solar Inc. FS-397-Plus

Thin Film
98 W Pmax
58.6 V Voc
2.29 A Isc
46.3 V Vmp
2.11 A Imp
13.57 % eff.
0.728 FF
146 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 97.693 W
PTC Power PTC 92.4 W
Open-circuit voltage V_oc_ref 58.6 V
Short-circuit current I_sc_ref 2.29 A
Max-power voltage V_mp_ref 46.3 V
Max-power current I_mp_ref 2.11 A
Fill factor FF 0.728 —
Efficiency (STC) η 13.57 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.000895 A/°C
Voc temperature coefficient beta_oc -0.146441 V/°C
Pmax temperature coefficient gamma_r -0.2492 %/°C
NOCT T_NOCT 44.6 °C
Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 1.89098 V
Light-generated current (ref) I_L_ref 2.30266 A
Saturation current (ref) I_o_ref 7.64e-14 A
Series resistance R_s 3.02927 Ω
Shunt resistance (ref) R_sh_ref 548.149 Ω
Cells in series N_s 146 —
CEC Adjust factor Adjust -17.9047 %
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-2.5116 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 Thin Film
Bifacial No
BIPV No
Cells in series 146
Module area 0.72 m²
Dimensions 1.2 × 0.6 m
NOCT 44.6 °C
Temp. coefficient of Pmax -0.249 %/°C
Temp. coefficient of Voc -0.250 %/°C
Temp. coefficient of Isc 0.039 %/°C
CEC list On the 23 Jun 2026 list
Parameters from 16 Nov 2022 list
Annual degradation 0.5%/yr
Measured Data
No measured data yet for this module.
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