GermanSolar USA Inc. GSM10-Agri-310W-CG
Mono-c-Si
310
W Pmax
30.58
V Voc
12.53
A Isc
26.42
V Vmp
11.73
A Imp
21.98
% eff.
0.8088
FF
42
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 | 309.907 | W |
| PTC Power | PTC | 294.3 | W |
| Open-circuit voltage | V_oc_ref | 30.58 | V |
| Short-circuit current | I_sc_ref | 12.53 | A |
| Max-power voltage | V_mp_ref | 26.42 | V |
| Max-power current | I_mp_ref | 11.73 | A |
| Fill factor | FF | 0.8088 | — |
| Efficiency (STC) | η | 21.98 | % |
| Temperature Coefficients | |||
| Isc temperature coefficient | alpha_sc | 0.005538 | A/°C |
| Voc temperature coefficient | beta_oc | -0.069768 | V/°C |
| Pmax temperature coefficient | gamma_r | -0.2964 | %/°C |
| NOCT | T_NOCT | 43.4 | °C |
| Single-Diode (De Soto) Parameters | |||
| Modified ideality factor | a_ref | 1.04957 | V |
| Light-generated current (ref) | I_L_ref | 12.53997 | A |
| Saturation current (ref) | I_o_ref | 2.7e-12 | A |
| Series resistance | R_s | 0.06286 | Ω |
| Shunt resistance (ref) | R_sh_ref | 78.97 | Ω |
| Cells in series | N_s | 84 | — |
| CEC Adjust factor | Adjust | 5.1047 | % |
The CEC list gives 84 cells in series, which puts 0.36 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 42 cells in series for the .PAN file and Similar Modules, found from half the CEC count (it counts every half cell).
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Module Specifications
Technology
Mono-c-Si
Bifacial
No
BIPV
No
Cells in series
42 (inferred, CEC lists 84)
Module area
1.41 m²
NOCT
43.4 °C
Temp. coefficient of Pmax
-0.296 %/°C
Temp. coefficient of Voc
-0.228 %/°C
Temp. coefficient of Isc
0.044 %/°C
CEC list
On the 23 Jun 2026 list
Parameters from
23 Jun 2026 list
Measured Data
No measured data yet for this module.
Related Models
Similar Modules
Other manufacturers, same technology and cell count, power within 3 %.
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