- The panel temperature
- The sunlight available at the location
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The panel parameters can be found in the Panels tab of the Solar tool.
Nominal Operating Cell Temperature. This is the temperature that the manufacturer expects the panels to heat up to during operation in nominal operating conditions, which are 800 W/m² irradiance, 20 C, a 45 degree tilt angle, and 1 m/s wind. It is typically between 45-48 C.
Temperature Coefficient of Power