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PV loss due to irradiance


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The Irradiance loss is related to the low-light efficiency behavior of your PV module. The loss (or eventual gain) is calculated at each step of the simulation.

Now the losses will diminish (or even become gains) when:

- The climate is extremely sunny (many high irradiance hours)

- The low-light performance of the module is high. This performance is related to the Rserie choice. If you are using PAN files from a manufacturer, be aware that some manufacturers may increase the Rserie for increasing this low-light efficiency. See our FAQ How are specified the PAN files in the PVsyst database ?

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