JavierGV Posted October 7, 2016 Share Posted October 7, 2016 I found the next text on the help about the performance ratio: "Unlike the "Specific energy production" indicator, expressed in [kWh/kWp/year], the PR is not directly dependent on the meteo input or plane orientation. It is related to the system quality, and allows the comparison between installations in different locations and orientations".For a given system (array + place) PR varies with the meteo data used (irradiation + temperature).The different values for the PR for each month of the year can be seen on the report and the difference between months is the meteo data (different irradiation and different temperature).The same irradiation data with diferent temperature data will result in a different PR.How could you compare between two installations in different locations and orientations with different meteo data? Link to comment Share on other sites More sharing options...
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