One of the most common questions in solar is:

How much energy (megawatt hours / MWh) comes from 1 megawatt (MW) of solar power?

The answer varies tremendously based on the geographic location and the amount of sunshine but a US national average can be calculated by using capacity factor data from the US Energy Information Administration (EIA).

On average, across the US, the capacity factor of solar is 24.5%. This means that solar panels will generate 24.5% of their potential output, assuming the sun shone perfectly brightly 24 hours a day.

1 megawatt (MW) of solar panels will generate 2,146 megawatt hours (MWh) of solar energy per year.


Download the full spreadsheet via the button at the bottom of the embedded Excel document.

Code: m147 GWhSolPerMW math xbMath

Leave a Reply