Marissa Hummon, Paul Denholm and Robert Margolis Impact of photovoltaic orientation on its relative economic value in wholesale energy markets Progress in Photovoltaics: Research and Applications 21
Historical solar irradiance and wholesale market prices are evaluated to assess the benefits of a variety of orientations for fixed and tracking photovoltaic arrays. We find that orienting fixed arrays slightly to the west of due south generally increases their economic value in the simulated systems because of the time-varying value of electricity. This effect is small, typically providing an increase in value from 1% to 5%.
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