PVEnergy Posted October 8 Report Posted October 8 What is a good standard of deviation from global radiation (AM1.5)? We've been debating and we have been using either 10% or 7.5% for any area, was curious if anyone has an opinion or could give some advice. Cheers. Quote
hotline_oh Posted October 9 Report Posted October 9 Dear PVEnergy, Thank you for your inquiry. The spectral mismatch alters the module's efficiency curve, which was measured using a standard spectrum. We assume that an annual average correction factor of 1% can be expected in Central Europe. Quote
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