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peak sun hours The equivalent number of hours per day when solar irradiance averages 1 kW/m2. For example, six peak sun hours means that the energy received during total daylight hours equals the energy that would have been received had the irradiance for six hours been 1 kW/m2. Related category • SOLAR ENERGY AND POWER Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) |