Our Solar PV system supplier provided us a calculation of how much solar energy is generated per annum. It is projected that there will be a solar degradation factor of 1% each year. The calculation is projected up to 25 years. Since there is a decrease of energy generated each year, is it advisable to use the generated power on 1st year of operation when claiming savings on EAp2/EAc1?
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5868 thumbs up
February 10, 2015 - 8:41 am
I would not use the first year (best case). I would use an average year in the middle of the projected life for the output. This is a conservative approach.