ERoEI photovoltaic solar

Ferruccio Ferroni, R Hopkirk
Switzerland
2016
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Ferruccio Ferroni, Energy Consultant, Robert Hopkirk, Engineering Research & Development, Switzerland: Photovoltaic power sources in regions of moderate insolation are analyzed using the concept of Energy Return on Energy Invested (ERoEI or EROI. The results for regions of moderate insolation levels such as Switzerland and Germany indicate that at today's state of development, PV technology cannot offer an energy source but a NET ENERGY LOSS. Our advanced societies can only continue to develop if a surplus of energy is available, but it has become clear that photovoltaic energy at least will not help in any way to replace fossil fuels.




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