A new report released today by the Institute for Energy and Environmental Research shows that Minnesota can meet 100% of its electricity needs with in-state wind and solar power, and (with ample energy efficiency investments) at a comparable cost to its existing electricity supply.
The notion that solar and wind energy cannot be the mainstay of an electricity generation system because they are intermittent is incorrect...it is technically and economically feasible to meet the entire 2007 electricity demand of Xcel Energy [in Minnesota] using only renewable energy generation combined with storage technology and energy efficiency improvements...a 100 percent renewable energy-based electricity system for Minnesota increases rates by a mere 1-2 cents per kilowatt hour when sufficient reasonable and economical investments are made in energy efficiency
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