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Solar power in Minnesota : ウィキペディア英語版 | Solar power in Minnesota
Solar power in Minnesota has been increasing, as the cost of photovoltaics has decreased. In 1983 Minnesota adopted a net metering rule which allows customers generating up to 40 kW to use net metering, with the kilowatt hour surplus rolled over each month, or optionally credited at the retail rate.〔(Minnesota - Net Metering )〕 In May 2013, the Minnesota legislature adopted a mandate on investor-owned utilities in the state that requires them to produce 1.5% of their electricity from solar power by 2020 with the bill also raising the state's cap on net metering from 40 kW to 1 MW. This mandate is in addition to the state's renewable portfolio standard of 25% by 2025 and it's estimated that affected utilities will have to add 450 MW of solar by 2020 to comply with the 1.5% requirement. Minnesota's largest solar array is the 600 kW array on the roof of the Minneapolis Convention Center,〔(Minneapolis Convention Center Solar Panel Project Finished Ahead of Schedule )〕 but a 2 MW array is being constructed in Slayton, as well as a 1.1 MW array in Bloomington.〔(Energy firm to put solar array near wind farms )〕 In January 2015, Ecolab announced it would be going 100% solar powered by purchasing power from community solar gardens to be built by SunEdison.〔(Ecolab to go all-solar in Minnesota ), DAVID SHAFFER, Star Tribune, January 13, 2015〕 Ecolab's share of the power would be 16MW, more than the amount of solar power in the state at the time of the announcement. If completely subscribed the solar gardens could provide up to 200MW. The Marshall Solar Energy Project is a proposed 62 MW solar farm that would be built on 500 acres near Marshall, Minnesota.〔(Planned solar farm in southwest MN draws fire from residents ), Mark Steil, ''Duluth News Tribune'', January 21, 2015〕 A 2012 estimate suggests that a typical 5 kW system will pay for itself in about 10 years. With incentives, a $25,000 system can be installed for a cost after the first year of $8,064, and will generate a profit of over $24,000 over its 25-year life.〔(Minnesota )〕 ==Statistics==
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