Construction of community Solar Gardens in MN has taken off in the last two years. The number of solar gardens built in MN increased sixfold in 2017, adding enough electricity to power about 32,000 homes. MN’s largest utility, Xcel Energy , alone plans to have over 125 solar gardens by the end of this year, producing over 450 megawatts. By comparison, Xcel’s largest coal-fired plant in Becker, MN, 45 miles northwest of the Twin Cities, produces about 680 megawatts. This week, October 8 th