7.4 million megawatt-hours

Amount of electricity from solar energy the U.S. Energy Information Administration said was generated through June, enough to power about 685,000 homes per year, reports the Washington Examiner. “Aided by a mishmash of federal and state incentives, coupled with plummeting solar panel prices, installations are increasing all over the country — generation this year is more than double the 3.5 million megawatt-hours over the same period last year.”

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