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Many schools have begun installing solar panels to —reducereducedreducingreduction electricity costs and demonstrate environmental responsibility to students. The panels typically —generategeneratesgeneratedgeneration enough power to cover daytime classroom use, with any —surplussurplusedsurplusingsurplusly energy fed back into the grid. Over a decade, the savings can —offsetoffsettingoffsetsoffsetted the initial installation expense.