The average cost of an 11 kW rooftop solar installation after federal tax credits is $20,552 in the United States, said marketplace operator EnergySage. What will your utility-provided electricity cost over the next 25 years?From pv magazine USA The average solar shopper in the U. S. needs about 11 kW to cover their electricity usage, said solar marketplace provider EnergySage. After receiving the 30% federal investment tax credit, the average system cost is about $20,552. The average cost-per-watt across the United States is $2. 56 per watt before incentives, based on EnergySage data. Costs have ...Den vollständigen Artikel lesen ...
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