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How much does a rooftop solar DC bridge cost
Solar panel installation costs in Washington, D., average $29,161, but range from $19,527 to $39,197, depending on the system size and roof conditions. special—the district has some of the country's best solar incentives., which will cost you about $21,321 after the federal tax credit. 13 kW system to match the average electric bill. It'll cost. . NLR analyzes the total costs associated with installing photovoltaic (PV) systems for residential rooftop, commercial rooftop, and utility-scale ground-mount systems. The Renewable Portfolio Standard Expansion Amendment Act of 2016 established the District's Solar for All Program (Solar for All).