US Rooftop Solar Potential is Double the Previous NREL Estimate

Blair New Jersey

Blair New Jersey

The National Renewable Energy Laboratory (NREL) has conducted a new study to find exactly how much solar power potential the nation’s rooftops contain and they found that it’s far greater than once thought. The study set out to find how much electricity could be generated if every suitable roof area was covered with solar photovoltaic panels.

Using LiDAR (light detection and ranging) data, improved simulation software for solar PV generation and data analysis methods for 128 cities across the country, NREL updated their rooftop solar power estimate to 1,118 gigawatts (GW) of capacity and 1,432 terawatt-hours (TWh) of annual energy generation — that’s 39 percent of the country’s current electricity demand.

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Categories: Economic Indicators, Solar

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