Image: The Ray Image: The Ray

Highway-side solar could produce 36 TWh annually

A collaboration between universities, nonprofits, and a geospatial mapper led to development of a highway solar evaluation tool.

From pv magazine USA

Research published by the Webber Energy Group at the University of Texas at Austin and nonprofit group The Ray has led to a partnership with geographic information system (GIS) mapping company Esri to create a highway right-of-way (ROW) solar evaluation tool.

The study found that installing solar panels at highway exits could generate up to 36 TWh per year. That is enough to power 12 million passenger electric vehicles, and has an estimated value of energy of $4 billion per year, said Esri.

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By Ryan Kennedy

Ryan joined pv magazine in 2021, bringing experience from a top residential solar installer, and a U. S.

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(Source:; October 25, 2021;
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