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Rooftop solar panels are installed on a home in Englewood, Colorado. The Energy Department is working to streamline rooftop solar installations for faster, easier, and cheaper solar power. Image from Dennis Schroeder/NREL
Enlarge image
Rooftop solar panels are installed on a home in Englewood, Colorado. The Energy Department is working to streamline rooftop solar installations for faster, easier, and cheaper solar power. Image from Dennis Schroeder/NREL