Solar output modeled with the PVWatts® Calculator API v8 from the National Laboratory of the Rockies (NLR, formerly NREL), using NSRDB typical-meteorological-year weather data. PVWatts® is a registered trademark of the Alliance for Energy Innovation, LLC. This site is independent and is not endorsed by NLR, the Alliance or the U.S. Department of Energy. City locations and populations: U.S. Census Bureau (2024 Gazetteer, 2024 cartographic boundaries, Vintage 2024 population estimates).
SunYieldMap is run by Emily Carter. Figures are model estimates for an unshaded roof in a typical year. © 2026