National solar power policy map

Where can I find information on NREL's solar resource data development?

For more information on NREL's solar resource data development, see the National Solar Radiation Database (NSRDB). The maps below illustrate select multiyear annual and monthly average maps and geospatial data from the National Solar Radiation Database (NSRDB) Physical Solar Model (PSM). The PSM covers most of the Americas.

Where can I find solar resource data?

Explore solar resource data via our online geospatial tools and downloadable maps and data sets. Access our tools to explore solar geospatial data for the contiguous United States and several international regions and countries.

Where can I find large-scale solar energy facilities?

RESTON, Va. - All large-scale solar energy facilities can now be found on a single map, thanks to the U.S. Geological Survey and the U.S. Department of Energy’s Lawrence Berkeley National Laboratory. This interactive map is based on the United States Large-Scale Solar Photovoltaic Database (USPVDB) and is called the USPVDB Viewer.

What is the annual solar DNI?

U.S. Annual Solar DNI (Print Format: 11”x17”) This map provides annual average daily total solar resource using 1998-2016 data (PSM v3) covering 0.038-degree latitude by 0.038-degree longitude (nominally 4 km x 4 km). For more information, please visit NSRDB or email NSRDB.