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SWERA: Solar and Wind Energy Resource Assessment

Published by National Renewable Energy Laboratory | Department of Energy | Metadata Last Checked: October 17, 2025 | Last Modified: 2025-10-16T20:44:57Z
The Solar and Wind Energy Resource Assessment (SWERA) Program was a collaboration of worldwide partners with a mission to provide information on renewable energy resources for countries and regions around the world. Funding and support for the SWERA Program concluded in 2011, at which time all program data and information were archived for long-term availability. The program partners, which included the U.S. Department of Energy and NREL, are no longer supporting or maintaining the data. The SWERA data have been archived for historical purposes. However, it is suggested that users interested in global solar and wind resource data consult more recent sources. Here are a few suggested sources for more current and available renewable resource data: Solar - Global Solar Atlas (http://globalsolaratlas.info/) - U.S. National Solar Radiation Database (https://nsrdb.nrel.gov/data-viewer) - Renewable Energy Data Explorer (https://www.re-explorer.org/) - IRENA Global Atlas for Renewable Energy (https://globalatlas.irena.org/workspace) - NASA Surface Meteorology and Solar Energy: Global Datasets (https://power.larc.nasa.gov/) Wind - Global Wind Atlas (http://globalwindatlas.info/) - IRENA Global Atlas for Renewable Energy (https://globalatlas.irena.org/workspace) - WINDExchange: Wind Energy Maps and Data (https://windexchange.energy.gov/maps-data?height=80m) - Renewable Energy Data Explorer (https://www.re-explorer.org/) - USGS Wind Turbine Database (https://energy.usgs.gov/uswtdb/viewer/) - NREL WIND Toolkit (https://www.nrel.gov/grid/wind-toolkit.html) Climate - NASA Goddard Institute for Space Studies (http://data.giss.nasa.gov/) - NASA Surface Meteorology and Solar Energy: Global Datasets (https://power.larc.nasa.gov/)

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