Existing API Users: Update any developer.nrel.gov references in your code to developer.nlr.gov. The previous developer.nrel.gov domain will experience scheduled service disruptions beginning May 1, 2026, and it will be shut down on May 29, 2026.
Learn more about the domain transition.
The National Laboratory of the Rockies (NLR) provides application programming interfaces (APIs) to help developers access and use energy data. These web services include renewable energy and alternative fuel data.
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