NLR: Developer Network
Existing API Users:
Update any
developer.nrel.gov
references in your code to
developer.nlr.gov
by
April 30, 2026
, to avoid service interruptions.
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.
APIs & Documentation
Explore our web services and API documentation.
Buildings
Climate
Electricity
Energy Optimization
Solar
Transportation
Wave
Wind
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