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.
Electricity
Services associated with electricity costs, generation, transmission, delivery, and monitoring.
OpenEI Utility Rates
Access complex utility rate structure information (across all sectors) for most U.S. utility companies from the National Utility Rate Database. This information is collected and quality controlled on a continual basis by Illinois State University on behalf of DOE and housed within the OpenEI.org platform.
Utility Rates (GET /api/utility_rates/v3)
This service returns annual average utility rates ($/kWH) for residential, commercial and industrial sectors as well as the local utility name for a specific location. This service does not return complex rate information.
Deprecated
Energy Incentives (Version 2 - Deprecated) (/api/energy_incentives/v2/dsire)
Deprecated: This service lists the incentives found in the DSIRE database by location.