NREL/NLR Developer Network APIs

The National Renewable Energy Laboratory (NREL, transitioning to NLR) Developer Network publishes a portfolio of REST APIs covering solar resource and PV simulation, alternative fuels and stations, electricity utilities and rates, transportation, geothermal, and energy economics. All APIs share a common API key model issued through api.data.gov. Existing developer.nrel.gov consumers must migrate to developer.nlr.gov by April 30, 2026.

API entry from apis.yml

apis.yml Raw ↑
aid: department-of-energy:nrel-developer-api
name: NREL/NLR Developer Network APIs
description: The National Renewable Energy Laboratory (NREL, transitioning to NLR) Developer Network publishes
  a portfolio of REST APIs covering solar resource and PV simulation, alternative fuels and stations,
  electricity utilities and rates, transportation, geothermal, and energy economics. All APIs share a
  common API key model issued through api.data.gov. Existing developer.nrel.gov consumers must migrate
  to developer.nlr.gov by April 30, 2026.
image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
humanURL: https://developer.nlr.gov/
baseURL: https://developer.nlr.gov/api
tags:
- Alternative Fuels
- Buildings
- Electricity
- Geothermal
- NREL
- Renewables
- Solar
- Transportation
properties:
- type: Documentation
  url: https://developer.nlr.gov/docs/
- type: Solar APIs
  url: https://developer.nlr.gov/docs/solar/
- type: Electricity APIs
  url: https://developer.nlr.gov/docs/electricity/
- type: Sign Up
  url: https://api.data.gov/signup/
- type: Data Catalog
  url: https://data.nlr.gov/
contact:
- FN: NREL Developer Network
  url: https://developer.nlr.gov/contact-us