OpenEI U.S. Utility Rate Database (URDB) API

OpenEI U.S. Utility Rate Database (URDB) API

OpenEI's U.S. Utility Rate Database (URDB) serves detailed electricity and gas tariff records for US utilities through a JSON/CSV REST API, free registered API key required. The API docs describe it: "Access complex utility rate structure information (across all sectors) for most U.S. utility companies from the U.S. Utility Rate Database. This information is collected and quality controlled on a continual basis by Illinois State University on behalf of DOE"

Coverage

Utility rate-structure records (residential, commercial, industrial and other sectors) for most U.S. utility companies, filterable by utility, sector, rate type and more, returned as JSON or CSV. "Maximum record count 500" per request (the limit parameter). Update cadence: Not stated.

Verdict

Detailed electricity and gas tariff/rate-structure records for most US utilities, collected for DOE by Illinois State University, via a JSON/CSV REST API, free registered API key required: "Access complex utility rate structure information (across all sectors) for most U.S. utility companies from the U.S. Utility Rate Database. This information is collected and quality controlled on a continual basis by Illinois State University on behalf of DOE" Licensed CC0-1.0: the OpenEI wiki's site-wide notice says "Content is available under Creative Commons Zero unless otherwise noted"; no override was found on the URDB wiki page, so that qualifier stays visible. Rate limits: "Maximum record count 500" per request (the limit parameter). Never put a real API key in a URL you share; request your own free key. Signal Lab links only.