generated: '2026-07-11' method: derived source: openapi/thermal-power-openapi.yml summary: types: - apiKey api_key_in: - query schemes: - name: apiKey type: apiKey in: query parameter: api_key description: EIA API key. Register for free at https://www.eia.gov/opendata/register.php sources: - openapi/thermal-power-openapi.yml