name: Department of Energy API Plans & Pricing
description: Pricing and access plans for Department of Energy APIs including EIA Open Data, NREL/NLR Developer Network, and OSTI APIs.
url: https://raw.githubusercontent.com/api-evangelist/doe/refs/heads/main/plans/doe-plans-pricing.yml
plans:
  - name: Free (EIA Open Data)
    description: Free access to EIA energy data time-series API with API key registration. Covers electricity, natural gas, petroleum, coal, nuclear, and renewable energy datasets.
    url: https://www.eia.gov/opendata/
    price: 0
    currency: USD
    unit: month
    rateLimits:
      - type: rows-per-request
        limit: 5000
        period: request
        format: JSON
      - type: rows-per-request
        limit: 300
        period: request
        format: XML
    features:
      - Free API key via registration
      - Full access to all EIA energy datasets
      - JSON and XML response formats
      - Bulk file download option
      - Excel add-in available
    authentication: API Key (free registration required)

  - name: Free (NLR/NREL Developer Network)
    description: Free access to NREL/NLR renewable energy, transportation, solar, wind, wave, buildings, and climate APIs with API key. Sponsored by US Department of Energy.
    url: https://developer.nlr.gov/signup/
    price: 0
    currency: USD
    unit: month
    rateLimits:
      - type: requests
        limit: 1000
        period: hour
    features:
      - Buildings energy efficiency APIs
      - Climate resource data
      - Electricity cost and generation APIs
      - Energy optimization tools
      - Solar resource data
      - Transportation and alternative fuel APIs
      - Wave resource data
      - Wind resource data
    authentication: API Key (free registration required)

  - name: DEMO_KEY (NLR/NREL Developer Network)
    description: Demo key for evaluating NLR/NREL APIs without registration. Significantly rate-limited and intended for initial exploration only.
    url: https://developer.nlr.gov/docs/
    price: 0
    currency: USD
    unit: month
    rateLimits:
      - type: requests
        limit: 30
        period: hour
      - type: requests
        limit: 50
        period: day
    features:
      - No registration required
      - Explore APIs before signing up
    authentication: DEMO_KEY (no registration required)

  - name: Custom / Enterprise (NLR/NREL Developer Network)
    description: Higher rate limits for organizations needing increased API capacity. Contact the NLR developer team for custom arrangements.
    url: https://developer.nlr.gov/docs/rate-limits/
    price: 0
    currency: USD
    unit: month
    rateLimits:
      - type: requests
        limit: custom
        period: hour
    features:
      - Custom rate limits above 1,000 requests/hour
      - Contact support for pricing
    authentication: API Key

  - name: Free (OSTI.GOV API)
    description: Free open access to DOE Office of Scientific and Technical Information research publications and data. No authentication required.
    url: https://www.osti.gov/api/v1/docs
    price: 0
    currency: USD
    unit: month
    rateLimits: []
    features:
      - No API key required
      - Search DOE-funded research records
      - JSON, XML, and BibTeX formats
      - Pagination support
    authentication: None