{
  "data": {
    "id": "stat_01M2KJ7XC3BMVT0FP162MBJPTV",
    "url": "https://statorigin.org/stat/stat_01M2KJ7XC3BMVT0FP162MBJPTV",
    "indicator": {
      "slug": "utility-scale-battery-storage-capacity-mw",
      "name": "Utility-scale battery storage capacity (MW)",
      "definition": "Total capacity of operational utility-scale battery storage facilities connected to the power system."
    },
    "industry": [
      {
        "slug": "utilities",
        "name": "Electricity, gas, steam and air conditioning supply",
        "isic": "D35",
        "is_primary": true
      }
    ],
    "region": {
      "code": "US",
      "name": "United States",
      "type": "country"
    },
    "period": {
      "start": "2025-12-01",
      "end": "2025-12-31",
      "type": "point"
    },
    "value": 500,
    "value_text": "500 MW",
    "unit": "MW",
    "currency": null,
    "scale": "1",
    "value_type": "actual",
    "source": {
      "org": "U.S. Energy Information Administration",
      "org_short_name": "EIA",
      "org_url": "https://www.eia.gov",
      "org_tier": 1,
      "document_title": "Battery storage capacity averaged 70% growth over the last three years",
      "document_url": "https://www.eia.gov/todayinenergy/detail.php?id=67925",
      "document_type": "press_release",
      "locator": "Battery storage capacity averaged 70% growth over the last three years",
      "quote": "The Bellefield Solar and Energy Storage Farm, which began operations in December 2025, couples 500 megawatts (MW) of photovoltaic capacity with 500 MW of nameplate power storage for the California Independent System Operator (CAISO).",
      "published_date": null,
      "accessed_at": "2026-09-15",
      "license": "see-source",
      "url_status": "ok"
    },
    "verification": "verified",
    "verified_by": "seed:auto-extract-v1",
    "verified_at": "2026-09-15T22:15:46.809Z",
    "confidence": 0.9,
    "is_secondhand": false,
    "supersedes": null,
    "superseded_by": null,
    "is_current": true,
    "citation": {
      "apa": "U.S. Energy Information Administration. (2025). Battery storage capacity averaged 70% growth over the last three years. Retrieved September 15, 2026, from https://www.eia.gov/todayinenergy/detail.php?id=67925. Via StatOrigin, https://statorigin.org/stat/stat_01M2KJ7XC3BMVT0FP162MBJPTV",
      "bibtex": "@misc{eia2025utilitymbjptv,\n  author       = {{U.S. Energy Information Administration}},\n  title        = {Battery storage capacity averaged 70\\% growth over the last three years},\n  year         = {2025},\n  howpublished = {StatOrigin, https://statorigin.org},\n  url          = {https://statorigin.org/stat/stat_01M2KJ7XC3BMVT0FP162MBJPTV},\n  note         = {Original source: https://www.eia.gov/todayinenergy/detail.php?id=67925. Accessed September 15, 2026.}\n}"
    },
    "updated_at": "2026-09-15T22:15:46.809Z",
    "contested_by": [],
    "related": []
  },
  "meta": {
    "attribution": "Data from StatOrigin (https://statorigin.org), CC BY 4.0. Attribution required.",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "docs": "https://statorigin.org/docs/api",
    "total": 1
  }
}