{
  "title": "GRID ATLAS source manifest",
  "schema_version": 1,
  "retrieved_at_utc": "2026-09-03T04:34:42.266108+00:00",
  "snapshot_commit": "f419e8f3a5e92f796f4f2e49ef5da187510d2f94",
  "snapshot_committed_at_utc": "2025-05-30T09:33:32Z",
  "vintage_note": "A deliberately archived May 2025 vintage. Annual observations stop at 2024. This is not the latest release or real-time data.",
  "upstream": "Our World in Data Energy dataset; electricity columns combine Ember (2025) and Energy Institute (2024). Ember takes priority in the pinned processing code.",
  "licenses": [
    {
      "producer": "Our World in Data",
      "license": "CC BY 4.0 for OWID-produced data/code; third-party terms remain applicable",
      "url": "https://github.com/owid/energy-data/blob/f419e8f3a5e92f796f4f2e49ef5da187510d2f94/README.md#license"
    },
    {
      "producer": "Ember",
      "license": "CC BY 4.0, as recorded in pinned OWID Ember source metadata",
      "url": "https://ember-energy.org/creative-commons/",
      "evidence": "data/raw/ember-metadata.yml"
    },
    {
      "producer": "Energy Institute",
      "license": "Third-party source; credited by the OWID codebook. No blanket relicensing of EI data is asserted here.",
      "url": "https://energyinst.org/statistical-review/resources-and-data-downloads"
    }
  ],
  "definitions": {
    "electricity_generation": "Annual domestic electricity output, TWh. Not installed capacity (GW) and not total primary energy.",
    "electricity_demand": "Generation plus net imports in the source accounting convention. Not household-only consumption.",
    "net_elec_imports": "Imports minus exports, TWh; negative values mean net exports.",
    "fossil_electricity": "Electricity generated from coal, gas and other fossil sources, TWh.",
    "low_carbon_electricity": "Renewables plus nuclear. Called clean as a source grouping, not zero environmental impact; bioenergy is included and has climate caveats.",
    "fossil_share_pct": "100 \u00d7 fossil electricity / domestic generation. Imports are excluded from the denominator.",
    "share_change_pp": "Ending share minus starting share in percentage points. Speed divides by elapsed years, not number of annual observations.",
    "other_clean_twh": "A visibly labeled calculated residual: low-carbon minus nuclear, hydro, wind and solar; includes bioenergy and other renewables, with rounding. It does not fill any missing source column."
  },
  "missing_values": "Empty source CSV cells become null in JSON and remain blank in cleaned CSV. They are never zero-filled or interpolated. Reported 0.000 remains a zero; upstream estimates or carried-forward imports cannot be identified row-by-row in this export.",
  "sources": [
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    {
      "id": "owid-owid-energy-codebook.csv",
      "url": "https://raw.githubusercontent.com/owid/energy-data/f419e8f3a5e92f796f4f2e49ef5da187510d2f94/owid-energy-codebook.csv",
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    {
      "id": "owid-README.md",
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    },
    {
      "id": "ember-metadata.yml",
      "url": "https://raw.githubusercontent.com/owid/etl/7962aa97c31ef73e1f93b84710614942bb647374/snapshots/ember/2025-05-12/yearly_electricity__global.csv.dvc",
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      "bytes": 1138,
      "note": "Pinned historical processing or source metadata."
    },
    {
      "id": "owid-electricity-mix.py",
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      "bytes": 23963,
      "note": "Pinned historical processing or source metadata."
    },
    {
      "id": "ember-methodology-current.pdf",
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      "bytes": 1492958,
      "note": "Current methodology reference; not a claim that the 2025 snapshot used this exact revision."
    }
  ],
  "methodology_urls": [
    "https://files.ember-energy.org/public-downloads/ember_electricity_data_methodology.pdf",
    "https://ourworldindata.org/electricity-mix"
  ]
}