{
 "id": "gb-generation-mix",
 "title": "Great Britain electricity generation mix, last full week",
 "category": "energy-environment",
 "summary": "Average share of Great Britain's electricity generation by fuel over the last seven full days, from the National Energy System Operator's Carbon Intensity API.",
 "unit": "percent",
 "chart": "donut",
 "volatile": false,
 "status": "",
 "notes": [
  "Shares are the simple average of NESO's half-hourly figures across the week; they may not sum to exactly 100 because NESO rounds each half-hour."
 ],
 "provenance": {
  "publisher": "National Energy System Operator (NESO)",
  "publisher_url": "https://carbonintensity.org.uk/",
  "source_page": "https://carbon-intensity.github.io/api-definitions/#generation",
  "licence": "CC-BY-4.0",
  "licence_name": "Creative Commons Attribution 4.0",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "Licensed under CC BY 4.0.",
  "retrieved_at": "2026-11-01T12:16:32Z",
  "raw_files": [
   {
    "name": "generation.json",
    "url": "https://api.carbonintensity.org.uk/generation/2026-10-25T00:00Z/2026-11-01T00:00Z",
    "sha256": "cc826d3d48d46810de972a321a419bc9fb3f666a2f2eb39e85d479d57de72455",
    "bytes": 109507,
    "content_type": "application/json"
   }
  ]
 },
 "meta": {
  "from": "2026-10-24T23:30Z",
  "to": "2026-11-01T00:00Z",
  "half_hours": 337
 },
 "headline": {
  "label": "Largest source: Wind",
  "value": 33.5,
  "period": "2026-10-24 to 2026-11-01"
 },
 "series": [
  {
   "name": "Share of generation",
   "points": [
    {
     "x": "Wind",
     "v": 33.5
    },
    {
     "x": "Gas",
     "v": 28.6
    },
    {
     "x": "Nuclear",
     "v": 15.2
    },
    {
     "x": "Biomass",
     "v": 8.0
    },
    {
     "x": "Imports",
     "v": 6.1
    },
    {
     "x": "Solar",
     "v": 3.5
    },
    {
     "x": "Other",
     "v": 2.5
    },
    {
     "x": "Hydro",
     "v": 2.5
    },
    {
     "x": "Coal",
     "v": 0.0
    }
   ]
  }
 ]
}