{
  "query": {
    "country": "GB",
    "market": "spot",
    "days": 2
  },
  "status": "ok",
  "price": {
    "currency": "GBP",
    "unit": "per MWh",
    "value": 162.57,
    "measure": "median",
    "median": 162.57,
    "typical_low": 101.3,
    "typical_high": 207.92,
    "min": 84.57,
    "max": 219.36
  },
  "sample_size": 95,
  "period": {
    "from": "2026-10-21",
    "to": "2026-10-23"
  },
  "confidence": "high",
  "price_type": "transaction",
  "as_of": "2026-10-23T12:11:39.504Z",
  "source": {
    "id": "gb-elexon-power",
    "name": "Elexon BMRS market index price",
    "publisher": "Elexon (Balancing Mechanism Reporting Service)",
    "licence": "Elexon BMRS data licence: free to use, including commercially, with attribution; no official status implied",
    "licence_url": "https://www.elexon.co.uk/data/balancing-mechanism-reporting-agent/copyright-licence-bmrs-data/",
    "attribution": "Contains BMRS data © Elexon Limited copyright and database right 2026. Source: Elexon BMRS Market Index Data, https://bmrs.elexon.co.uk. Medians, ranges and counts are own calculations by ProofPrice; Elexon does not endorse them.",
    "url": "https://bmrs.elexon.co.uk"
  },
  "method": "Median and 10th-90th percentile of the half-hourly traded spot price (pounds per MWh, not euro) for Great Britain over the last 2 day(s), from the Elexon BMRS Market Index (APX exchange; half-hours with no traded volume are left out). Each half-hour counts as one record. Wholesale exchange prices, not retail bills. Negative prices are kept.",
  "method_url": "https://proofprice.com/method",
  "summary": "Wholesale spot electricity in Great Britain: median 162.57 GBP/MWh (16.26 pence/kWh), typical half-hours between 101.3 and 207.92 GBP/MWh over the last 2 day(s). Not a household price. Based on 95 records from Elexon (Balancing Mechanism Reporting Service) (2026-10-21 to 2026-10-23). Confidence: high.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "pence_per_kwh": {
      "median": 16.26,
      "typical_low": 10.13,
      "typical_high": 20.79
    },
    "latest_half_hour": {
      "time_utc": "2026-10-23T11:30Z",
      "gbp_per_mwh": 207.61
    },
    "latest_24h_average_gbp_per_mwh": 160.87,
    "cheapest_half_hour": {
      "time_utc": "2026-10-23T03:30Z",
      "gbp_per_mwh": 84.57
    },
    "dearest_half_hour": {
      "time_utc": "2026-10-22T17:00Z",
      "gbp_per_mwh": 219.36
    },
    "negative_price_half_hours": 0,
    "currency_note": "Pounds sterling per MWh (this source is not in euro).",
    "basis": "Wholesale spot exchange price (APX market index, half-hourly); household bills add network charges, levies, taxes and margin."
  },
  "answer_id": "ans_82c1f5a6bce5d537dfc3",
  "method_version": "1",
  "retrieved_at": "2026-10-23T12:11:39.504Z",
  "evidence": {
    "type": "transaction",
    "label": "Recorded sale prices",
    "meaning": "Prices recorded in official records of completed sales: they show what others paid, not what a particular item is worth or what is on offer now."
  },
  "reliability": "record_level",
  "data_as_of": "2026-10-23",
  "data_age_days": 0,
  "suggestions": []
}