{
  "query": {
    "country": "NO",
    "fuel": "diesel"
  },
  "status": "ok",
  "price": {
    "currency": "NOK",
    "unit": "per litre",
    "value": 27.52,
    "measure": "average",
    "median": null,
    "typical_low": null,
    "typical_high": null,
    "min": null,
    "max": null
  },
  "sample_size": null,
  "period": {
    "from": "2026-09-01",
    "to": "2026-09-30"
  },
  "confidence": "high",
  "price_type": "official_statistic",
  "statistic": {
    "measure": "average",
    "reference_period": "2026-09",
    "note": "A national monthly average for September 2026, not the price at a station: SSB publishes each month some weeks after it ends. Large move: diesel was 28.1% higher than in August 2026 (NOK 21.48). This is the figure SSB publishes; check it against the pump before relying on it."
  },
  "as_of": "2026-10-23T12:09:50.100Z",
  "source": {
    "id": "no-ssb-fuel",
    "name": "Prices on engine fuel, NOK per litre, by petroleum product and month (SSB table 09654)",
    "publisher": "Statistics Norway (SSB)",
    "licence": "Creative Commons Attribution 4.0 International (CC BY 4.0). SSB's licence page: \"You must give appropriate credit\" (Statistics Norway, SSB, with a link to www.ssb.no) and the material may be adapted and shared \"for any purpose, even commercially\". Re-use must not suggest that SSB endorses ProofPrice.",
    "licence_url": "https://www.ssb.no/en/diverse/lisens",
    "attribution": "Source: Statistics Norway (SSB), table 09654 Prices on engine fuel (https://www.ssb.no/en/statbank/table/09654), licensed CC BY 4.0. Changes made by ProofPrice: the newest monthly averages are passed on with the change on the previous month and a year earlier calculated from the same table. SSB does not endorse ProofPrice.",
    "url": "https://www.ssb.no/en/statbank/table/09654"
  },
  "method": "Norway (fuel): Statistics Norway (SSB) publishes, for every month, the national average retail price per litre of 95-octane unleaded petrol and of diesel, taxes included (table 09654, the prices collected for the Consumer Price Index). We read the last 14 months from the SSB PxWebApi and pass on the published average for the newest month, with the change on the previous month and on the same month a year earlier. It is a national monthly average with no count of stations, not a station price and not a live price.",
  "method_url": "https://proofprice.com/method",
  "summary": "The national average pump price of diesel in Norway was NOK 27.52 per litre in September 2026. That is 35.8% higher than a year earlier (NOK 20.27). This is a national monthly average published some weeks late, not a live pump price. Official average published by Statistics Norway (SSB) for 2026-09.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "country_name": "Norway",
    "fuel": {
      "requested": "diesel",
      "label": "diesel",
      "ssb_product_code": "035"
    },
    "reference_month": "2026-09",
    "change_on_previous_month": {
      "reference_month": "2026-08",
      "value": 21.48,
      "change_percent": 28.1
    },
    "change_on_year_earlier": {
      "reference_month": "2025-09",
      "value": 20.27,
      "change_percent": 35.8
    },
    "other_fuels_same_month": [
      {
        "fuel": "petrol95",
        "label": "95-octane unleaded petrol",
        "value": 26.18
      }
    ],
    "what_this_is": "National average pump price per litre for the month, taxes included, published by Statistics Norway. Not a station price and not a live price.",
    "dataset": {
      "name": "Prices on engine fuel, NOK per litre, by petroleum product and month (SSB table 09654)",
      "table": "09654",
      "url": "https://www.ssb.no/en/statbank/table/09654",
      "table_updated": "2026-10-21T06:00:00Z"
    },
    "attribution_notice": "Source: Statistics Norway (SSB), table 09654 Prices on engine fuel"
  },
  "answer_id": "ans_887f94881f43755800ab",
  "method_version": "1",
  "retrieved_at": "2026-10-23T12:09:50.100Z",
  "evidence": {
    "type": "official_statistic",
    "label": "Official published average",
    "meaning": "One average or median that a statistics office or regulator publishes for a reference period: it describes a group, not a distribution, and says nothing about any single price."
  },
  "reliability": "official_median_no_count",
  "data_as_of": "2026-09-30",
  "data_age_days": 23,
  "suggestions": [
    "This is one published figure (an average, median, index or listed price) with no record count: use it as a reference point, not as a range of what individuals paid.",
    "For a decision on a specific job or purchase, ask for an itemised quote."
  ]
}