{
  "version": "2026-08-29",
  "geography": "United Kingdom",
  "scope": "Operational purchased-energy cost and direct gas plus location-based purchased-electricity emissions. Capital cost, maintenance, grid connection, refrigerant leakage, upstream fuel emissions, transmission losses and heat-distribution changes are excluded.",
  "defaults": {
    "useful_heat_mw": 1.0,
    "hours_per_year": 8000,
    "heat_pump_cop": 3.5,
    "boiler_efficiency": 0.9,
    "electricity_p_per_kwh": 24.3,
    "gas_p_per_kwh": 5.3,
    "electricity_kgco2e_per_kwh": 0.13096,
    "gas_kgco2e_per_kwh": 0.18231
  },
  "sources": {
    "prices": {
      "label": "DESNZ annual report 2025 to 2026: non-domestic energy prices",
      "url": "https://www.gov.uk/government/publications/desnz-annual-report-and-accounts-2025-to-2026/performance-report",
      "published": "2026-08-21",
      "evidence": "2025 provisional UK average across all non-domestic size bands including Climate Change Levy: electricity 24.3 p/kWh and gas 5.3 p/kWh. Businesses vary by size and exemptions."
    },
    "factors": {
      "label": "DESNZ greenhouse gas reporting conversion factors 2026",
      "url": "https://www.gov.uk/government/publications/greenhouse-gas-reporting-conversion-factors-2026",
      "download_url": "https://assets.publishing.service.gov.uk/media/6a6c9748862aaf18d9c62ac9/ghg-conversion-factors-2026-flat-format-revised.xlsx",
      "published": "2026-06-11",
      "updated": "2026-07-31",
      "download_sha256": "a9a455ab396dae226d510c7be6233748416d490c41a5d20f3dc7a0c45feecd5e",
      "electricity_factor_row": "7_400_4000_5_1",
      "gas_factor_row": "1_100_1004_6_1",
      "evidence": "Scope 2 UK electricity generated: 0.13096 kgCO2e/kWh. Scope 1 natural gas, gross CV: 0.18231 kgCO2e/kWh."
    },
    "temperature": {
      "label": "IEA Heat Pump Monitor 2026: key findings",
      "url": "https://www.iea.org/reports/heat-pump-monitor-2026/key-findings",
      "published": "2026-03-31",
      "evidence": "Industrial heat pumps below 120 C are in commercial operation; systems below 160 C are starting commercial operation; higher temperature bands remain at demonstration, prototype or concept stages in the cited monitor."
    },
    "cop_example": {
      "label": "IEA: Can low-temperature heat in factories be electrified competitively?",
      "url": "https://www.iea.org/commentaries/can-low-temperature-heat-in-factories-be-electrified-competitively",
      "published": "2024-09-19",
      "evidence": "The IEA illustration uses a heat-pump COP of 3.5 and explicitly notes that energy prices and site conditions drive competitiveness. It is an illustrative input, not a universal industrial COP."
    }
  }
}