{
  "url": "https://openlegislation.uk/eu-regulation-2015-2402/annex-II/division-Harmonised",
  "json_url": "https://openlegislation.uk/eu-regulation-2015-2402/annex-II/division-Harmonised.json",
  "legislation": "eur/2015/2402",
  "legislation_title": "Commission Delegated Regulation (EU) 2015/2402 of 12 October 2015 reviewing harmonised efficiency reference values for separate production of electricity and heat in application of Directive 2012/27/EU of the European Parliament and of the Council and repealing Commission Implementing Decision 2011/877/EU",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2015-2402",
  "path": "annex/II/division/Harmonised",
  "kind": "division",
  "number": "Harmonised efficiency reference values for separat",
  "heading": "(referred to in Article 1)",
  "text": "In the table below the harmonised efficiency reference values for separate production of heat are based on net calorific value and standard atmospheric ISO conditions (15 °C ambient temperature, 1,013 bar, 60 % relative humidity).\nIf steam plants do not account for the condensate return in their calculation of CHP heat efficiencies, the steam efficiencies shown in the table above should be increased by 5 percentage points.\nValues for direct use of exhaust gases should be used if the temperature is 250 °C or higher.\nCategory\nType of fuel:\nYear of construction\nBefore 2016\nFrom 2016\nHot water\nSteam\nDirect use of exhaust gases\nHot water\nSteam\nDirect use of exhaust gases\nSolids\nS1\nHard coal including anthracite, bituminous coal, sub-bituminous coal, coke, semi-coke, pet coke\n88\n83\n80\n88\n83\n80\nS2\nLignite, lignite briquettes, shale oil\n86\n81\n78\n86\n81\n78\nS3\nPeat, peat briquettes\n86\n81\n78\n86\n81\n78\nS4\nDry biomass including wood and other solid biomass including wood pellets and briquettes, dried woodchips, clean and dry waste wood, nut shells and olive and other stones\n86\n81\n78\n86\n81\n78\nS5\nOther solid biomass including all wood not included under S4 and black and brown liquor.\n80\n75\n72\n80\n75\n72\nS6\nMunicipal and industrial waste (non-renewable) and renewable/bio-degradable waste\n80\n75\n72\n80\n75\n72\nLiquids\nL7\nHeavy fuel oil, gas/diesel oil, other oil products\n89\n84\n81\n85\n80\n77\nL8\nBio-liquids including bio-methanol, bioethanol, bio-butanol, biodiesel and other bio-liquids\n89\n84\n81\n85\n80\n77\nL9\nWaste liquids including biodegradable and non-renewable waste (including tallow, fat and spent grain).\n80\n75\n72\n75\n70\n67\nGaseous\nG10\nNatural gas, LPG, LNG and biomethane\n90\n85\n82\n92\n87\n84\nG11\nRefinery gases hydrogen and synthesis gas\n89\n84\n81\n90\n85\n82\nG12\nBiogas produced from anaerobic digestion, landfill, and sewage treatment\n70\n65\n62\n80\n75\n72\nG13\nCoke oven gas, blast furnace gas, mining gas, and other recovered gases (excluding refinery gas)\n80\n75\n72\n80\n75\n72\nOther\nO14\nWaste heat (including high temperature process exhaust gases, product from exothermic chemical reactions)\n—\n—\n—\n92\n87\n—\nO15\nNuclear\n—\n—\n—\n92\n87\n—\nO16\nSolar thermal\n—\n—\n—\n92\n87\n—\nO17\nGeothermal\n—\n—\n—\n92\n87\n—\nO18\nOther fuels not mentioned above\n—\n—\n—\n92\n87\n—",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "If steam plants do not account for the condensate return in their calculation of CHP heat efficiencies, the steam efficiencies shown in the table above should be increased by 5 percentage points."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "Values for direct use of exhaust gases should be used if the temperature is 250 °C or higher."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2015/2402/annex/II/division/Harmonised",
    "retrieved_at": "2026-11-01T14:46:13.731886+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}