{
  "url": "https://openlegislation.uk/eu-decision-2017-1442/annex/division-4/division-4.2/division-4.2.1/division-1",
  "json_url": "https://openlegislation.uk/eu-decision-2017-1442/annex/division-4/division-4.2/division-4.2.1/division-1.json",
  "legislation": "eudn/2017/1442",
  "legislation_title": "Commission Implementing Decision (EU) 2017/1442 of 31 July 2017 establishing best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council, for large combustion plants (notified under document C(2017) 5225) (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2017-1442",
  "path": "annex/division/4/division/4.2/division/4.2.1/division/1",
  "kind": "division",
  "number": "BAT 46",
  "heading": "In order to increase the energy efficiency of the combustion of iron and steel process gases, BAT is to use an appropriate combination of the techniques given in BAT 12 and below.",
  "text": "Technique\nDescription\nApplicability\na.\nProcess gas management system\nSee description in Section 8.2\nOnly applicable to integrated steelworks\nTable 27\nBAT-associated energy efficiency levels (BAT-AEELs) for the combustion of iron and steel process gases in boilers\nThese BAT-AEELs do not apply in the case of units operated < 1 500 h/yr.\nIn the case of CHP units, only one of the two BAT-AEELs ‘Net electrical efficiency’ or ‘Net total fuel utilisation’ applies, depending on the CHP unit design (i.e. either more oriented towards electricity generation or towards heat generation).\nThese BAT-AEELs do not apply to plants generating only electricity.\nThe wide range of energy efficiencies in CHP units is largely dependent on the local demand for electricity and heat.\nType of combustion unit\nBAT-AEELs\nNet electrical efficiency (%)\nNet total fuel utilisation (%)\nExisting multi-fuel firing gas boiler\n30–40\n50–84\nNew multi-fuel firing gas boiler\n36–42,5\n50–84\nTable 28\nBAT-associated energy efficiency levels (BAT-AEELs) for the combustion of iron and steel process gases in CCGTs\nThese BAT-AEELs do not apply in the case of units operated < 1 500 h/yr.\nIn the case of CHP units, only one of the two BAT-AEELs ‘Net electrical efficiency’ or ‘Net total fuel utilisation’ applies, depending on the CHP unit design (i.e. either more oriented towards electricity generation or towards heat generation).\nThese BAT-AEELs do not apply to plants generating only electricity.\nType of combustion unit\nBAT-AEELs\nNet electrical efficiency (%)\nNet total fuel utilisation (%)\nNew unit\nExisting unit\nCHP CCGT\n> 47\n40–48\n60–82\nCCGT\n> 47\n40–48\nNo BAT-AEEL",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "These BAT-AEELs do not apply in the case of units operated < 1 500 h/yr."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "In the case of CHP units, only one of the two BAT-AEELs ‘Net electrical efficiency’ or ‘Net total fuel utilisation’ applies, depending on the CHP unit design (i.e. either more oriented towards electricity generation or towards heat generation)."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "These BAT-AEELs do not apply to plants generating only electricity."
    },
    {
      "type": "footnote",
      "label": "f4",
      "text": "The wide range of energy efficiencies in CHP units is largely dependent on the local demand for electricity and heat."
    },
    {
      "type": "footnote",
      "label": "f5",
      "text": "These BAT-AEELs do not apply in the case of units operated < 1 500 h/yr."
    },
    {
      "type": "footnote",
      "label": "f6",
      "text": "In the case of CHP units, only one of the two BAT-AEELs ‘Net electrical efficiency’ or ‘Net total fuel utilisation’ applies, depending on the CHP unit design (i.e. either more oriented towards electricity generation or towards heat generation)."
    },
    {
      "type": "footnote",
      "label": "f7",
      "text": "These BAT-AEELs do not apply to plants generating only electricity."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2017/1442/annex/division/4/division/4.2/division/4.2.1/division/1",
    "retrieved_at": "2026-11-01T15:13:23.628050+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."
}