{
  "url": "https://openlegislation.uk/eu-regulation-2019-331/article-15",
  "json_url": "https://openlegislation.uk/eu-regulation-2019-331/article-15.json",
  "legislation": "eur/2019/331",
  "legislation_title": "Commission Delegated Regulation (EU) 2019/331 of 19 December 2018 determining transitional Union-wide rules for harmonised free allocation of emission allowances pursuant to Article 10a of Directive 2003/87/EC of the European Parliament and of the Council (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2019-331",
  "path": "article/15",
  "kind": "article",
  "number": "15",
  "heading": "Historical activity level for incumbent installations",
  "text": "1. The regulator shall assess the baseline data reports and verification reports submitted in accordance with Article 4(2) to ensure conformity with the requirements of this Regulation. Where appropriate, the regulator shall request corrections by the operators of any non-conformities or any errors, which impact on the determination of the historical activity levels. The regulator may request operators to submit more data in addition to the information and documents to be provided in accordance with Article 4(2).\n2. On the basis of the assessed baseline data reports and verification reports, the regulator shall determine historical activity levels of each sub-installation and installation for the relevant baseline period. But the regulator must not determine historical activity levels for an installation unless:\n(a)) the data relating to an installation has been verified as satisfactory or, where it has not been verified as satisfactory, the regulator considers that any data gaps referred to in the verifier's opinion are due to exceptional and unforeseeable circumstances that could not have been avoided even if all due care had been exercised; and\n(b)) any corrections requested under paragraph 1 have been made.\n3. The product-related historical activity level shall, for each product for which a product benchmark has been determined as referred to in Annex I, refer to the arithmetic mean of annual historical production of that product in the installation concerned during the baseline period.\n4. The heat-related historical activity level shall refer to the arithmetic mean of annual historical import from an installation covered by the EU ETS or UK ETS, production, or both, during the baseline period, of net measurable heat consumed within the installation's boundaries for the production of products, for the production of mechanical energy other than used for the production of electricity, for heating or cooling with the exception of the consumption for the production of electricity, or exported to an installation or other entity not covered by the EU ETS or UK ETS with the exception of the export for the production of electricity expressed as terajoule per year.\nThe district heating-related historical activity level shall refer to the arithmetic mean of annual historical import from an installation covered by the EU ETS or UK ETS, production, or both, during the baseline period, of measurable heat which is exported for the purposes of district heating expressed as terajoule per year.\n5. The fuel-related historical activity level shall refer to the arithmetic mean of annual historical consumption of fuels used for the production of non-measurable heat consumed for the production of products, for the production of mechanical energy other than used for the production of electricity, for heating or cooling with the exception of the consumption for the production of electricity, including safety flaring, during the baseline period expressed as terajoule per year.\n6. For process emissions, which occurred in relation with the production of products in the installation concerned during the baseline period, the process-related historical activity level shall refer to the arithmetic mean of annual historical process emissions expressed as tonnes of carbon dioxide equivalent.\n7. For the purposes of the determination of the arithmetic mean values referred to in paragraphs 3 to 6, only calendar years during which the installation has been operating for at least one day shall be taken into account.\nIf a sub-installation has been operating for less than two calendar years during the relevant baseline period, the historical activity levels shall be the activity levels of the first calendar year of operation after the start of normal operation of this sub-installation.\nIf a sub-installation has not been operating for a full calendar year after the start of normal operation during the baseline period, the historical activity level shall be determined when the activity level report after the first full calendar year of operation is submitted (see Article 3a of the Activity Level Changes Regulation); and in Articles 16 to 16b:\n(a)) “sub-installation” does not include such a sub-installation;\n(b)) a reference to an installation must be treated as a reference to the installation excluding such a sub-installation or, where the installation consists entirely of such sub-installations, as excluding the installation.\n8. By way of derogation from paragraph 3, the regulator shall determine the product-related historical activity level for products to which the product benchmarks referred to in Annex III apply on the basis of the arithmetic mean of annual historical production according to the formulas set out in that Annex.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Words in Art. 15(1) substituted (31.12.2020) by The Greenhouse Gas Emissions Trading Scheme (Amendment) Order 2020 (S.I. 2020/1557), art. 2(2), Sch. 1 para. 17(2)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in Regulation substituted (31.12.2020) by The Greenhouse Gas Emissions Trading Scheme (Amendment) Order 2020 (S.I. 2020/1557), art. 2(2), Sch. 1 para. 2"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in Art. 15(2) substituted (31.12.2020) by The Greenhouse Gas Emissions Trading Scheme (Amendment) Order 2020 (S.I. 2020/1557), art. 2(2), Sch. 1 para. 17(3)(a)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Words in Art. 15(2) substituted (31.12.2020) by The Greenhouse Gas Emissions Trading Scheme (Amendment) Order 2020 (S.I. 2020/1557), art. 2(2), Sch. 1 para. 17(3)(b)"
    },
    {
      "type": "F",
      "label": "F5",
      "text": "Words in Art. 15(4) inserted (31.12.2020) by The Greenhouse Gas Emissions Trading Scheme (Amendment) Order 2020 (S.I. 2020/1557), art. 2(2), Sch. 1 para. 17(4)"
    },
    {
      "type": "F",
      "label": "F6",
      "text": "Words in Art. 15(7) substituted (31.12.2020) by The Greenhouse Gas Emissions Trading Scheme (Amendment) Order 2020 (S.I. 2020/1557), art. 2(2), Sch. 1 para. 17(5)(a)"
    },
    {
      "type": "F",
      "label": "F7",
      "text": "Words in Art. 15(7) inserted (31.12.2020) by The Greenhouse Gas Emissions Trading Scheme (Amendment) Order 2020 (S.I. 2020/1557), art. 2(2), Sch. 1 para. 17(5)(b)"
    },
    {
      "type": "F",
      "label": "F8",
      "text": "Words in Art. 15(8) substituted (31.12.2020) by The Greenhouse Gas Emissions Trading Scheme (Amendment) Order 2020 (S.I. 2020/1557), art. 2(2), Sch. 1 para. 17(6)"
    },
    {
      "type": "C",
      "label": "C1",
      "text": "Art. 15 applied (with modifications) (31.3.2025) by The Greenhouse Gas Emissions Trading Scheme (Amendment) (No. 2) Order 2025 (S.I. 2025/124), arts. 2, 7(2)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2019/331/article/15",
    "retrieved_at": "2026-11-01T14:43:32.978234+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."
}