{
  "url": "https://openlegislation.uk/eu-regulation-2019-943/article-25",
  "json_url": "https://openlegislation.uk/eu-regulation-2019-943/article-25.json",
  "legislation": "eur/2019/943",
  "legislation_title": "Regulation (EU) 2019/943 of the European Parliament and of the Council of 5 June 2019 on the internal market for electricity (recast) (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2019-943",
  "path": "article/25",
  "kind": "article",
  "number": "25",
  "heading": "Reliability standard",
  "text": "1. The capacity mechanism shall have a reliability standard in place. A reliability standard shall indicate the necessary level of security of supply ... in a transparent manner. ...\n2. The reliability standard shall be set by the Secretary of State in accordance with regulation 6 of the Electricity Capacity Regulations 2014.\n3. The reliability standard shall be calculated using at least the value of lost load and the cost of new entry over a given timeframe and shall be expressed as ‘expected energy not served’ and ‘loss of load expectation’.\n4. When applying capacity mechanisms, the parameters determining the amount of capacity procured in the capacity mechanism shall be approved by the the Secretary of State.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Words in Art. 25(1) substituted (E.W.S.) (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 4 para. 24(2)(a)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in Art. 25(1) omitted (E.W.S.) (31.12.2020) by virtue of The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 4 para. 24(2)(b)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in Art. 25(1) omitted (E.W.S.) (31.12.2020) by virtue of The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 4 para. 24(2)(c)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Art. 25(2) substituted (E.W.S.) (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 4 para. 24(3)"
    },
    {
      "type": "F",
      "label": "F5",
      "text": "Words in Art. 25(4) substituted (E.W.S.) (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 4 para. 24(4)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2019/943/article/25",
    "retrieved_at": "2026-11-01T14:43:20.321785+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."
}