{
  "url": "https://openlegislation.uk/eu-regulation-2019-943/article-21",
  "json_url": "https://openlegislation.uk/eu-regulation-2019-943/article-21.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/21",
  "kind": "article",
  "number": "21",
  "heading": "General principles for capacity mechanisms",
  "text": "1. To eliminate residual resource adequacy concerns, the Secretary of State may, ... while implementing the measures referred to in Article 20(3) of this Regulation ..., introduce a capacity mechanism.\n2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n4. The Secretary of State shall not introduce a capacity mechanism where any resource adequacy assessment has ... not identified a resource adequacy concern.\n5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n6. The Secretary of State shall review the capacity mechanism and shall ensure that no new contracts are concluded under that mechanism where the resource adequacy assessment has not identified a resource adequacy concern ....\n7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Words in Art. 21(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. 20(2)(a)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in Art. 21(1) omitted (E.W.S.) (25.1.2025) by virtue of The Electricity Capacity Mechanism (Amendment) Regulations 2025 (S.I. 2025/74), regs. 1(2), 5(a)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in Art. 21(1) omitted (E.W.S.) (31.12.2020) by virtue of The State Aid (Revocations and Amendments) (EU Exit) Regulations 2020 (S.I. 2020/1470), reg. 1(2), Sch. 1 para. 10(5) (with Sch. 3)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Word in Art. 21(1) inserted (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. 20(2)(b)"
    },
    {
      "type": "F",
      "label": "F5",
      "text": "Word in Art. 21(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. 20(2)(c)"
    },
    {
      "type": "F",
      "label": "F6",
      "text": "Art. 21(2) 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. 20(3)"
    },
    {
      "type": "F",
      "label": "F7",
      "text": "Art. 21(3) omitted (E.W.S.) (25.1.2025) by virtue of The Electricity Capacity Mechanism (Amendment) Regulations 2025 (S.I. 2025/74), regs. 1(2), 5(b)"
    },
    {
      "type": "F",
      "label": "F8",
      "text": "Words in Art. 21(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. 20(5)(a)"
    },
    {
      "type": "F",
      "label": "F9",
      "text": "Words in Art. 21(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. 20(5)(b)"
    },
    {
      "type": "F",
      "label": "F10",
      "text": "Word in Art. 21(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. 20(5)(c)"
    },
    {
      "type": "F",
      "label": "F11",
      "text": "Word in Art. 21(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. 20(5)(d)"
    },
    {
      "type": "F",
      "label": "F12",
      "text": "Word in Art. 21(4) omitted (E.W.S.) (25.1.2025) by virtue of The Electricity Capacity Mechanism (Amendment) Regulations 2025 (S.I. 2025/74), regs. 1(2), 5(c)"
    },
    {
      "type": "F",
      "label": "F13",
      "text": "Art. 21(5) 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. 20(6)"
    },
    {
      "type": "F",
      "label": "F14",
      "text": "Words in Art. 21(6) 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. 20(7)(a)"
    },
    {
      "type": "F",
      "label": "F15",
      "text": "Word in Art. 21(6) 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. 20(7)(b)"
    },
    {
      "type": "F",
      "label": "F16",
      "text": "Word in Art. 21(6) 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. 20(7)(c)"
    },
    {
      "type": "F",
      "label": "F17",
      "text": "Word in Art. 21(6) 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. 20(7)(d)"
    },
    {
      "type": "F",
      "label": "F18",
      "text": "Words in Art. 21(6) 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. 20(7)(e)"
    },
    {
      "type": "F",
      "label": "F19",
      "text": "Art. 21(7) omitted (E.W.S.) (25.1.2025) by virtue of The Electricity Capacity Mechanism (Amendment) Regulations 2025 (S.I. 2025/74), regs. 1(2), 5(d)"
    },
    {
      "type": "F",
      "label": "F20",
      "text": "Art. 21(8) omitted (E.W.S.) (25.1.2025) by virtue of The Electricity Capacity Mechanism (Amendment) Regulations 2025 (S.I. 2025/74), regs. 1(2), 5(d)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2019/943/article/21",
    "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."
}