{
  "url": "https://openlegislation.uk/electricity-act-1989/section-6G",
  "json_url": "https://openlegislation.uk/electricity-act-1989/section-6G.json",
  "legislation": "ukpga/1989/29",
  "legislation_title": "Electricity Act 1989",
  "legislation_url": "https://openlegislation.uk/electricity-act-1989",
  "path": "section/6G",
  "kind": "section",
  "number": "6G",
  "heading": "Section 6F: meaning of “commissioning period”",
  "text": "(1) For the purposes of section 6F(3), transmission over a transmission system (or anything forming part of it) takes place during a “commissioning period” if it takes place at any time—\n(a) before a completion notice is given in respect of the system, or\n(b) during the period of 27 months beginning with the day on which such a notice is given.\n(2) A “completion notice”, in relation to a transmission system, is a notice which—\n(a) is given to the Authority by the relevant co-ordination licence holder in accordance with the co-ordination licence, and\n(b) states that it would be possible to carry on an activity to which section 4(1)(b) applies by making available for use that system.\n(3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n(4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n(5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n(6) In this section—\n“co-ordination licence” means a licence which authorises a person to co-ordinate and direct the flow of electricity onto and over a transmission system by means of which the transmission of electricity takes place and the whole or part of which is at a place in Great Britain, in the territorial sea adjacent to Great Britain or in a Renewable Energy Zone;\n“relevant co-ordination licence holder” means the holder of a co-ordination licence to whom a person has applied (in accordance with any provision made by that licence) for an offer of connection to and use of a transmission system for the purposes of which the tender exercise is held.",
  "extent": "E+W+S",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Ss. 6F-6H inserted (E.W.S.) (18.2.2014) by Energy Act 2013 (c. 32), ss. 147(3), 156(2)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Word in s. 6G(1) substituted (26.10.2023) by Energy Act 2023 (c. 52), s. 334(2)(i), Sch. 15 para. 6(2)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in s. 6G(1)(b) substituted (18.2.2026) by Planning and Infrastructure Act 2025 (c. 34), ss. 28, 118(1)(o) (with s. 116)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "S. 6G(3)-(5) omitted (26.10.2023) by virtue of Energy Act 2023 (c. 52), s. 334(2)(i), Sch. 15 para. 6(3)"
    },
    {
      "type": "F",
      "label": "F5",
      "text": "S. 6G(6) substituted (26.10.2023) by Energy Act 2023 (c. 52), s. 334(2)(i), Sch. 15 para. 6(4)"
    },
    {
      "type": "F",
      "label": "F6",
      "text": "Words in s. 6G(6) substituted (1.10.2024) by The Energy Act 2023 (Consequential Amendments) Regulations 2024 (S.I. 2024/706), regs. 1(1), 3(6); S.I. 2024/957, reg. 2(a)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ukpga/1989/29/section/6G",
    "retrieved_at": "2026-10-29T09:46:38.123919+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."
}