{
  "url": "https://openlegislation.uk/electricity-standards-of-performance-regulations-2015/regulation-4",
  "json_url": "https://openlegislation.uk/electricity-standards-of-performance-regulations-2015/regulation-4.json",
  "legislation": "uksi/2015/699",
  "legislation_title": "The Electricity (Standards of Performance) Regulations 2015",
  "legislation_url": "https://openlegislation.uk/electricity-standards-of-performance-regulations-2015",
  "path": "regulation/4",
  "kind": "regulation",
  "number": "4",
  "heading": "Supply Restoration Standards of Performance for Electricity Distributors",
  "text": "(1) In this regulation and regulations 5, 6, 7, 8 and 9—\n“category 1 severe weather conditions” means—\n(a) conditions in which no less than eight times the daily mean faults at distribution higher voltage on the designated electricity distributor’s distribution system at distribution higher voltage in a 24-hour period are caused by weather predominantly related to lightning; or\n(b) conditions in which no less than eight times the daily mean faults at distribution higher voltage but fewer than thirteen times the daily mean faults at distribution higher voltage on the designated electricity distributor’s distribution system at distribution higher voltage in a 24-hour period are caused by weather not predominantly related to lightning;\n“category 2 severe weather conditions” means conditions in which no less than thirteen times the daily mean faults at distribution higher voltage on the designated electricity distributor’s distribution system at distribution higher voltage in a 24-hour period are caused by weather not predominantly related to lightning;\n...\n...\n“distribution higher voltage” means any nominal voltage of more than 1,000 volts up to and including 132 kilovolts in England and Wales and up to but excluding 132 kilovolts in Scotland;\n“eight times the daily mean faults at distribution higher voltage” means, for each designated electricity distributor, the number in column 2 in the Table in Part 3 of Schedule 2 opposite the reference to that distributor in column 1;\n“relevant electricity distributor”, in relation to any customer, means—\n(a)the electricity distributor to whose distribution system that customer’s premises are directly connected; or\n(b)where that distributor is entitled to rely on the exemption described at paragraph (9) of regulation 9 and has so notified the other electricity distributor to whom that paragraph refers, that other electricity distributor;\n“relevant period” means the prescribed period commencing at the earlier of—\n(a)the first time at which an electricity distributor is informed by a customer that the supply to that customer’s premises has been discontinued; or\n(b)the first time at which an electricity distributor is informed by a person other than that customer or is otherwise made aware by the operation of any automatic system operated by that distributor of circumstances in which regulation 5(1), 6(1), 7(1), 7(2) or 7(3) applies or may reasonably be expected to apply to premises including the customer’s premises;\n“thirteen times the daily mean faults at distribution higher voltage” means, for each designated electricity distributor, the number in column 3 in the table in Part 3 of Schedule 2 opposite the reference to that distributor in column 1;\n...\n...\n(2) For the purposes of calculating and making compensation payments under regulations 5, 6, 7 and 8, where supply is interrupted to a directly connected premises, and the relevant electricity distributor is not a designated electricity distributor, that interruption is deemed to have been caused by the same category of event applicable to the designated electricity distributor in whose distribution services area that relevant electricity distributor operates.",
  "extent": "E+W+S",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Words in reg. 4(1) substituted (1.11.2024) by The Electricity (Standards of Performance) (Amendment) Regulations 2024 (S.I. 2024/984), regs. 1, 2(2)(a)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in reg. 4(1) substituted (1.11.2024) by The Electricity (Standards of Performance) (Amendment) Regulations 2024 (S.I. 2024/984), regs. 1, 2(2)(b)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in reg. 4 omitted (1.9.2023) by virtue of The Electricity (Standards of Performance) (Amendment) Regulations 2023 (S.I. 2023/887), regs. 1(3), 2(2)(a)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Reg. 4(2) substituted (1.9.2023) by The Electricity (Standards of Performance) (Amendment) Regulations 2023 (S.I. 2023/887), regs. 1(3), 2(2)(b)"
    },
    {
      "type": "I",
      "label": "I1",
      "text": "Reg. 4 in force at 1.4.2015, see reg. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2015/699/regulation/4",
    "retrieved_at": "2026-10-28T23:42:34.848703+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."
}