{
  "url": "https://openlegislation.uk/electricity-and-gas-energy-company-obligation-order-2022/article-54",
  "json_url": "https://openlegislation.uk/electricity-and-gas-energy-company-obligation-order-2022/article-54.json",
  "legislation": "uksi/2022/875",
  "legislation_title": "The Electricity and Gas (Energy Company Obligation) Order 2022",
  "legislation_url": "https://openlegislation.uk/electricity-and-gas-energy-company-obligation-order-2022",
  "path": "article/54",
  "kind": "article",
  "number": "54",
  "heading": "Publication of a methodology for determining ECO4 project cost savings",
  "text": "(1) The Administrator must publish, on its website, a methodology for the purpose of determining the annual cost savings of an ECO4 project that meets the requirements of article 49.\n(2) Under the methodology published by the Administrator the determination of the annual cost savings must—\n(a) be based on the difference between the pre-project SAP rating and the post-project SAP rating; and\n(b) where the ECO4 project includes an item of work—\n(i) to which article 62(2) applies; and\n(ii) which is the extraction of cavity wall insulation or loft insulation,\ntake into account any impact that work would have on the SAP rating of the domestic premises as compared to the pre-project SAP rating.\n(3) The methodology must provide that, if the post-project SAP rating is more than 90, it is to be treated as if it were 90.\n(4) Before publishing a methodology under this article, the Administrator must have regard to the Standard Assessment Procedure and the Reduced Data Standard Assessment Procedure.\n(5) In this article, “post-project SAP rating” has the same meaning as in article 53(2)(a).\n(6) On or after 31 July 2025, the Administrator may revise any methodology published under this article and must publish the revised methodology on its website.\n(7) Any revised methodology published under this article by the Administrator for the purpose of determining the annual cost savings of an ECO4 project pursuant to SAP10.2 is applicable only to measures that are completed on or after the date the methodology has been published.",
  "extent": "E+W+S",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Art. 54(6)(7) inserted (29.7.2025) by The Electricity and Gas (Energy Company Obligation) (Amendment, Saving and Transitional Provisions) Order 2025 (S.I. 2025/802), arts. 1(2), 6 (with art. 11)"
    },
    {
      "type": "I",
      "label": "I1",
      "text": "Art. 54 in force at 27.7.2022, see art. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2022/875/article/54",
    "retrieved_at": "2026-10-28T21:56:42.299235+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."
}