{
  "url": "https://openlegislation.uk/warm-home-discount-reconciliation-amendment-regulations-2026/regulation-6",
  "json_url": "https://openlegislation.uk/warm-home-discount-reconciliation-amendment-regulations-2026/regulation-6.json",
  "legislation": "uksi/2026/991",
  "legislation_title": "The Warm Home Discount (Reconciliation) (Amendment) Regulations 2026",
  "legislation_url": "https://openlegislation.uk/warm-home-discount-reconciliation-amendment-regulations-2026",
  "path": "regulation/6",
  "kind": "regulation",
  "number": "6",
  "heading": "Substitution of regulation 5",
  "text": "For regulation 5 (determination of market share for scheme electricity supplier) substitute—\n“Determination of market share for scheme electricity supplier\n5 (1) The Authority must use the total volume of electricity and gas units obtained from scheme electricity suppliers as described in regulation 4 or 5A, as the case may be, in respect of each scheme year to determine the market share of each scheme electricity supplier, in accordance with paragraph (3), to be used for—\n(a) the interim reconciliation in that scheme year; and\n(b) the final reconciliation in that scheme year.\n(2) The Authority must make a determination—\n(a) under paragraph (1)(a) as soon as is reasonably practicable after the start of the scheme year;\n(b) under paragraph (1)(b) as soon as is reasonably practicable after the reporting date for the final reconciliation.\n(3) The market share of a scheme electricity supplier is to be calculated as follows—\nVMS= S R g + S R e T S R g + T S R e where—\n(a) “VMS” is the volumetric market share;\n(b) “SRg” is the Supplier Recovery (gas), the amount recovered by that supplier through Warm Home Discount gas unit rates (see paragraph (5));\n(c) “SRe” is the Supplier Recovery (electric), the amount recovered by that supplier through Warm Home Discount electricity unit rates (see paragraph (5));\n(d) “TSRg” is the Total Supplier Recovery (gas), the sum of the amount recovered by all suppliers through Warm Home Discount gas unit rates (see paragraph (5));\n(e) “TSRe” is the Total Supplier Recovery (electric), the sum of the amount recovered by all suppliers through Warm Home Discount electricity unit rates (see paragraph (5)).\n(4) For the purposes of paragraph (3)—\n(a) a reference to a supplier’s market share is a reference to the supplier’s market share calculated—\n(i) in respect of the interim reconciliation, in accordance with paragraph (1)(a); or\n(ii) in respect of the final reconciliation, in accordance with paragraph (1)(b);\n(b) if a scheme electricity supplier is connected to one or more scheme gas suppliers but is not connected to any other scheme electricity suppliers, they must be treated as one supplier when determining supplier recovery;\n(c) if a scheme electricity supplier is connected to one or more scheme gas suppliers and one or more scheme electricity suppliers, the estimated amount recovered through Warm Home Discount gas unit rates must be split between those connected scheme electricity suppliers according to each supplier’s proportion of the group’s electricity volumes;\n(d) a relevant supplier is to be treated as connected to another relevant supplier only if they both belonged to the same group of companies on 31st December preceding the start of the scheme year;\n(e) all references to “supplier” in this regulation include any supplier connected to that supplier by virtue of paragraph (d).\n(5) In this regulation—\n“Warm Home Discount gas unit rates” are gas unit rates set out in the Policy Cost Allowance Methodology, Annex 4, maintained in accordance with the conditions of licences granted under section 6(1) of the Electricity Act 1989 and section 8 of the Gas Act 1986, and under section 2 of the Domestic Gas and Electricity (Tariff Cap) Act 2018.\n“Warm Home Discount electricity unit rates” are electricity unit rates set out in the Policy Cost Allowance Methodology, Annex 4, maintained in accordance with the conditions of licences granted under section 6(1) of the Electricity Act 1989and section 8 of the Gas Act 1986, and under section 2 of the Domestic Gas and Electricity (Tariff Cap) Act 2018.\n“Wholesale Cost Allowance Methodology” is the Annex 2 Wholesale Cost Allowance Methodology maintained in accordance with the conditions of licences granted under section 6(1) of the Electricity Act 1989 and section 8 of the Gas Act, and under section 2 of the Domestic Gas and Electricity (Tariff Cap) Act 2018.\n(6) In paragraph (3), for the purposes of calculating the Supplier Recovery (electric)—\n(a) the supplier’s reported electricity units supplied to GB domestic customers as notified, or treated as notified, to the Authority by the supplier under regulation 4(3), or 5A(3), of these Regulations or, as the case may be, determined by the Authority under regulation 4(4), or 5A(4), must be apportioned across each quarter using the electricity profile class 1 seasonal weighting percentages used in the Authority’s published Wholesale Cost Allowance Methodology;\n(b) the apportioned electricity units for each quarter must be multiplied by the applicable Warm Home Discount electricity unit rate for that quarter, used in the Authority’s published Policy Cost Allowance Methodology; and\n(c) the resulting quarterly amounts must be aggregated.\n(7) In paragraph (3), for the purposes of calculating the Supplier Recovery (gas)—\n(a) the supplier's reported gas units supplied to GB domestic customers, as notified, or treated as notified, to the Authority by the supplier under regulation 4(3), or 5A(3), of these Regulations or, as the case may be, determined by the Authority under regulation 4(4), or 5A(4), must be apportioned across each quarter using the gas non-prepayment meter seasonal weighting percentages used in the Authority's published Wholesale Cost Allowance Methodology;\n(b) the apportioned gas units for each quarter must be multiplied by the applicable Warm Home Discount gas unit rate for that quarter, used in the Authority’s published Policy Cost Allowance Methodology; and\n(c) the resulting quarterly amounts must be aggregated.\n(8) For the purposes of paragraph 4(d) “group of companies” has the meaning given in regulation 3(1) of the England & Wales Scheme Regulations.”.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "1989 c. 29."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "1986 c. 44."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "2018 c. 21."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2026/991/regulation/6",
    "retrieved_at": "2026-10-31T10:34:01.236194+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."
}