Law

The Electricity and Gas (Energy Company Obligation) Order 2023

United Kingdom · regulation

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In force since 2025-08-01, as the publisher states.

Copy read on 2026-11-10. The page it was read from

Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.

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Contents: 54 provisions
  1. Title and introductory text
  2. 1 Citation, commencement and extent
  3. 2 Interpretation
  4. 3 Overall home-heating cost reduction target
  5. 4 Definition of a participant
  6. 5 Application of this Part
  7. 6 Determining a participant’s obligations and minimum requirements
  8. 7 Determining obligations and minimum requirements for participants who are not members of a group
  9. 8 Determining obligations and minimum requirements for participants who are members of a group
  10. 9 Achievement of total home-heating cost reduction obligation
  11. 10 ECO4A qualifying actions: overview
  12. 11 ECO4A qualifying actions: general requirements
  13. 12 Measures installed at private domestic premises in certain Council tax valuation bands
  14. 13 Measures installed at private domestic premises occupied by help to heat group member
  15. 14 Measures installed at band D social housing
  16. 15 Measures installed at band E, F or G social housing
  17. 16 Measures accompanied by a declaration from a relevant authority: household income below £31,000
  18. 17 Measures accompanied by a declaration from a relevant authority: premises meeting specified criteria
  19. 18 Measures accompanied by a declaration from a relevant authority: referral from a relevant health provider
  20. 19 Measures accompanied by a declaration from a participant: debt, discretionary credit and self-disconnection
  21. 20 Flat in-fill measures
  22. 21 House in-fill measures
  23. 22 Additional requirements to be met by insulation measures
  24. 23 Additional requirements to be met by heating control measures
  25. 24 Quality assurance and consumer protection
  26. 25 Notification requirements for completed measures
  27. 26 Deadline for notification of completed measures
  28. 27 Applications for extension of time to notify
  29. 28 Withdrawal of notifications
  30. 29 Giving scores to ECO4A qualifying actions
  31. 30 Calculating the score for ECO4A qualifying actions
  32. 31 Innovation measure uplift
  33. 32 Publication of annual cost savings methodology
  34. 32A Methodology for scoring smart thermostats
  35. 33 Transfer of measures
  36. 34 Transfer of obligations
  37. 34A Reassignment of ECO4 savings to the ECO4A scheme
  38. A35 Overall amounts for purposes of determining total obligations
  39. 35 Final determination and reporting
  40. 36 Information from participants
  41. 37 Declaration verification service
  42. 38 Enforcement
  43. 39 Amendment of the 2022 Order
  44. 40 Amendment to article 2 (interpretation)
  45. 41 Amendment to article 4 (definition of participant)
  46. 42 Amendment to article 12 (qualifying actions: general requirements relating to Condition A)
  47. 43 Amendment to article 27 (general requirements relating to heating measures)
  48. 44 Amendment to article 28 (requirements specific to heating measures installed at on-gas premises)
  49. 45 Amendment to article 29 (requirements specific to heating measures installed at off-gas premises)
  50. 46 Amendment to article 30 (hierarchy of heating measures installed at off-gas premises)
  51. 47 Amendment to article 43 (notification requirements for completed measures)
  52. 48 Insertion of article 44A (withdrawal of notification)
  53. 49 Amendment to article 80 (transfer of measures)
  54. 50 Saving provisions

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54 provisions

37 Declaration verification service

(1) The Administrator must— (a) provide a means by which a relevant authority may provide the Administrator with information about a declaration the relevant authority has made under any one of articles 16 to 18; and (b) maintain a record of that information. (2) A participant may apply to the Administrator for a determination by the Administrator as to whether a copy of a declaration purporting to be made by a relevant authority under any one of articles 16 to 18 (“the purported declaration”) matches any declaration about which a record is maintained by the Administrator under paragraph (1)(b). (3) An application under paragraph (2) must— (a) be in writing; (b) be made before 1st July 2026; and (c) include a copy of the purported declaration. (4) Following receipt of an application under paragraph (2), the Administrator must— (a) if the requirements in paragraph (3) are met— (i) determine whether the purported declaration matches any declaration about which a record is maintained by the Administrator under paragraph (1)(b); and (ii) notify the participant of the outcome of that determination; (b) if the requirements in paragraph (3) are not met— (i) reject the application; and (ii) notify the participant of the reasons for the rejection.

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38 Enforcement

A requirement placed on a participant under this Order is a relevant requirement for the purpose of Part 1 of the Electricity Act 1989 and Part 1 of the Gas Act 1986.

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39 Amendment of the 2022 Order

The 2022 Order is amended in accordance with this Part.

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40 Amendment to article 2 (interpretation)

In article 2— (a) in paragraph (1)— (i) in the definition of “heating measure”, after paragraph (c) insert— (d) related electricity generation equipment; ; (ii) in the definition of “licence-holder”, in paragraph (b), for “section 7A” substitute “section 7A(1)”; (iii) for the definition of “Reduced Data Standard Assessment Procedure” substitute— “Reduced Data Standard Assessment Procedure” means the Reduced Data Standard Assessment Procedure for Energy Rating of Dwellings (2012 edition, version 9.94); ; (iv) after the definition of “Reduced Data Standard Assessment Procedure” insert— “related electricity generation equipment” means equipment for the generation of electricity at domestic premises where— the electricity is generated wholly or mainly by renewable means; and the electricity so generated is used wholly or partly by equipment that generates heat at domestic premises; ; (v) for the definition of “renewable heating system” substitute— “renewable heating system” means— equipment for the generation of heat wholly or partly by renewable means; or related electricity generation equipment; ; (vi) after the definition of “renewable heating system” insert— “renewable means” means by means of a source of energy or technology which— is mentioned in section 100(4)(a) or (c) to (h) of the Energy Act 2008; and is not used to generate electricity that is supplied by a licence-holder; ; (b) in paragraph (3), in sub-paragraph (b) after “both” insert “generate electricity,”.

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41 Amendment to article 4 (definition of participant)

In article 4, in paragraph (5), for “section 7A” substitute “section 7A(1)”.

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42 Amendment to article 12 (qualifying actions: general requirements relating to Condition A)

In article 12, in paragraph (1)— (a) after sub-paragraph (e), omit “and”; (b) after sub-paragraph (f) insert— ; and (g) is not a measure notified to the Administrator in accordance with article 25 of the Electricity and Gas (Energy Company Obligation) Order 2023. .

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43 Amendment to article 27 (general requirements relating to heating measures)

In article 27, in paragraph (1)— (a) in sub-paragraph (d), omit “or the installation of a connection to a district heating system that delivers heat generated wholly or partly from mains gas,”; (b) for sub-paragraphs (e) and (f) substitute— (e) where the measure is the installation of an electric storage heater, but is not a repair— (i) the measure has a responsiveness rating equal to, or greater than, 0.8 when assessed against the Standard Assessment Procedure; and (ii) the measure— (aa) replaces an electric heating system at on-gas premises; (bb) is installed at on-gas premises where one or more electric storage heaters are already installed; (cc) is installed at on-gas premises which, immediately prior to the installation of the measure, have neither an efficient heating system nor an inefficient heating system; or (dd) is installed at off-gas premises; (f) where the measure is the installation of an electric heating system, but is not a repair— (i) the measure has a responsiveness rating equal to, or greater than, 0.8 when assessed against the Standard Assessment Procedure; and (ii) the measure— (aa) replaces an electric heating system at on-gas premises; (bb) is installed at on-gas premises where one or more electric storage heaters are already installed; (cc) is installed at on-gas premises which, immediately prior to the installation of the measure, have neither an efficient heating system nor an inefficient heating system; or (dd) is installed at off-gas premises; ; (c) in sub-paragraph (i), for “includes the installation of equipment for the direct conversion of sunlight into electricity” substitute “includes the installation of equipment for the generation of electricity by renewable means”.

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44 Amendment to article 28 (requirements specific to heating measures installed at on-gas premises)

In article 28— (a) in paragraph (1)— (i) in sub-paragraph (d)(i)(ee), omit “which is broken down”; (ii) in sub-paragraph (e)— (aa) after paragraph (iv), omit “or”; (bb) after paragraph (v), insert— (vi) an electric storage heater; or (vii) an electric heating system. ; (b) for paragraph (2) substitute— (2) A heating measure installed at on-gas premises also meets the requirements of this article if— (a) the measure— (i) forms part of an ECO4 project which includes the installation of a district heating connection which meets the requirements of paragraph (1); and (ii) is a wet central heating system installed after the completion of the installation of the district heating connection; or (b) the measure is the installation of related electricity generation equipment. .

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45 Amendment to article 29 (requirements specific to heating measures installed at off-gas premises)

In article 29, in paragraph (2)— (a) after sub-paragraph (a), omit “or”; (b) after sub-paragraph (b), insert— ; or (c) the measure is the installation of related electricity generation equipment. .

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46 Amendment to article 30 (hierarchy of heating measures installed at off-gas premises)

In article 30, for paragraph (2)(c)(i) substitute— (i) an electric storage heater or an electric heating system, provided that— (aa) the measure replaces an electric heating system at the premises; (bb) the measure is installed at premises where one or more electric storage heaters are already installed; or (cc) the measure is installed at premises which, immediately prior to the installation of the measure, have neither an efficient heating system nor an inefficient heating system; or .

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47 Amendment to article 43 (notification requirements for completed measures)

In article 43, after paragraph (c)— (a) omit “and”; (b) insert— (ca) indicates that the notification is made under this article; (cb) is not withdrawn by a notification made under article 44A; and .

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48 Insertion of article 44A (withdrawal of notification)

After article 44, insert— Withdrawal of notification 44A. (1) A participant may withdraw a notification made under article 43 by notifying the Administrator in writing. (2) A notification under paragraph (1) must— (a) be made by the participant that promoted the measure; (b) be made on or before 30th June 2026; and (c) include such information relating to the measure as the Administrator may require. .

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49 Amendment to article 80 (transfer of measures)

In article 80— (a) in paragraph (2)(b)(i), for “article 43(a) to (c)” substitute “article 43(a) to (cb)”; (b) in paragraph (5)(a), at the beginning insert “except for the purposes of articles 20(1)(b), 21(2)(b), 43(a) and 45(4),”.

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50 Saving provisions

(1) With the exception of the amendments made by articles 40(a)(iii) and 49(b), the 2022 Order shall continue to have effect in relation to a measure completed before the day on which this Part comes into force as if the 2022 Order had not been amended by this Part. (2) Where an assessment of the energy efficiency of domestic premises is performed using the Reduced Data Standard Assessment Procedure for Energy Rating of Dwellings (2012 Edition, version 9.92) before the day on which this Part comes into force and is relied on by a participant for the purposes of the 2022 Order in relation to a measure installed at the domestic premises, the 2022 Order shall continue to have effect in relation to that measure as if the 2022 Order had not been amended by article 40(a)(iii). (3) For the purposes of paragraph (1), a measure is completed when the installation of the measure is completed. (4) In this article, “domestic premises” and “participant” have the meanings given in article 2(1) of the 2022 Order.

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