The Energy Act 2023 (Commencement No. 4) Regulations 2025
Source: legislation.gov.uk (2025-11-12)

These Regulations bring into force on 2nd December 2025 specified provisions of the Energy Act 2023 (c. 52) (“the Act”). These are the fourth set of commencement regulations under the Act.

Statutory Instruments

2025 No. 1173 (C. 58)

ENERGY

The Energy Act 2023 (Commencement No. 4) Regulations 2025

Made

6th November 2025

The Secretary of State makes these Regulations in exercise of the powers conferred by section 334(1) of the Energy Act 2023(1 (\"#f00001\")).

Citation

1. These Regulations may be cited as the Energy Act 2023 (Commencement No. 4) Regulations 2025.

Provision coming into force on 2nd December 2025

2. Section 304 of the Energy Act 2023 (excluded disposal sites) comes into force on 2nd December 2025, insofar as it is not already in force(2 (\"#f00002\")).

Vallance

Minister of State

Department for Energy Security and Net Zero

6th November 2025

Explanatory Note

(This note is not part of the Regulations)

These Regulations bring into force on 2nd December 2025 specified provisions of the Energy Act 2023 (c. 52) (\"http://www.legislation.gov.uk/id/ukpga/2023/52\") (“the Act”). These are the fourth set of commencement regulations under the Act.

Regulation 2 brings into force the remaining provisions of section 304, amending the Nuclear Installations Act 1965 (c. 57) (\"http://www.legislation.gov.uk/id/ukpga/1965/57\") to create a route by which certain installations for the disposal of nuclear matter can be excluded from the nuclear third party liability regime established by that Act.

NOTE AS TO EARLIER COMMENCEMENT REGULATIONS

(This note is not part of the Regulations)

The following provisions of the Energy Act 2023 have been brought into force by commencement Regulations made before the date of these Regulations.

ProvisionDate of CommencementS.I. No.Sections 103 to 10611th January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Section 15610th September 2024S.I. 2024/890 (\"http://www.legislation.gov.uk/id/uksi/2024/890\")Sections 161 to 16531st January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Section 166(1)31st January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Section 166(2)1st October 2024S.I. 2024/957 (\"http://www.legislation.gov.uk/id/uksi/2024/957\")Section 166(3) to (10)31st January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Section 16731st January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Section 168(1)31st January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Section 168(2)1st October 2024S.I. 2024/957 (\"http://www.legislation.gov.uk/id/uksi/2024/957\")Section 168(3) to (5)31st January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Sections 171 to 17331st January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Sections 176 to 17931st January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Sections 182 to 20110th September 2024S.I. 2024/890 (\"http://www.legislation.gov.uk/id/uksi/2024/890\")Section 20910th September 2024S.I. 2024/890 (\"http://www.legislation.gov.uk/id/uksi/2024/890\")Sections 238 to 24911th January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Sections 267 to 28911th January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Sections 296 to 29811th January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Section 299(1) and (2)11th January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Sections 300 and 30111th January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Section 30210th September 2024S.I. 2024/890 (\"http://www.legislation.gov.uk/id/uksi/2024/890\")Section 304(3)(partially)(3 (\"#f00003\"))11th January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Section 31031st January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Schedule 611th January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Schedule 11 paragraphs 1 and 21st October 2024S.I. 2024/957 (\"http://www.legislation.gov.uk/id/uksi/2024/957\")Schedule 11 paragraph 331st January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Schedule 11 paragraphs 4 and 51st October 2024S.I. 2024/957 (\"http://www.legislation.gov.uk/id/uksi/2024/957\")Schedule 11 paragraphs 6, 7 and 831st January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Schedule 1210th September 2024S.I. 2024/890 (\"http://www.legislation.gov.uk/id/uksi/2024/890\")Schedule 1310th September 2024S.I. 2024/890 (\"http://www.legislation.gov.uk/id/uksi/2024/890\")Schedule 1410th September 2024S.I. 2024/890 (\"http://www.legislation.gov.uk/id/uksi/2024/890\")Schedule 1911th January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Schedule 2011th January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")Schedule 2111th January 2024S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\")

(1)

2023 c. 52 (\"http://www.legislation.gov.uk/id/ukpga/2023/52\").

(2)

Subsection (3) of section 304 was partially commenced by S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\").

(3)

Sections 303 and 304 were originally brought into force by S.I. 2024/32 (\"http://www.legislation.gov.uk/id/uksi/2024/32\") but the commencement of those sections (other than section 304(3) for certain purposes) was revoked by S.I. 2024/98 (\"http://www.legislation.gov.uk/id/uksi/2024/98\").