Regulator profile
Ofgem
Office of Gas and Electricity Markets
Enforcement Regulator4 areas of regulation · 7 official guidance documents · 210 laws enforced · UK-wide
What Ofgem does
Regulates gas and electricity markets in Great Britain. Issues licences for generation, transmission, distribution, and supply. Protects consumers and promotes competition. Also administers renewable energy schemes (ROCs, FIT legacy, CfD).
Additional information
Key licences: Generation, Supply, Distribution, Transmission. Renewable energy accreditation: ROCs, REGOs. Major decisions appealable to CMA.
Contact Ofgem
Types of regulation
Official guidance from Ofgem
Curated guidance documents to help you understand your obligations.
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Ofgem energy sector guidance
Detailed Guidance
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Ofgem licensing (Great Britain)
Detailed Guidance
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Apply for an electricity supply licence
Detailed Guidance
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Gas Supply Standard Licence Conditions (consolidated to August 2025)
Detailed Guidance
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List of all gas licensees including suppliers
Detailed Guidance
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OFG1162 Enforcement Guidelines (March 2023)
Detailed Guidance
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OFG1164 Apply for a gas or electricity licence (June 2025)
Detailed Guidance
Legal framework
Legislation that Ofgem directly enforces.
Primary legislation
- Gas Act 1986 Act 1986
- Electricity Act 1989 Act 1989
- Competition Act 1998 Act 1998
- Utilities Act 2000 Act 2000
- Enterprise Act 2002 Act 2002
- Energy Act 2004 Act 2004
- Energy Act 2008 Act 2008
- Energy Act 2010 Act 2010
- Energy Act 2011 Act 2011
- Energy Act 2013 Act 2013
- Consumer Rights Act 2015 Act 2015
- Energy Act 2016 Act 2016
- Domestic Gas and Electricity (Tariff Cap) Act 2018 Act 2018
- Smart Meters Act 2018 Act 2018
- Energy Prices Act 2022 Act 2022
- Energy Act 2023 Act 2023
Secondary legislation
- Electricity Safety, Quality and Continuity Regulations 2002 UK Statutory Instrument 2002
- Business Protection from Misleading Marketing Regulations 2008 UK Statutory Instrument 2008
- Renewables Obligation Order 2009 UK Statutory Instrument 2009
- Renewables Obligation (Scotland) Order 2009 Scottish Statutory Instrument 2009
- The Electricity and Gas (Carbon Emissions Reduction) (Amendment) Order 2010 UK Statutory Instrument 2010
- The Electricity (Standards of Performance) (Amendment) Regulations 2010 UK Statutory Instrument 2010
- The Energy Act 2004 (Commencement No. 10) Order 2010 UK Statutory Instrument 2010
- The Energy Act 2008 (Commencement No. 5) Order 2010 UK Statutory Instrument 2010
- The Energy Act 2008 (Consequential Modifications) (Offshore Environmental Protection) Order 2010 UK Statutory Instrument 2010
- The Renewables Obligation (Amendment) Order 2010 UK Statutory Instrument 2010
- ... and 184 more statutory instruments
Related legislation
Legislation connected to Ofgem's remit but not directly enforced — establishing Acts, amendments, referenced legislation, and context.
Administered / monitored
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Electricity (Class Exemptions from the Requirement for a Licence) Order 2001
UK Statutory Instrument 2001
Referenced in enforcement
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Electricity (Offshore Generating Stations) (Safety Zones) Regulations 2007
UK Statutory Instrument 2007 -
The Town and Country Planning and Electricity Works (EU Exit) (Scotland) (Miscellaneous Amendments) Amendment Regulations 2019
Scottish Statutory Instrument 2019 -
The Town and Country Planning and Electricity Works (EU Exit) (Scotland) (Miscellaneous Amendments) Regulations 2019
Scottish Statutory Instrument 2019 -
The Infrastructure Planning (Electricity Storage Facilities) Order 2020
UK Statutory Instrument 2020 -
The Keadby 3 (Carbon Capture Equipped Gas Fired Generating Station) Order 2022
UK Statutory Instrument 2022 -
Gas Safety (Management) (Amendment) Regulations 2023
UK Statutory Instrument 2023 -
The Health and Safety and Nuclear (Fees) (Amendment) and Gas Safety (Miscellaneous Amendment) Regulations 2024
UK Statutory Instrument 2024
Other publications
2 additional documents from Ofgem.
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Net zero pre-construction work and small net zero projects re-opener governance document
Published 30 March 2021
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ECO2 cavity wall U-value checklist
Published 8 February 2016
Coverage area
UK-wide