GB electricity and gas supply/retail regulation

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Introduction

This is an overview of the key content to be found in our GB electricity and gas supply/retail regulation subtopic. It briefly explains the nature of this content and provides links to it. For details of our content providing a more general overview of how the GB energy market fits together, see: Overarching GB gas and electricity market regulation—overview.

GB electricity and gas supply/retail regulation—content

Climate Change Levy

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    Practice Note: Climate change levy outlines the requirements for compliance with the climate change levy (CCL), under the Finance Act 2000 and associated regulations, including looking at taxable supplies, taxable commodities, carbon price support, registration requirements, exemptions and consequences of evasion, tax supply or tax point, the relevant accounting period, record keeping and VAT and the CCL. For more detail on carbon pricing in the context of energy more generally, see the Carbon emissions from power generation and Carbon Capture and Storage (CCS)—overview subtopic

Competition and Procurement

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    Practice Note: Competition law and energy outlines the energy regulatory framework and explores recent competition law developments in relation to the energy sector, including in relation

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Latest Energy News

Cabinet Office announces concluded negotiations on UK Erasmus+ association and electricity market participation

The Cabinet Office and the European Commission have concluded negotiations for the UK’s association to Erasmus+ in 2027 and completed exploratory talks on UK participation in the EU’s internal electricity market. In a joint statement following the May 2025 EU-UK Summit, Commissioner for Trade and Economic Security, Maroš Šefčovič, and HM Paymaster General and Minister for the Cabinet Office, the Rt Hon Nick Thomas-Symonds MP, confirmed that the agreed financial and other terms provide a balanced basis for UK participation in education, training, sport and youth programmes, offering opportunities for individuals in both the UK and the EU. The parties also reported that exploratory discussions on UK participation in the internal electricity market have been finalised, with formal negotiations to follow to establish the necessary framework, which is expected to benefit businesses and consumers, strengthen energy security and support investment in the North Seas region.

Execution of multi-party deeds

Banking & Finance analysis: The case of Macdonald Hotels alarmed lenders and their lawyers earlier in the year, with obiter comments suggesting that, for the ‘face value’ requirement to be met for a deed, all parties have to make it clear in the document that they intend it to be a deed, not just those executing as a deed. The City of London Law Society subsequently issued a note giving their opinion on the comments and how to meet the face value requirement. This News Analysis looks at where we have got to on this issue as 2025 draws to a close.

Energy weekly highlights—18 December 2025

This week's edition of Energy weekly highlights includes: News Analyses on (i) the oil and gas price mechanism, a replacement for the energy profits levy announced at the Budget 2025; and (ii) the evolution of international construction arbitration in renewable and energy transition projects. In addition this week, the Department for Energy Security and Net Zero (DESNZ) has launched a consultation seeking views on a package of proposed refinements to the Contracts for Difference (CfD) scheme to support Allocation Round 8 (AR8), Great British Energy (GBE) has launched the £1bn Energy Engineered in the UK (EEUK) programme to strengthen domestic clean energy supply chains and support long-term economic growth and Ofgem is consulting on its proposed Forward Work Programme for 2026–27. Further this week, [...].

Ofgem consults on modifications to RIIO 3 licences and associated documents

Ofgem has opened a statutory consultation on proposed modifications to RIIO 3 licences and associated documents for electricity transmission, gas transmission, gas distribution and the electricity system operator. The amendments support implementation of the RIIO 3 price control settlement. Responses are due by 16 January 2026.

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