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

  1. •

    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

  1. •

    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

UK and California sign MoU on clean energy co-operation

The Department for Energy Security and Net Zero (DESNZ) has announced that the Secretary of State for Energy Security and Net Zero, Ed Miliband, and the Governor of California, Gavin Newsom, have signed a Memorandum of Understanding (MoU) to strengthen co-operation on clean energy investment and technology. The MoU establishes a framework to support innovation, accelerate the deployment of clean energy technologies and strengthen links between businesses and researchers in both economies. It builds on existing co-operation agreements between the UK and 11 other US states, including Washington and Florida. The partnership also seeks to enhance collaboration on climate action and environmental protection, including sharing expertise on biodiversity conservation and building resilience to extreme weather.

NESO and industry partners update Connections Reform timeline

The National Energy System Operator (NESO), Transmission Owners (TOs), Distribution Network Operators (DNOs) and wider delivery partners have confirmed updates to the Connections Reform delivery timeline following the identification of technical and engineering matters after queue formation that required further review.

Commission opens consultation on energy-product legislation omnibus

The European Commission has opened a consultation on the proposed amendments to energy-efficient product legislation, with the consultation period running from 12 February 2026 to 12 March 2026. The omnibus regulation seeks to simplify compliance with energy and tyre labelling rules, streamline registration in the EPREL database, and enhance surveillance frameworks. The initiative is expected to introduce amendments to Regulation (EU) 2017/1369 and Regulation (EU) 2020/740, with adoption by the Commission anticipated in H2 2026.

Ofgem launches call for input on demand connections reform

Ofgem has launched a call for input on reforming the demand connections process to ensure viable projects can connect in a timely manner and to enable strategically important demand projects to be prioritised. Ofgem identifies three interrelated challenges within the current demand queue: (1) the queue is large and growing, containing a significant number of projects that are likely non-viable; (2) well-progressed projects are unable to progress to connection quickly enough due to network build timelines and the presence of non-viable projects; and (3) there is no mechanism to prioritise strategically important demand projects.

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