Jurisdiction(s):
United Kingdom

Related legal acts

Key definition

Nuclear Energy definition

What does Nuclear Energy mean? In legal practice, nuclear energy describes energy produced by nuclear fission or fusion, or released by radioactive decay, and the civil activities that generate, use, transport or manage it. The phrase itself is descriptive rather than a defined statutory term; legislation instead regulates reactors, nuclear installations, nuclear material and radioactive substances. Across England & Wales, Scotland and Northern Ireland, nuclear energy work typically engages: nuclear site licensing and safety/security oversight by the Office for Nuclear Regulation (Energy Act 2013); environmental permitting and radioactive substances controls (under devolved regimes); radiation protection and emergency planning (including REPPIR 2019); transport of radioactive...

Nuclear energy: overview of industry and regulatory bodies, licences, electricity market codes, key guidance, and energy code governance reforms

Published by a LexisNexis Energy expert

Practice notes

Industry bodies Body Description

The ESC serves as the Capacity Market Settlement Body, overseeing the distribution of capacity payments and the collection of penalties from recipients supported by the Capacity Market. It acts as the Capacity Market ‘Settlement Body’. It also manages, in that capacity, the sums received from licensed electricity suppliers that finance the payments the ESC makes to those Capacity Market beneficiaries. Those supplier receipts underpin the ESC’s outgoing payments. The ESC was designated under the Electricity Capacity Regulations 2014, SI 2014/2043, reg 80, and is a company wholly owned by DESNZ. Its relationship with its sole shareholder—the Secretary of State for Energy Security and Net Zero (SoS)—is set out in a Framework Document. Operationally, ESC Shares premises, a website and senior leadership with the Low Carbon Contracts Company Ltd (LCCC), the counterparty for the low carbon Contract for Difference (CfD) scheme. Further detail on LCCC appears in Practice Note: Industry Bodies and Codes—Renewable Energy.

Great British Energy—Nuclear is an arm’s-length body tasked with delivering the UK government’s long-term nuclear programme and supporting the deployment of up to 24 GW of nuclear capacity in the UK by 2050. It was created under the Energy Act 2023 (EnA 2023)...

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Web page updated on 21/05/2026

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