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...

Civil nuclear energy in the UK: legal and regulatory overview of the fuel cycle, risks, financing (CfDs/RAB), new build, advanced technologies, fusion, and the 2025 Nuclear Regulatory Review

Published by a LexisNexis Energy expert

Practice notes

What is nuclear energy?

Nuclear energy is the power released from the core of an atom (the ‘nucleus’). It can be produced in two ways:

fission — the split of a large atom into smaller atoms;
Fusion — the joining of lighter atoms to create heavier atoms.

Nuclear (fission) power plants split uranium atoms inside a reactor through fission. The heat generated produces steam, which turns a turbine to generate electricity. While fission is currently used commercially to produce energy, nuclear fusion is not yet commercially viable. See: What is the future of nuclear power generation in the UK? below. Various countries around the world are increasingly turning to nuclear energy to satisfy the rising need for clean energy and to strengthen their energy security.

What is the nuclear fuel cycle?

The set of industrial processes that results in electricity from nuclear reactions is known as the nuclear fuel cycle. It starts with the mining of uranium (or other ores such as thorium) and finishes with either the disposal of nuclear wastes or the reprocessing of used nuclear fuel...

To view the latest version of this document and thousands of others like it, sign-in with LexisNexis or register for a free trial.

Web page updated on 21/05/2026

Popular documents

Using the Judicial College Guidelines to assess general damages in personal injury claims

When evaluating a general damages claim, the practitioner ought initially to refer to the Judicial College Guidelines (JCG)...

Tomlin orders in England and Wales: CPR guidance on drafting, confidentiality, approval, variation, enforcement, limitation, CCA issues, court-specific requirements, sample wording and precedents

This Practice Note This Practice Note reviews mechanisms used in settling litigation. A Tomlin order consists of a consent order paired with a schedule. It operates to stay proceedings on terms that have been agreed. The provisions contained in the schedule may remain confidential. This Practice Note describes the scope of confidentiality attaching to the schedule and sets out how it differs from a standard consent order. Sample wording for a Tomlin order is included, alongside links to precedents, as well as guidance on court approval. It also addresses varying, setting aside and enforcing a Tomlin order, including the considerations the court will take into account when handling applications for each. Further guidance is provided on interpreting and applying the relevant provisions of the CPR; however, some courts and divisions impose very specific requirements for both drafting and approval, and for approaching the schedule and confidentiality issues. Accordingly, you must consider the particular rules and court guide provisions in the forum where your claim is proceeding when drawing up the Tomlin order...

Precedent: Deed of Surrender of Lease with Optional Premium, Settlement and Release, Landlord, Mortgagee and Guarantor Consents, Reimbursement and HM Land Registry Provisions (England and Wales)

Date [ date ] Parties [ name of Landlord ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Landlord) [ name of Tenant ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Tenant) [ [ name of Guarantor ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Guarantor) ] [ [ name of Mortgagee ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Mortgagee) ] Definitions Within this Deed, the terms below shall be interpreted as follows: [ Annual Rent • the annual sum reserved under the Lease; ] [ Insurance Rent • the Tenant’s share of the Landlord’s costs of insuring the Property (as set out in the Lease); ] Lease • the lease of the Property dated [ date ], entered into between (1) [ the Landlord OR [ name ...

Precedent Statutory Declaration: Standard Wording under the Statutory Declarations Act 1835

I, [ name ], of [ address ], solemnly and sincerely state that: [ Matters to be verified, set out in numbered paragraphs ] I make this solemn statement in good conscience, believing it to be true, and pursuant to the provisions of the Statutory Declarations Act 1835. DECLARED at [ details ] this [ day ] day of [ month and year ] Before me ................................................................................ [ signature of the person before whom the declaration is made ] A [ commissioner for oaths OR [ solicitor OR [ insert other qualification ] ] authorised to administer oaths ]...