Oceana UK v Secretary of State for Energy Security and Net Zero & Anor [2025] EWHC 3146 (Admin) (28 November 2025)

Oceana UK v Secretary of State for Energy Security and Net Zero & Anor [2025] EWHC 3146 (Admin) (28 November 2025)

The Secretary of State lawfully conducted appropriate assessments under regulation 5 of the 2001 Regulations as part of a multi-stage consent process. Known and sufficiently identifiable effects were assessed; effects not yet capable of meaningful assessment may lawfully be deferred to later stages. The assessments met the legal threshold for validity, applying the precautionary principle and relevant case law. No Wednesbury error was established. The claim is dismissed.

Citation
[2025] EWHC 3146 (Admin)
Parties
Claimant: Oceana UK; First Defendant: Secretary of State for Energy Security and Net Zero; Second Defendant: Oil and Gas Authority (North Sea Transition Authority); Interested Party: Albion Energy Ltd; Interested Party: Bridge Petroleum Ltd; Interested Party: Dcarbonx Ltd; Interested Party: Deltic Energy PLC; Interested Party: Finder Energy UK Ltd; Interested Party: Hartshead Resources Ltd; Interested Party: Horizon Resources Limited; Interested Party: INEOS UK SNS Ltd; Interested Party: Neptune E&P Ltd; Interested Party: ONE-Dyas UK Limited; Interested Party: Orcadian Energy (CNS) Ltd; Interested Party: Perenco UK Ltd; Interested Party: Petrogas North Sea Limited; Interested Party: Bridge Petroleum 2 Limited; Interested Party: Dana Petroleum (E&P) Limited; Interested Party: Horizon Energy Acquisition Limited; Interested Party: Reabold Southern North Sea Limited; Interested Party: Shell UK Limited; Interested Party: Meridian Resources UK Limited; Interested Party: Comtrack (UK) Limited; Interested Party: TotalEnergies E&P UK Limited; Interested Party: Kistos Energy Limited
Jurisdiction
England and Wales
Judgment Date
28 November 2025
Procedural Posture
Judicial Review / Final Judgment After Substantive Hearing
Outcome
Claim dismissed
Legal Topics
Habitats Directive, Appropriate Assessment, Petroleum Licensing, Judicial Review, Precautionary Principle, Multi Stage Consent, Marine Protected Areas

Case Brief

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Parties

Oceana UK

Claimant

Secretary of State for Energy Security and Net Zero

First Defendant

Oil and Gas Authority (North Sea Transition Authority)

Second Defendant

Albion Energy Ltd

Interested Party

Bridge Petroleum Ltd

Interested Party

Dcarbonx Ltd

Interested Party

Deltic Energy PLC

Interested Party

Finder Energy UK Ltd

Interested Party

Hartshead Resources Ltd

Interested Party

Horizon Resources Limited

Interested Party

INEOS UK SNS Ltd

Interested Party

Neptune E&P Ltd

Interested Party

ONE-Dyas UK Limited

Interested Party

Orcadian Energy (CNS) Ltd

Interested Party

Perenco UK Ltd

Interested Party

Petrogas North Sea Limited

Interested Party

Bridge Petroleum 2 Limited

Interested Party

Dana Petroleum (E&P) Limited

Interested Party

Horizon Energy Acquisition Limited

Interested Party

Reabold Southern North Sea Limited

Interested Party

Shell UK Limited

Interested Party

Meridian Resources UK Limited

Interested Party

Comtrack (UK) Limited

Interested Party

TotalEnergies E&P UK Limited

Interested Party

Kistos Energy Limited

Interested Party

Procedural Posture

Judicial Review / Final Judgment After Substantive Hearing

  1. 1 Whether the appropriate assessments under regulation 5 of the 2001 Regulations were legally compliant
  2. 2 Whether the Secretary of State lawfully agreed to the grant of Petroleum Act licences
  3. 3 Whether the assessments failed to consider oil and gas industry accidents, climate change impacts, cumulative effects, and expert advice

Ratio Decidendi

The Secretary of State lawfully conducted appropriate assessments under regulation 5 of the 2001 Regulations as part of a multi-stage consent process. Known and sufficiently identifiable effects were assessed; effects not yet capable of meaningful assessment may lawfully be deferred to later stages. The assessments met the legal threshold for validity, applying the precautionary principle and relevant case law. No Wednesbury error was established. The claim is dismissed.

Court Disposition

Claim dismissed

Orders

  • Claim for judicial review dismissed
  • No relief granted to claimant