UK energy security

Guidance and regulation

Capacity Market Rules
- Statutory guidance
- 1 July 2025
- Department for Energy Security and Net Zero and Closed organisation: Department for Business, Energy & Industrial Strategy
Contracts for Difference (CfD) Allocation Round 6: results
- Guidance
- 3 September 2024
- Department for Energy Security and Net Zero
Map of nuclear power stations in the UK
- Guidance
- 30 April 2012
- Closed organisation: Department of Energy & Climate Change
Contracts for Difference (CfD) Allocation Round 6: standard terms and conditions
- Notice
- 13 March 2024
- Department for Energy Security and Net Zero
Electricity Supply Emergency Code
- Guidance
- 6 November 2019
- Department for Energy Security and Net Zero and Closed organisation: Department for Business, Energy & Industrial Strategy

Climate Innovation Forum 2025: keynote speech by Ed Miliband
- 25 June 2025
- Department for Energy Security and Net Zero
- Speech
Great British Energy legislation passes through Parliament
- 15 May 2025
- Department for Energy Security and Net Zero
- Press release
UK and Norway accelerate clean energy opportunities
- 8 May 2025
- Department for Energy Security and Net Zero
- Press release
Future of Energy Security summit: Energy Secretary opening remarks
- 24 April 2025
- Department for Energy Security and Net Zero
- Speech
First meeting of Great British Energy board members
- 17 March 2025
- Department for Energy Security and Net Zero and Great British Energy
- Press release

Electricity generation cost study: extending the life of existing generation assets
- 6 May 2025
- Department for Energy Security and Net Zero
- Research
Capacity Market auction: Auction Monitor report for T-4 auction for 2028 to 2029
- 17 March 2025
- Department for Energy Security and Net Zero
- Research
Capacity Market: T-1 Auction Monitor report for 2025 to 2026 Delivery Year
- 11 March 2025
- Department for Energy Security and Net Zero
- Research
Capacity Market: 10-year review (2019 to 2024)
- 16 December 2024
- Department for Energy Security and Net Zero
- Research
Functioning of the UK carbon market, 2023
- 19 November 2024
- Department for Energy Security and Net Zero
- Research

Capacity Market: proposals to modernise Rules and improve participation and delivery assurance of consumer-led flexibility
- 2 June 2025
- Department for Energy Security and Net Zero
- Consultation outcome
- Date closed 17 February 2025
Capacity Market: proposals to maintain security of supply and enable flexible capacity to decarbonise
- 6 May 2025
- Department for Energy Security and Net Zero
- Consultation outcome
- Date closed 10 December 2024
Delivering a smart and secure electricity system: implementation
- 23 April 2025
- Department for Energy Security and Net Zero
- Consultation outcome
- Date closed 21 June 2024
Solar roadmap
- 30 June 2025
- Department for Energy Security and Net Zero
- Policy paper
Capacity Market: call for evidence on proposals to maintain security of supply and enable flexible capacity to decarbonise
- 6 May 2025
- Department for Energy Security and Net Zero
- Call for evidence outcome

National Energy System Operator framework document
- 6 January 2025
- Department for Energy Security and Net Zero
- Corporate report
Statutory security of supply report: 2024
- 19 December 2024
- Department for Energy Security and Net Zero and Ofgem
- Corporate report
Contracts for Difference and Capacity Market scheme update 2024
- 10 December 2024
- Department for Energy Security and Net Zero
- Corporate report
Defence: sustainability as a competitive advantage
- 11 October 2024
- Defence Science and Technology Laboratory
- Corporate report
UKAEA prompt payment return data: 2023 to 2024
- 8 May 2024
- UK Atomic Energy Authority and Department for Energy Security and Net Zero
- Transparency