questionText: To ask the Secretary of State for Energy Security and Net Zero, pursuant to Answer of 17 April 2026 to Question 124401, what metrics his Department uses to define high levels of resilience in Britain’s electricity system.
answerText: Great Britain has one of the most reliable energy systems in the world, with the National Grid Electricity System having an overall reliability of supply of 99.9% in 2024-2025. DESNZ works closely with industry to continually improve and maintain the resi...
heading: Electricity Generation