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National Grid

Asked by Claire CoutinhoConservativeDepartment for Energy Security and Net ZeroTabled Answered 8 June 2026UIN 5436

The question

To ask the Secretary of State for Energy Security and Net Zero, which organisation is responsible for ensuring that the frequency of the electricity grid remains within statutory limits.

Answered by Michael Shanks

The National Energy System Operator (NESO) is responsible for operating the Great Britain electricity system and maintaining system frequency within statutory limits. This responsibility is established through NESO's licence obligations, which are overseen by Ofgem.

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