According to the National Energy System Operator (NESO), will Britain have sufficient electricity this winter despite global energy disruptions?

Yes, the National Energy System Operator (NESO) stated that Britain will have enough electricity supply this winter, even amid disruptions to energy flows caused by the Iran war, and affirmed that households and businesses can be confident electricity supplies remain secure.

What is NESO's forecast for electricity capacity margin this winter, and how does it compare to recent winters?

NESO expects a de-rated margin of 5.5 gigawatts (GW) this winter — equivalent to 8.8% of forecast peak demand during an average cold spell — which is in line with recent winters.

Britain Will Have Enough Electricity This Winter, Grid Operator Says

Jun 22, 2026

NESO confirms sufficient electricity supply for Britain this winter despite Iran conflict disruptions affecting global LNG flows. The UK expects a 5.5GW de-rated margin while remaining a net importer with prices higher than Europe.

reuters

2026-06-22

UK Winter Power Supply Secure Despite Iran Disruption, Says Neso

2026-06-22

Britain Will Have Enough Electricity This Winter, Grid Operator Says

Britain Will Have Enough Electricity This Winter, Grid Operator Says

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