Great Britain sets new recorded electricity demand peak

Demand record · NESO (GB) · high severity

Data last updated: Aug 27, 2026, 8:30 AM UTC

What happened

Great Britain electricity demand reached 29,857 MW, exceeding the previous GridVigil-recorded peak of 29,334 MW by 1.8%.

Metrics

• Peak demand: 29,857 MW
• Previous recorded peak: 29,334 MW (+1.8%)
• Source: neso_demand_update

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