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Daily UK grid report
UK Electricity Grid Daily Report — 28 May 2026

On 28 May 2026, Britain’s electricity grid averaged 31.32 GW of grid demand, with renewables averaging 69.9% of tracked domestic generation and carbon intensity averaging 108 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.32 GW

Average grid demand for this UK day.

Peak demand 37.61 GW

Highest 15-minute grid demand period.

Avg carbon 108 gCO₂/kWh

Average carbon intensity where available.

Renewables 69.9 %

Average renewable share of tracked generation.

Average grid demandDemand
31.32 GWFull-day average from available snapshots
↑ +0.94 GW vs yesterday
Peak demand18:00
37.61 GWHighest 15-minute grid demand period
↑ +2.08 GW vs yesterday
Lowest demand05:15
22.91 GWLowest 15-minute grid demand period
↓ −1.12 GW vs yesterday
Domestic generationSupply
26.86 GWTracked UK generation sources only
↑ +1.86 GW vs yesterday
Average carbonCO₂
108 gCO₂/kWhCarbon intensity average
↓ −33 g vs yesterday
Renewable shareClean
69.9 %Wind, solar, hydro and biomass
↑ +7.8 pts vs yesterday
Clean share+ Nuclear
78.6 %Renewables plus nuclear
↑ +6.6 pts vs yesterday
Net importsFlow
3.23 GWAverage imports minus exports
↓ −1.30 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 28 May 2026, Britain’s electricity grid averaged 31.32 GW of grid demand, with renewables averaging 69.9% of tracked domestic generation and carbon intensity averaging 108 gCO₂/kWh.

The highest demand period was 37.61 GW at 18:00, while the lowest carbon intensity period was 74 gCO₂/kWh at 17:00.

Key records for 28 May 2026

Highest wind15.14 GW21:00
Highest solar13.46 GW12:00
Highest gas9.02 GW21:30
Lowest carbon74 gCO₂/kWh17:00
Highest imports6.97 GW09:00
Highest exports2.71 GW06:45

Daily chart

Demand, generation and carbon intensity

28 May 2026

Generation mix

Wind, solar, gas and interconnector flow