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Daily UK grid report
UK Electricity Grid Daily Report — 30 May 2026

On 30 May 2026, Britain’s electricity grid averaged 26.90 GW of grid demand, with renewables averaging 51.5% of tracked domestic generation and carbon intensity averaging 196 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 26.90 GW

Average grid demand for this UK day.

Peak demand 31.37 GW

Highest 15-minute grid demand period.

Avg carbon 196 gCO₂/kWh

Average carbon intensity where available.

Renewables 51.5 %

Average renewable share of tracked generation.

Average grid demandDemand
26.90 GWFull-day average from available snapshots
↓ −3.38 GW vs yesterday
Peak demand18:00
31.37 GWHighest 15-minute grid demand period
↓ −4.36 GW vs yesterday
Lowest demand05:15
21.34 GWLowest 15-minute grid demand period
↓ −1.25 GW vs yesterday
Domestic generationSupply
20.76 GWTracked UK generation sources only
↓ −4.55 GW vs yesterday
Average carbonCO₂
196 gCO₂/kWhCarbon intensity average
↑ +48 g vs yesterday
Renewable shareClean
51.5 %Wind, solar, hydro and biomass
↓ −9.9 pts vs yesterday
Clean share+ Nuclear
62.7 %Renewables plus nuclear
↓ −7.9 pts vs yesterday
Net importsFlow
5.62 GWAverage imports minus exports
↑ +1.79 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 30 May 2026, Britain’s electricity grid averaged 26.90 GW of grid demand, with renewables averaging 51.5% of tracked domestic generation and carbon intensity averaging 196 gCO₂/kWh.

The highest demand period was 31.37 GW at 18:00, while the lowest carbon intensity period was 133 gCO₂/kWh at 14:00.

Key records for 30 May 2026

Highest wind6.31 GW23:30
Highest solar14.46 GW12:30
Highest gas11.11 GW22:00
Lowest carbon133 gCO₂/kWh14:00
Highest imports6.97 GW09:00
Highest exports1.58 GW20:30

Daily chart

Demand, generation and carbon intensity

30 May 2026

Generation mix

Wind, solar, gas and interconnector flow