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Daily UK grid report
UK Electricity Grid Daily Report — 29 May 2026

On 29 May 2026, Britain’s electricity grid averaged 30.28 GW of grid demand, with renewables averaging 61.4% of tracked domestic generation and carbon intensity averaging 149 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.28 GW

Average grid demand for this UK day.

Peak demand 35.72 GW

Highest 15-minute grid demand period.

Avg carbon 149 gCO₂/kWh

Average carbon intensity where available.

Renewables 61.4 %

Average renewable share of tracked generation.

Average grid demandDemand
30.28 GWFull-day average from available snapshots
↓ −1.05 GW vs yesterday
Peak demand14:00
35.72 GWHighest 15-minute grid demand period
↓ −1.88 GW vs yesterday
Lowest demand04:30
22.60 GWLowest 15-minute grid demand period
↓ −0.31 GW vs yesterday
Domestic generationSupply
25.31 GWTracked UK generation sources only
↓ −1.55 GW vs yesterday
Average carbonCO₂
149 gCO₂/kWhCarbon intensity average
↑ +41 g vs yesterday
Renewable shareClean
61.4 %Wind, solar, hydro and biomass
↓ −8.6 pts vs yesterday
Clean share+ Nuclear
70.6 %Renewables plus nuclear
↓ −8.0 pts vs yesterday
Net importsFlow
3.83 GWAverage imports minus exports
↑ +0.60 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 29 May 2026, Britain’s electricity grid averaged 30.28 GW of grid demand, with renewables averaging 61.4% of tracked domestic generation and carbon intensity averaging 149 gCO₂/kWh.

The highest demand period was 35.72 GW at 14:00, while the lowest carbon intensity period was 65 gCO₂/kWh at 15:30.

Key records for 29 May 2026

Highest wind14.35 GW00:00
Highest solar10.84 GW14:00
Highest gas13.54 GW21:30
Lowest carbon65 gCO₂/kWh15:30
Highest imports6.99 GW11:00
Highest exports3.58 GW20:30

Daily chart

Demand, generation and carbon intensity

29 May 2026

Generation mix

Wind, solar, gas and interconnector flow