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Daily UK grid report
UK Electricity Grid Daily Report — 26 June 2026

On 26 June 2026, Britain’s electricity grid averaged 35.34 GW of grid demand, with renewables averaging 46.4% of tracked domestic generation and carbon intensity averaging 172 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 35.34 GW

Average grid demand for this UK day.

Peak demand 40.23 GW

Highest 15-minute grid demand period.

Avg carbon 172 gCO₂/kWh

Average carbon intensity where available.

Renewables 46.4 %

Average renewable share of tracked generation.

Average grid demandDemand
35.34 GWFull-day average from available snapshots
↑ +0.46 GW vs yesterday
Peak demand14:45
40.23 GWHighest 15-minute grid demand period
↓ −0.14 GW vs yesterday
Lowest demand05:15
30.55 GWLowest 15-minute grid demand period
↑ +3.58 GW vs yesterday
Domestic generationSupply
31.95 GWTracked UK generation sources only
↑ +0.81 GW vs yesterday
Average carbonCO₂
172 gCO₂/kWhCarbon intensity average
↓ −3 g vs yesterday
Renewable shareClean
46.4 %Wind, solar, hydro and biomass
↑ +1.9 pts vs yesterday
Clean share+ Nuclear
56.6 %Renewables plus nuclear
↑ +0.3 pts vs yesterday
Net importsFlow
1.19 GWAverage imports minus exports
↓ −0.26 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 26 June 2026, Britain’s electricity grid averaged 35.34 GW of grid demand, with renewables averaging 46.4% of tracked domestic generation and carbon intensity averaging 172 gCO₂/kWh.

The highest demand period was 40.23 GW at 14:45, while the lowest carbon intensity period was 118 gCO₂/kWh at 14:00.

Key records for 26 June 2026

Highest wind12.31 GW00:00
Highest solar13.85 GW12:30
Highest gas15.94 GW19:30
Lowest carbon118 gCO₂/kWh14:00
Highest imports8.39 GW09:15
Highest exports5.94 GW00:00

Daily chart

Demand, generation and carbon intensity

26 June 2026

Generation mix

Wind, solar, gas and interconnector flow