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Daily UK grid report
UK Electricity Grid Daily Report — 26 April 2025

On 26 April 2025, Britain’s electricity grid averaged 27.49 GW of grid demand, with renewables averaging 46.2% of tracked domestic generation and carbon intensity averaging 131 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.49 GW

Average grid demand for this UK day.

Peak demand 31.88 GW

Highest 15-minute grid demand period.

Avg carbon 131 gCO₂/kWh

Average carbon intensity where available.

Renewables 46.2 %

Average renewable share of tracked generation.

Average grid demandDemand
27.49 GWFull-day average from available snapshots
↓ −3.43 GW vs yesterday
Peak demand11:00
31.88 GWHighest 15-minute grid demand period
↓ −3.87 GW vs yesterday
Lowest demand05:30
22.43 GWLowest 15-minute grid demand period
↓ −2.22 GW vs yesterday
Domestic generationSupply
20.54 GWTracked UK generation sources only
↓ −4.99 GW vs yesterday
Average carbonCO₂
131 gCO₂/kWhCarbon intensity average
↓ −28 g vs yesterday
Renewable shareClean
46.2 %Wind, solar, hydro and biomass
↑ +2.8 pts vs yesterday
Clean share+ Nuclear
63.8 %Renewables plus nuclear
↑ +6.9 pts vs yesterday
Net importsFlow
6.27 GWAverage imports minus exports
↑ +2.48 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 26 April 2025, Britain’s electricity grid averaged 27.49 GW of grid demand, with renewables averaging 46.2% of tracked domestic generation and carbon intensity averaging 131 gCO₂/kWh.

The highest demand period was 31.88 GW at 11:00, while the lowest carbon intensity period was 86 gCO₂/kWh at 14:00.

Key records for 26 April 2025

Highest wind7.50 GW23:30
Highest solar9.12 GW12:30
Highest gas9.35 GW20:30
Lowest carbon86 gCO₂/kWh14:00
Highest imports8.58 GW17:15
Highest exports2.29 GW04:00

Daily chart

Demand, generation and carbon intensity

26 April 2025

Generation mix

Wind, solar, gas and interconnector flow