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Daily UK grid report
UK Electricity Grid Daily Report — 25 April 2026

On 25 April 2026, Britain’s electricity grid averaged 27.96 GW of grid demand, with renewables averaging 45.4% of tracked domestic generation and carbon intensity averaging 159 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.96 GW

Average grid demand for this UK day.

Peak demand 31.67 GW

Highest 15-minute grid demand period.

Avg carbon 159 gCO₂/kWh

Average carbon intensity where available.

Renewables 45.4 %

Average renewable share of tracked generation.

Average grid demandDemand
27.96 GWFull-day average from available snapshots
↓ −2.21 GW vs yesterday
Peak demand12:00
31.67 GWHighest 15-minute grid demand period
↓ −3.50 GW vs yesterday
Lowest demand05:15
22.92 GWLowest 15-minute grid demand period
↓ −1.31 GW vs yesterday
Domestic generationSupply
20.70 GWTracked UK generation sources only
↓ −2.27 GW vs yesterday
Average carbonCO₂
159 gCO₂/kWhCarbon intensity average
↓ −69 g vs yesterday
Renewable shareClean
45.4 %Wind, solar, hydro and biomass
↑ +2.5 pts vs yesterday
Clean share+ Nuclear
70.8 %Renewables plus nuclear
↑ +3.8 pts vs yesterday
Net importsFlow
6.54 GWAverage imports minus exports
↑ +0.06 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 25 April 2026, Britain’s electricity grid averaged 27.96 GW of grid demand, with renewables averaging 45.4% of tracked domestic generation and carbon intensity averaging 159 gCO₂/kWh.

The highest demand period was 31.67 GW at 12:00, while the lowest carbon intensity period was 88 gCO₂/kWh at 13:00.

Key records for 25 April 2026

Highest wind3.62 GW23:30
Highest solar14.59 GW13:00
Highest gas8.54 GW22:00
Lowest carbon88 gCO₂/kWh13:00
Highest imports7.84 GW09:00
Highest exports0.97 GW13:30

Daily chart

Demand, generation and carbon intensity

25 April 2026

Generation mix

Wind, solar, gas and interconnector flow