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Daily UK grid report
UK Electricity Grid Daily Report — 11 April 2025

On 11 April 2025, Britain’s electricity grid averaged 31.09 GW of grid demand, with renewables averaging 45.3% of tracked domestic generation and carbon intensity averaging 138 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.09 GW

Average grid demand for this UK day.

Peak demand 36.27 GW

Highest 15-minute grid demand period.

Avg carbon 138 gCO₂/kWh

Average carbon intensity where available.

Renewables 45.3 %

Average renewable share of tracked generation.

Average grid demandDemand
31.09 GWFull-day average from available snapshots
↓ −0.72 GW vs yesterday
Peak demand09:15
36.27 GWHighest 15-minute grid demand period
↓ −1.08 GW vs yesterday
Lowest demand04:45
24.74 GWLowest 15-minute grid demand period
↑ +0.11 GW vs yesterday
Domestic generationSupply
25.63 GWTracked UK generation sources only
↓ −0.64 GW vs yesterday
Average carbonCO₂
138 gCO₂/kWhCarbon intensity average
↓ −12 g vs yesterday
Renewable shareClean
45.3 %Wind, solar, hydro and biomass
↑ +1.9 pts vs yesterday
Clean share+ Nuclear
63.2 %Renewables plus nuclear
↑ +2.2 pts vs yesterday
Net importsFlow
3.96 GWAverage imports minus exports
↓ −0.41 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 11 April 2025, Britain’s electricity grid averaged 31.09 GW of grid demand, with renewables averaging 45.3% of tracked domestic generation and carbon intensity averaging 138 gCO₂/kWh.

The highest demand period was 36.27 GW at 09:15, while the lowest carbon intensity period was 77 gCO₂/kWh at 12:30.

Key records for 11 April 2025

Highest wind7.71 GW00:30
Highest solar12.91 GW13:00
Highest gas16.10 GW20:30
Lowest carbon77 gCO₂/kWh12:30
Highest imports7.05 GW16:00
Highest exports2.43 GW06:00

Daily chart

Demand, generation and carbon intensity

11 April 2025

Generation mix

Wind, solar, gas and interconnector flow