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Daily UK grid report
UK Electricity Grid Daily Report — 6 April 2025

On 6 April 2025, Britain’s electricity grid averaged 28.93 GW of grid demand, with renewables averaging 57.9% of tracked domestic generation and carbon intensity averaging 86 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.93 GW

Average grid demand for this UK day.

Peak demand 33.59 GW

Highest 15-minute grid demand period.

Avg carbon 86 gCO₂/kWh

Average carbon intensity where available.

Renewables 57.9 %

Average renewable share of tracked generation.

Average grid demandDemand
28.93 GWFull-day average from available snapshots
↓ −0.77 GW vs yesterday
Peak demand12:30
33.59 GWHighest 15-minute grid demand period
↓ −1.76 GW vs yesterday
Lowest demand04:00
22.62 GWLowest 15-minute grid demand period
↓ −2.51 GW vs yesterday
Domestic generationSupply
23.13 GWTracked UK generation sources only
↓ −1.57 GW vs yesterday
Average carbonCO₂
86 gCO₂/kWhCarbon intensity average
↑ +28 g vs yesterday
Renewable shareClean
57.9 %Wind, solar, hydro and biomass
↓ −9.2 pts vs yesterday
Clean share+ Nuclear
78.0 %Renewables plus nuclear
↓ −7.4 pts vs yesterday
Net importsFlow
4.89 GWAverage imports minus exports
↑ +1.31 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 6 April 2025, Britain’s electricity grid averaged 28.93 GW of grid demand, with renewables averaging 57.9% of tracked domestic generation and carbon intensity averaging 86 gCO₂/kWh.

The highest demand period was 33.59 GW at 12:30, while the lowest carbon intensity period was 46 gCO₂/kWh at 12:00.

Key records for 6 April 2025

Highest wind10.90 GW00:30
Highest solar13.74 GW13:00
Highest gas11.34 GW20:30
Lowest carbon46 gCO₂/kWh12:00
Highest imports7.03 GW09:00
Highest exports1.93 GW23:45

Daily chart

Demand, generation and carbon intensity

6 April 2025

Generation mix

Wind, solar, gas and interconnector flow