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Daily UK grid report
UK Electricity Grid Daily Report — 10 May 2025

On 10 May 2025, Britain’s electricity grid averaged 27.26 GW of grid demand, with renewables averaging 57.9% of tracked domestic generation and carbon intensity averaging 89 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.26 GW

Average grid demand for this UK day.

Peak demand 31.87 GW

Highest 15-minute grid demand period.

Avg carbon 89 gCO₂/kWh

Average carbon intensity where available.

Renewables 57.9 %

Average renewable share of tracked generation.

Average grid demandDemand
27.26 GWFull-day average from available snapshots
↓ −3.06 GW vs yesterday
Peak demand12:00
31.87 GWHighest 15-minute grid demand period
↓ −3.30 GW vs yesterday
Lowest demand05:00
21.87 GWLowest 15-minute grid demand period
↓ −2.21 GW vs yesterday
Domestic generationSupply
21.35 GWTracked UK generation sources only
↓ −3.23 GW vs yesterday
Average carbonCO₂
89 gCO₂/kWhCarbon intensity average
↓ −55 g vs yesterday
Renewable shareClean
57.9 %Wind, solar, hydro and biomass
↑ +12.1 pts vs yesterday
Clean share+ Nuclear
76.3 %Renewables plus nuclear
↑ +15.4 pts vs yesterday
Net importsFlow
4.67 GWAverage imports minus exports
↑ +0.54 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 10 May 2025, Britain’s electricity grid averaged 27.26 GW of grid demand, with renewables averaging 57.9% of tracked domestic generation and carbon intensity averaging 89 gCO₂/kWh.

The highest demand period was 31.87 GW at 12:00, while the lowest carbon intensity period was 46 gCO₂/kWh at 16:00.

Key records for 10 May 2025

Highest wind9.40 GW22:00
Highest solar13.17 GW12:00
Highest gas7.16 GW19:30
Lowest carbon46 gCO₂/kWh16:00
Highest imports7.93 GW10:15
Highest exports2.53 GW18:45

Daily chart

Demand, generation and carbon intensity

10 May 2025

Generation mix

Wind, solar, gas and interconnector flow