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Daily UK grid report
UK Electricity Grid Daily Report — 24 March 2025

On 24 March 2025, Britain’s electricity grid averaged 34.43 GW of grid demand, with renewables averaging 35.6% of tracked domestic generation and carbon intensity averaging 179 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.43 GW

Average grid demand for this UK day.

Peak demand 41.17 GW

Highest 15-minute grid demand period.

Avg carbon 179 gCO₂/kWh

Average carbon intensity where available.

Renewables 35.6 %

Average renewable share of tracked generation.

Average grid demandDemand
34.43 GWFull-day average from available snapshots
↑ +5.08 GW vs yesterday
Peak demand12:00
41.17 GWHighest 15-minute grid demand period
↑ +3.79 GW vs yesterday
Lowest demand03:15
25.38 GWLowest 15-minute grid demand period
↑ +3.03 GW vs yesterday
Domestic generationSupply
29.00 GWTracked UK generation sources only
↑ +7.34 GW vs yesterday
Average carbonCO₂
179 gCO₂/kWhCarbon intensity average
↑ +29 g vs yesterday
Renewable shareClean
35.6 %Wind, solar, hydro and biomass
↓ −3.9 pts vs yesterday
Clean share+ Nuclear
48.9 %Renewables plus nuclear
↓ −7.5 pts vs yesterday
Net importsFlow
3.44 GWAverage imports minus exports
↓ −4.06 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 24 March 2025, Britain’s electricity grid averaged 34.43 GW of grid demand, with renewables averaging 35.6% of tracked domestic generation and carbon intensity averaging 179 gCO₂/kWh.

The highest demand period was 41.17 GW at 12:00, while the lowest carbon intensity period was 130 gCO₂/kWh at 13:30.

Key records for 24 March 2025

Highest wind10.20 GW23:30
Highest solar10.36 GW12:30
Highest gas21.61 GW18:30
Lowest carbon130 gCO₂/kWh13:30
Highest imports8.03 GW09:15
Highest exports4.19 GW06:45

Daily chart

Demand, generation and carbon intensity

24 March 2025

Generation mix

Wind, solar, gas and interconnector flow