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Daily UK grid report
UK Electricity Grid Daily Report — 8 March 2025

On 8 March 2025, Britain’s electricity grid averaged 29.67 GW of grid demand, with renewables averaging 56.8% of tracked domestic generation and carbon intensity averaging 105 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.67 GW

Average grid demand for this UK day.

Peak demand 36.31 GW

Highest 15-minute grid demand period.

Avg carbon 105 gCO₂/kWh

Average carbon intensity where available.

Renewables 56.8 %

Average renewable share of tracked generation.

Average grid demandDemand
29.67 GWFull-day average from available snapshots
↓ −4.67 GW vs yesterday
Peak demand18:30
36.31 GWHighest 15-minute grid demand period
↓ −5.04 GW vs yesterday
Lowest demand03:00
23.16 GWLowest 15-minute grid demand period
↓ −2.83 GW vs yesterday
Domestic generationSupply
23.10 GWTracked UK generation sources only
↓ −5.56 GW vs yesterday
Average carbonCO₂
105 gCO₂/kWhCarbon intensity average
↓ −42 g vs yesterday
Renewable shareClean
56.8 %Wind, solar, hydro and biomass
↑ +12.2 pts vs yesterday
Clean share+ Nuclear
72.8 %Renewables plus nuclear
↑ +14.5 pts vs yesterday
Net importsFlow
6.11 GWAverage imports minus exports
↑ +2.42 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 8 March 2025, Britain’s electricity grid averaged 29.67 GW of grid demand, with renewables averaging 56.8% of tracked domestic generation and carbon intensity averaging 105 gCO₂/kWh.

The highest demand period was 36.31 GW at 18:30, while the lowest carbon intensity period was 60 gCO₂/kWh at 12:00.

Key records for 8 March 2025

Highest wind10.52 GW21:30
Highest solar9.63 GW12:00
Highest gas11.89 GW17:30
Lowest carbon60 gCO₂/kWh12:00
Highest imports8.08 GW21:15
Highest exports1.87 GW00:00

Daily chart

Demand, generation and carbon intensity

8 March 2025

Generation mix

Wind, solar, gas and interconnector flow