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Daily UK grid report
UK Electricity Grid Daily Report — 23 February 2025

On 23 February 2025, Britain’s electricity grid averaged 34.59 GW of grid demand, with renewables averaging 67.0% of tracked domestic generation and carbon intensity averaging 77 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.59 GW

Average grid demand for this UK day.

Peak demand 42.83 GW

Highest 15-minute grid demand period.

Avg carbon 77 gCO₂/kWh

Average carbon intensity where available.

Renewables 67.0 %

Average renewable share of tracked generation.

Average grid demandDemand
34.59 GWFull-day average from available snapshots
↑ +2.90 GW vs yesterday
Peak demand17:00
42.83 GWHighest 15-minute grid demand period
↑ +4.44 GW vs yesterday
Lowest demand01:15
27.19 GWLowest 15-minute grid demand period
↑ +1.93 GW vs yesterday
Domestic generationSupply
31.37 GWTracked UK generation sources only
↑ +5.83 GW vs yesterday
Average carbonCO₂
77 gCO₂/kWhCarbon intensity average
No change vs yesterday
Renewable shareClean
67.0 %Wind, solar, hydro and biomass
↑ +7.1 pts vs yesterday
Clean share+ Nuclear
82.2 %Renewables plus nuclear
↑ +3.8 pts vs yesterday
Net importsFlow
1.63 GWAverage imports minus exports
↓ −3.81 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 23 February 2025, Britain’s electricity grid averaged 34.59 GW of grid demand, with renewables averaging 67.0% of tracked domestic generation and carbon intensity averaging 77 gCO₂/kWh.

The highest demand period was 42.83 GW at 17:00, while the lowest carbon intensity period was 50 gCO₂/kWh at 13:00.

Key records for 23 February 2025

Highest wind22.24 GW14:00
Highest solar1.92 GW12:00
Highest gas6.81 GW18:00
Lowest carbon50 gCO₂/kWh13:00
Highest imports7.40 GW13:00
Highest exports5.16 GW23:00

Daily chart

Demand, generation and carbon intensity

23 February 2025

Generation mix

Wind, solar, gas and interconnector flow