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Daily UK grid report
UK Electricity Grid Daily Report — 13 February 2025

On 13 February 2025, Britain’s electricity grid averaged 39.51 GW of grid demand, with renewables averaging 30.6% of tracked domestic generation and carbon intensity averaging 220 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 39.51 GW

Average grid demand for this UK day.

Peak demand 48.36 GW

Highest 15-minute grid demand period.

Avg carbon 220 gCO₂/kWh

Average carbon intensity where available.

Renewables 30.6 %

Average renewable share of tracked generation.

Average grid demandDemand
39.51 GWFull-day average from available snapshots
↑ +0.43 GW vs yesterday
Peak demand17:00
48.36 GWHighest 15-minute grid demand period
↑ +1.29 GW vs yesterday
Lowest demand04:30
28.93 GWLowest 15-minute grid demand period
↑ +1.65 GW vs yesterday
Domestic generationSupply
35.85 GWTracked UK generation sources only
↑ +1.25 GW vs yesterday
Average carbonCO₂
220 gCO₂/kWhCarbon intensity average
↑ +26 g vs yesterday
Renewable shareClean
30.6 %Wind, solar, hydro and biomass
↓ −5.5 pts vs yesterday
Clean share+ Nuclear
43.0 %Renewables plus nuclear
↓ −6.2 pts vs yesterday
Net importsFlow
2.45 GWAverage imports minus exports
↓ −1.37 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 13 February 2025, Britain’s electricity grid averaged 39.51 GW of grid demand, with renewables averaging 30.6% of tracked domestic generation and carbon intensity averaging 220 gCO₂/kWh.

The highest demand period was 48.36 GW at 17:00, while the lowest carbon intensity period was 173 gCO₂/kWh at 00:00.

Key records for 13 February 2025

Highest wind8.39 GW21:30
Highest solar1.76 GW12:00
Highest gas24.92 GW17:00
Lowest carbon173 gCO₂/kWh00:00
Highest imports6.33 GW15:00
Highest exports3.38 GW07:00

Daily chart

Demand, generation and carbon intensity

13 February 2025

Generation mix

Wind, solar, gas and interconnector flow