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Daily UK grid report
UK Electricity Grid Daily Report — 19 February 2025

On 19 February 2025, Britain’s electricity grid averaged 39.15 GW of grid demand, with renewables averaging 57.2% of tracked domestic generation and carbon intensity averaging 121 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 39.15 GW

Average grid demand for this UK day.

Peak demand 46.23 GW

Highest 15-minute grid demand period.

Avg carbon 121 gCO₂/kWh

Average carbon intensity where available.

Renewables 57.2 %

Average renewable share of tracked generation.

Average grid demandDemand
39.15 GWFull-day average from available snapshots
↓ −0.92 GW vs yesterday
Peak demand18:15
46.23 GWHighest 15-minute grid demand period
↓ −1.69 GW vs yesterday
Lowest demand04:15
29.56 GWLowest 15-minute grid demand period
↓ −1.58 GW vs yesterday
Domestic generationSupply
35.06 GWTracked UK generation sources only
↓ −1.95 GW vs yesterday
Average carbonCO₂
121 gCO₂/kWhCarbon intensity average
↓ −19 g vs yesterday
Renewable shareClean
57.2 %Wind, solar, hydro and biomass
↑ +3.4 pts vs yesterday
Clean share+ Nuclear
70.6 %Renewables plus nuclear
↑ +4.6 pts vs yesterday
Net importsFlow
3.72 GWAverage imports minus exports
↑ +1.89 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 19 February 2025, Britain’s electricity grid averaged 39.15 GW of grid demand, with renewables averaging 57.2% of tracked domestic generation and carbon intensity averaging 121 gCO₂/kWh.

The highest demand period was 46.23 GW at 18:15, while the lowest carbon intensity period was 66 gCO₂/kWh at 03:30.

Key records for 19 February 2025

Highest wind17.87 GW05:00
Highest solar3.08 GW13:00
Highest gas17.05 GW18:00
Lowest carbon66 gCO₂/kWh03:30
Highest imports7.92 GW13:15
Highest exports3.50 GW06:45

Daily chart

Demand, generation and carbon intensity

19 February 2025

Generation mix

Wind, solar, gas and interconnector flow