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Daily UK grid report
UK Electricity Grid Daily Report — 1 February 2025

On 1 February 2025, Britain’s electricity grid averaged 34.34 GW of grid demand, with renewables averaging 43.4% of tracked domestic generation and carbon intensity averaging 170 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.34 GW

Average grid demand for this UK day.

Peak demand 42.46 GW

Highest 15-minute grid demand period.

Avg carbon 170 gCO₂/kWh

Average carbon intensity where available.

Renewables 43.4 %

Average renewable share of tracked generation.

Average grid demandDemand
34.34 GWFull-day average from available snapshots
↓ −2.84 GW vs yesterday
Peak demand18:00
42.46 GWHighest 15-minute grid demand period
↓ −1.25 GW vs yesterday
Lowest demand03:30
26.38 GWLowest 15-minute grid demand period
↓ −2.37 GW vs yesterday
Domestic generationSupply
30.83 GWTracked UK generation sources only
↓ −1.16 GW vs yesterday
Average carbonCO₂
170 gCO₂/kWhCarbon intensity average
↓ −63 g vs yesterday
Renewable shareClean
43.4 %Wind, solar, hydro and biomass
↑ +17.9 pts vs yesterday
Clean share+ Nuclear
57.8 %Renewables plus nuclear
↑ +18.5 pts vs yesterday
Net importsFlow
2.92 GWAverage imports minus exports
↓ −1.56 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 1 February 2025, Britain’s electricity grid averaged 34.34 GW of grid demand, with renewables averaging 43.4% of tracked domestic generation and carbon intensity averaging 170 gCO₂/kWh.

The highest demand period was 42.46 GW at 18:00, while the lowest carbon intensity period was 110 gCO₂/kWh at 23:30.

Key records for 1 February 2025

Highest wind14.58 GW21:30
Highest solar2.35 GW11:00
Highest gas17.54 GW18:00
Lowest carbon110 gCO₂/kWh23:30
Highest imports5.72 GW11:45
Highest exports2.09 GW22:00

Daily chart

Demand, generation and carbon intensity

1 February 2025

Generation mix

Wind, solar, gas and interconnector flow