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Daily UK grid report
UK Electricity Grid Daily Report — 22 January 2025

On 22 January 2025, Britain’s electricity grid averaged 38.21 GW of grid demand, with renewables averaging 14.9% of tracked domestic generation and carbon intensity averaging 269 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 38.21 GW

Average grid demand for this UK day.

Peak demand 44.49 GW

Highest 15-minute grid demand period.

Avg carbon 269 gCO₂/kWh

Average carbon intensity where available.

Renewables 14.9 %

Average renewable share of tracked generation.

Average grid demandDemand
38.21 GWFull-day average from available snapshots
↓ −0.99 GW vs yesterday
Peak demand12:00
44.49 GWHighest 15-minute grid demand period
↓ −0.97 GW vs yesterday
Lowest demand03:30
29.03 GWLowest 15-minute grid demand period
↓ −2.00 GW vs yesterday
Domestic generationSupply
34.14 GWTracked UK generation sources only
↓ −2.80 GW vs yesterday
Average carbonCO₂
269 gCO₂/kWhCarbon intensity average
↑ +11 g vs yesterday
Renewable shareClean
14.9 %Wind, solar, hydro and biomass
↓ −7.3 pts vs yesterday
Clean share+ Nuclear
26.6 %Renewables plus nuclear
↓ −5.8 pts vs yesterday
Net importsFlow
3.88 GWAverage imports minus exports
↑ +2.73 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 22 January 2025, Britain’s electricity grid averaged 38.21 GW of grid demand, with renewables averaging 14.9% of tracked domestic generation and carbon intensity averaging 269 gCO₂/kWh.

The highest demand period was 44.49 GW at 12:00, while the lowest carbon intensity period was 227 gCO₂/kWh at 23:30.

Key records for 22 January 2025

Highest wind3.02 GW23:30
Highest solar2.87 GW12:30
Highest gas27.02 GW09:00
Lowest carbon227 gCO₂/kWh23:30
Highest imports5.56 GW16:30
Highest exports2.55 GW05:00

Daily chart

Demand, generation and carbon intensity

22 January 2025

Generation mix

Wind, solar, gas and interconnector flow