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Daily UK grid report
UK Electricity Grid Daily Report — 8 January 2025

On 8 January 2025, Britain’s electricity grid averaged 40.71 GW of grid demand, with renewables averaging 31.4% of tracked domestic generation and carbon intensity averaging 194 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 40.71 GW

Average grid demand for this UK day.

Peak demand 47.75 GW

Highest 15-minute grid demand period.

Avg carbon 194 gCO₂/kWh

Average carbon intensity where available.

Renewables 31.4 %

Average renewable share of tracked generation.

Average grid demandDemand
40.71 GWFull-day average from available snapshots
↓ −0.17 GW vs yesterday
Peak demand17:30
47.75 GWHighest 15-minute grid demand period
↓ −1.74 GW vs yesterday
Lowest demand04:30
30.25 GWLowest 15-minute grid demand period
↑ +0.35 GW vs yesterday
Domestic generationSupply
35.72 GWTracked UK generation sources only
No change vs yesterday
Average carbonCO₂
194 gCO₂/kWhCarbon intensity average
↑ +81 g vs yesterday
Renewable shareClean
31.4 %Wind, solar, hydro and biomass
↓ −24.0 pts vs yesterday
Clean share+ Nuclear
45.7 %Renewables plus nuclear
↓ −24.2 pts vs yesterday
Net importsFlow
4.53 GWAverage imports minus exports
↑ +0.09 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 8 January 2025, Britain’s electricity grid averaged 40.71 GW of grid demand, with renewables averaging 31.4% of tracked domestic generation and carbon intensity averaging 194 gCO₂/kWh.

The highest demand period was 47.75 GW at 17:30, while the lowest carbon intensity period was 82 gCO₂/kWh at 00:00.

Key records for 8 January 2025

Highest wind16.15 GW00:00
Highest solar1.46 GW11:30
Highest gas25.43 GW16:30
Lowest carbon82 gCO₂/kWh00:00
Highest imports6.28 GW17:00
Highest exports1.04 GW06:45

Daily chart

Demand, generation and carbon intensity

8 January 2025

Generation mix

Wind, solar, gas and interconnector flow