Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 31 December 2024

On 31 December 2024, Britain’s electricity grid averaged 34.01 GW of grid demand, with renewables averaging 69.0% of tracked domestic generation and carbon intensity averaging 61 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.01 GW

Average grid demand for this UK day.

Peak demand 40.04 GW

Highest 15-minute grid demand period.

Avg carbon 61 gCO₂/kWh

Average carbon intensity where available.

Renewables 69.0 %

Average renewable share of tracked generation.

Average grid demandDemand
34.01 GWFull-day average from available snapshots
↑ +0.11 GW vs yesterday
Peak demand17:00
40.04 GWHighest 15-minute grid demand period
↑ +0.24 GW vs yesterday
Lowest demand01:30
28.13 GWLowest 15-minute grid demand period
↑ +0.65 GW vs yesterday
Domestic generationSupply
32.04 GWTracked UK generation sources only
↑ +1.32 GW vs yesterday
Average carbonCO₂
61 gCO₂/kWhCarbon intensity average
↓ −3 g vs yesterday
Renewable shareClean
69.0 %Wind, solar, hydro and biomass
↑ +3.2 pts vs yesterday
Clean share+ Nuclear
84.9 %Renewables plus nuclear
↑ +2.4 pts vs yesterday
Net importsFlow
0.15 GWAverage imports minus exports
↓ −1.43 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 31 December 2024, Britain’s electricity grid averaged 34.01 GW of grid demand, with renewables averaging 69.0% of tracked domestic generation and carbon intensity averaging 61 gCO₂/kWh.

The highest demand period was 40.04 GW at 17:00, while the lowest carbon intensity period was 50 gCO₂/kWh at 00:00.

Key records for 31 December 2024

Highest wind21.85 GW17:00
Highest solar1.88 GW11:00
Highest gas5.35 GW09:30
Lowest carbon50 gCO₂/kWh00:00
Highest imports3.82 GW00:00
Highest exports4.56 GW04:00

Daily chart

Demand, generation and carbon intensity

31 December 2024

Generation mix

Wind, solar, gas and interconnector flow