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Daily UK grid report
UK Electricity Grid Daily Report — 2 December 2025

On 2 December 2025, Britain’s electricity grid averaged 38.83 GW of grid demand, with renewables averaging 53.5% of tracked domestic generation and carbon intensity averaging 134 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 38.83 GW

Average grid demand for this UK day.

Peak demand 46.96 GW

Highest 15-minute grid demand period.

Avg carbon 134 gCO₂/kWh

Average carbon intensity where available.

Renewables 53.5 %

Average renewable share of tracked generation.

Average grid demandDemand
38.83 GWFull-day average from available snapshots
↓ −0.18 GW vs yesterday
Peak demand17:00
46.96 GWHighest 15-minute grid demand period
↑ +1.62 GW vs yesterday
Lowest demand05:15
27.39 GWLowest 15-minute grid demand period
↓ −2.59 GW vs yesterday
Domestic generationSupply
34.86 GWTracked UK generation sources only
↑ +0.77 GW vs yesterday
Average carbonCO₂
134 gCO₂/kWhCarbon intensity average
↑ +25 g vs yesterday
Renewable shareClean
53.5 %Wind, solar, hydro and biomass
↓ −7.2 pts vs yesterday
Clean share+ Nuclear
65.8 %Renewables plus nuclear
↓ −7.2 pts vs yesterday
Net importsFlow
2.11 GWAverage imports minus exports
↓ −0.88 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 2 December 2025, Britain’s electricity grid averaged 38.83 GW of grid demand, with renewables averaging 53.5% of tracked domestic generation and carbon intensity averaging 134 gCO₂/kWh.

The highest demand period was 46.96 GW at 17:00, while the lowest carbon intensity period was 51 gCO₂/kWh at 04:00.

Key records for 2 December 2025

Highest wind16.97 GW00:30
Highest solar6.41 GW11:30
Highest gas19.44 GW18:30
Lowest carbon51 gCO₂/kWh04:00
Highest imports6.78 GW01:00
Highest exports4.40 GW21:00

Daily chart

Demand, generation and carbon intensity

2 December 2025

Generation mix

Wind, solar, gas and interconnector flow