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Daily UK grid report
UK Electricity Grid Daily Report — 12 November 2025

On 12 November 2025, Britain’s electricity grid averaged 35.48 GW of grid demand, with renewables averaging 63.6% of tracked domestic generation and carbon intensity averaging 104 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 35.48 GW

Average grid demand for this UK day.

Peak demand 42.63 GW

Highest 15-minute grid demand period.

Avg carbon 104 gCO₂/kWh

Average carbon intensity where available.

Renewables 63.6 %

Average renewable share of tracked generation.

Average grid demandDemand
35.48 GWFull-day average from available snapshots
↑ +0.09 GW vs yesterday
Peak demand18:00
42.63 GWHighest 15-minute grid demand period
↓ −1.72 GW vs yesterday
Lowest demand04:15
27.13 GWLowest 15-minute grid demand period
↑ +2.27 GW vs yesterday
Domestic generationSupply
30.22 GWTracked UK generation sources only
↓ −0.32 GW vs yesterday
Average carbonCO₂
104 gCO₂/kWhCarbon intensity average
No change vs yesterday
Renewable shareClean
63.6 %Wind, solar, hydro and biomass
↓ −3.0 pts vs yesterday
Clean share+ Nuclear
74.5 %Renewables plus nuclear
↓ −3.0 pts vs yesterday
Net importsFlow
3.91 GWAverage imports minus exports
↑ +0.41 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 12 November 2025, Britain’s electricity grid averaged 35.48 GW of grid demand, with renewables averaging 63.6% of tracked domestic generation and carbon intensity averaging 104 gCO₂/kWh.

The highest demand period was 42.63 GW at 18:00, while the lowest carbon intensity period was 41 gCO₂/kWh at 01:30.

Key records for 12 November 2025

Highest wind19.21 GW00:00
Highest solar2.65 GW12:30
Highest gas15.49 GW16:30
Lowest carbon41 gCO₂/kWh01:30
Highest imports7.35 GW21:00
Highest exports3.30 GW07:45

Daily chart

Demand, generation and carbon intensity

12 November 2025

Generation mix

Wind, solar, gas and interconnector flow