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Daily UK grid report
UK Electricity Grid Daily Report — 28 October 2025

On 28 October 2025, Britain’s electricity grid averaged 34.62 GW of grid demand, with renewables averaging 74.3% of tracked domestic generation and carbon intensity averaging 73 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.62 GW

Average grid demand for this UK day.

Peak demand 40.70 GW

Highest 15-minute grid demand period.

Avg carbon 73 gCO₂/kWh

Average carbon intensity where available.

Renewables 74.3 %

Average renewable share of tracked generation.

Average grid demandDemand
34.62 GWFull-day average from available snapshots
No change vs yesterday
Peak demand11:00
40.70 GWHighest 15-minute grid demand period
↑ +0.04 GW vs yesterday
Lowest demand02:15
26.35 GWLowest 15-minute grid demand period
↓ −1.00 GW vs yesterday
Domestic generationSupply
30.89 GWTracked UK generation sources only
↑ +1.16 GW vs yesterday
Average carbonCO₂
73 gCO₂/kWhCarbon intensity average
↓ −23 g vs yesterday
Renewable shareClean
74.3 %Wind, solar, hydro and biomass
↑ +7.7 pts vs yesterday
Clean share+ Nuclear
87.0 %Renewables plus nuclear
↑ +7.2 pts vs yesterday
Net importsFlow
2.51 GWAverage imports minus exports
↓ −1.27 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 28 October 2025, Britain’s electricity grid averaged 34.62 GW of grid demand, with renewables averaging 74.3% of tracked domestic generation and carbon intensity averaging 73 gCO₂/kWh.

The highest demand period was 40.70 GW at 11:00, while the lowest carbon intensity period was 42 gCO₂/kWh at 02:00.

Key records for 28 October 2025

Highest wind21.50 GW11:30
Highest solar7.23 GW11:00
Highest gas8.47 GW17:30
Lowest carbon42 gCO₂/kWh02:00
Highest imports6.71 GW19:00
Highest exports3.21 GW05:00

Daily chart

Demand, generation and carbon intensity

28 October 2025

Generation mix

Wind, solar, gas and interconnector flow