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Daily UK grid report
UK Electricity Grid Today — 31 July 2026

On 31 July 2026, Britain’s electricity grid averaged 25.14 GW of grid demand, with renewables averaging 29.9% of tracked domestic generation and carbon intensity averaging 180 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 25.14 GW

Average grid demand for this UK day.

Peak demand 25.70 GW

Highest 15-minute grid demand period.

Avg carbon 180 gCO₂/kWh

Average carbon intensity where available.

Renewables 29.9 %

Average renewable share of tracked generation.

Average grid demandDemand
25.14 GWFull-day average from available snapshots
↓ −4.15 GW vs yesterday
Peak demand02:00
25.70 GWHighest 15-minute grid demand period
↓ −10.05 GW vs yesterday
Lowest demand01:45
24.57 GWLowest 15-minute grid demand period
↑ +2.19 GW vs yesterday
Domestic generationSupply
22.55 GWTracked UK generation sources only
↓ −0.84 GW vs yesterday
Average carbonCO₂
180 gCO₂/kWhCarbon intensity average
↑ +36 g vs yesterday
Renewable shareClean
29.9 %Wind, solar, hydro and biomass
↓ −13.5 pts vs yesterday
Clean share+ Nuclear
46.6 %Renewables plus nuclear
↓ −12.5 pts vs yesterday
Net importsFlow
0.25 GWAverage imports minus exports
↓ −4.39 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 31 July 2026, Britain’s electricity grid averaged 25.14 GW of grid demand, with renewables averaging 29.9% of tracked domestic generation and carbon intensity averaging 180 gCO₂/kWh.

The highest demand period was 25.70 GW at 02:00, while the lowest carbon intensity period was 168 gCO₂/kWh at 00:30.

Key records for 31 July 2026

Highest wind4.18 GW01:15
Highest solar0.00 GW00:00
Highest gas11.36 GW00:00
Lowest carbon168 gCO₂/kWh00:30
Highest imports3.30 GW02:00
Highest exports3.55 GW02:00

Daily chart

Demand, generation and carbon intensity

31 July 2026

Generation mix

Wind, solar, gas and interconnector flow