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Daily UK grid report
UK Electricity Grid Daily Report — 17 July 2026

On 17 July 2026, Britain’s electricity grid averaged 30.36 GW of grid demand, with renewables averaging 44.0% of tracked domestic generation and carbon intensity averaging 184 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.36 GW

Average grid demand for this UK day.

Peak demand 36.02 GW

Highest 15-minute grid demand period.

Avg carbon 184 gCO₂/kWh

Average carbon intensity where available.

Renewables 44.0 %

Average renewable share of tracked generation.

Average grid demandDemand
30.36 GWFull-day average from available snapshots
↓ −0.96 GW vs yesterday
Peak demand13:00
36.02 GWHighest 15-minute grid demand period
↓ −1.67 GW vs yesterday
Lowest demand04:15
25.48 GWLowest 15-minute grid demand period
↑ +0.83 GW vs yesterday
Domestic generationSupply
25.84 GWTracked UK generation sources only
↓ −1.20 GW vs yesterday
Average carbonCO₂
184 gCO₂/kWhCarbon intensity average
↓ −16 g vs yesterday
Renewable shareClean
44.0 %Wind, solar, hydro and biomass
↑ +3.7 pts vs yesterday
Clean share+ Nuclear
57.4 %Renewables plus nuclear
↑ +4.2 pts vs yesterday
Net importsFlow
3.20 GWAverage imports minus exports
↑ +0.64 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 17 July 2026, Britain’s electricity grid averaged 30.36 GW of grid demand, with renewables averaging 44.0% of tracked domestic generation and carbon intensity averaging 184 gCO₂/kWh.

The highest demand period was 36.02 GW at 13:00, while the lowest carbon intensity period was 107 gCO₂/kWh at 13:30.

Key records for 17 July 2026

Highest wind6.54 GW21:30
Highest solar13.66 GW12:30
Highest gas14.99 GW00:00
Lowest carbon107 gCO₂/kWh13:30
Highest imports8.88 GW09:15
Highest exports4.29 GW05:45

Daily chart

Demand, generation and carbon intensity

17 July 2026

Generation mix

Wind, solar, gas and interconnector flow