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

On 17 June 2026, Britain’s electricity grid averaged 31.17 GW of grid demand, with renewables averaging 53.9% of tracked domestic generation and carbon intensity averaging 150 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.17 GW

Average grid demand for this UK day.

Peak demand 35.48 GW

Highest 15-minute grid demand period.

Avg carbon 150 gCO₂/kWh

Average carbon intensity where available.

Renewables 53.9 %

Average renewable share of tracked generation.

Average grid demandDemand
31.17 GWFull-day average from available snapshots
↑ +0.44 GW vs yesterday
Peak demand12:30
35.48 GWHighest 15-minute grid demand period
↑ +0.07 GW vs yesterday
Lowest demand05:15
25.22 GWLowest 15-minute grid demand period
↑ +2.15 GW vs yesterday
Domestic generationSupply
26.13 GWTracked UK generation sources only
↑ +0.47 GW vs yesterday
Average carbonCO₂
150 gCO₂/kWhCarbon intensity average
↓ −51 g vs yesterday
Renewable shareClean
53.9 %Wind, solar, hydro and biomass
↑ +13.2 pts vs yesterday
Clean share+ Nuclear
65.3 %Renewables plus nuclear
↑ +12.8 pts vs yesterday
Net importsFlow
3.50 GWAverage imports minus exports
↓ −0.16 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 17 June 2026, Britain’s electricity grid averaged 31.17 GW of grid demand, with renewables averaging 53.9% of tracked domestic generation and carbon intensity averaging 150 gCO₂/kWh.

The highest demand period was 35.48 GW at 12:30, while the lowest carbon intensity period was 114 gCO₂/kWh at 08:30.

Key records for 17 June 2026

Highest wind11.33 GW15:30
Highest solar8.33 GW12:30
Highest gas11.32 GW23:30
Lowest carbon114 gCO₂/kWh08:30
Highest imports8.39 GW10:30
Highest exports3.76 GW04:00

Daily chart

Demand, generation and carbon intensity

17 June 2026

Generation mix

Wind, solar, gas and interconnector flow