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Daily UK grid report
UK Electricity Grid Daily Report — 12 June 2026

On 12 June 2026, Britain’s electricity grid averaged 30.95 GW of grid demand, with renewables averaging 71.7% of tracked domestic generation and carbon intensity averaging 92 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.95 GW

Average grid demand for this UK day.

Peak demand 37.70 GW

Highest 15-minute grid demand period.

Avg carbon 92 gCO₂/kWh

Average carbon intensity where available.

Renewables 71.7 %

Average renewable share of tracked generation.

Average grid demandDemand
30.95 GWFull-day average from available snapshots
↓ −0.27 GW vs yesterday
Peak demand14:00
37.70 GWHighest 15-minute grid demand period
↑ +0.74 GW vs yesterday
Lowest demand05:15
24.79 GWLowest 15-minute grid demand period
↑ +1.30 GW vs yesterday
Domestic generationSupply
27.83 GWTracked UK generation sources only
↑ +1.78 GW vs yesterday
Average carbonCO₂
92 gCO₂/kWhCarbon intensity average
↓ −59 g vs yesterday
Renewable shareClean
71.7 %Wind, solar, hydro and biomass
↑ +16.0 pts vs yesterday
Clean share+ Nuclear
82.7 %Renewables plus nuclear
↑ +15.2 pts vs yesterday
Net importsFlow
1.83 GWAverage imports minus exports
↓ −2.36 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 12 June 2026, Britain’s electricity grid averaged 30.95 GW of grid demand, with renewables averaging 71.7% of tracked domestic generation and carbon intensity averaging 92 gCO₂/kWh.

The highest demand period was 37.70 GW at 14:00, while the lowest carbon intensity period was 45 gCO₂/kWh at 14:00.

Key records for 12 June 2026

Highest wind18.16 GW18:30
Highest solar11.45 GW14:00
Highest gas5.99 GW22:00
Lowest carbon45 gCO₂/kWh14:00
Highest imports7.39 GW09:00
Highest exports3.87 GW23:45

Daily chart

Demand, generation and carbon intensity

12 June 2026

Generation mix

Wind, solar, gas and interconnector flow