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Daily UK grid report
UK Electricity Grid Daily Report — 14 June 2025

On 14 June 2025, Britain’s electricity grid averaged 27.63 GW of grid demand, with renewables averaging 62.1% of tracked domestic generation and carbon intensity averaging 75 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.63 GW

Average grid demand for this UK day.

Peak demand 33.52 GW

Highest 15-minute grid demand period.

Avg carbon 75 gCO₂/kWh

Average carbon intensity where available.

Renewables 62.1 %

Average renewable share of tracked generation.

Average grid demandDemand
27.63 GWFull-day average from available snapshots
↓ −2.94 GW vs yesterday
Peak demand13:00
33.52 GWHighest 15-minute grid demand period
↓ −2.52 GW vs yesterday
Lowest demand04:30
21.43 GWLowest 15-minute grid demand period
↓ −2.06 GW vs yesterday
Domestic generationSupply
22.57 GWTracked UK generation sources only
↓ −2.42 GW vs yesterday
Average carbonCO₂
75 gCO₂/kWhCarbon intensity average
↓ −41 g vs yesterday
Renewable shareClean
62.1 %Wind, solar, hydro and biomass
↑ +5.9 pts vs yesterday
Clean share+ Nuclear
79.9 %Renewables plus nuclear
↑ +10.7 pts vs yesterday
Net importsFlow
3.72 GWAverage imports minus exports
↓ −0.79 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 14 June 2025, Britain’s electricity grid averaged 27.63 GW of grid demand, with renewables averaging 62.1% of tracked domestic generation and carbon intensity averaging 75 gCO₂/kWh.

The highest demand period was 33.52 GW at 13:00, while the lowest carbon intensity period was 40 gCO₂/kWh at 13:30.

Key records for 14 June 2025

Highest wind12.36 GW16:30
Highest solar11.49 GW13:00
Highest gas5.22 GW22:00
Lowest carbon40 gCO₂/kWh13:30
Highest imports7.20 GW00:00
Highest exports2.59 GW16:30

Daily chart

Demand, generation and carbon intensity

14 June 2025

Generation mix

Wind, solar, gas and interconnector flow