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Daily UK grid report
UK Electricity Grid Daily Report — 13 June 2025

On 13 June 2025, Britain’s electricity grid averaged 30.57 GW of grid demand, with renewables averaging 56.2% of tracked domestic generation and carbon intensity averaging 116 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.57 GW

Average grid demand for this UK day.

Peak demand 36.04 GW

Highest 15-minute grid demand period.

Avg carbon 116 gCO₂/kWh

Average carbon intensity where available.

Renewables 56.2 %

Average renewable share of tracked generation.

Average grid demandDemand
30.57 GWFull-day average from available snapshots
↓ −1.54 GW vs yesterday
Peak demand11:45
36.04 GWHighest 15-minute grid demand period
↓ −2.78 GW vs yesterday
Lowest demand04:30
23.48 GWLowest 15-minute grid demand period
↓ −1.55 GW vs yesterday
Domestic generationSupply
24.98 GWTracked UK generation sources only
↓ −3.26 GW vs yesterday
Average carbonCO₂
116 gCO₂/kWhCarbon intensity average
↑ +32 g vs yesterday
Renewable shareClean
56.2 %Wind, solar, hydro and biomass
↓ −12.1 pts vs yesterday
Clean share+ Nuclear
69.2 %Renewables plus nuclear
↓ −10.2 pts vs yesterday
Net importsFlow
4.52 GWAverage imports minus exports
↑ +2.53 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 13 June 2025, Britain’s electricity grid averaged 30.57 GW of grid demand, with renewables averaging 56.2% of tracked domestic generation and carbon intensity averaging 116 gCO₂/kWh.

The highest demand period was 36.04 GW at 11:45, while the lowest carbon intensity period was 58 gCO₂/kWh at 11:30.

Key records for 13 June 2025

Highest wind8.96 GW11:30
Highest solar12.39 GW12:30
Highest gas12.52 GW19:00
Lowest carbon58 gCO₂/kWh11:30
Highest imports7.14 GW23:00
Highest exports2.19 GW04:00

Daily chart

Demand, generation and carbon intensity

13 June 2025

Generation mix

Wind, solar, gas and interconnector flow