Electricity Live

Great Britain’s electricity on Monday 11 August 2025

On Monday 11 August, demand averaged 28.0 GW. Renewables supplied 28%.

28.0GW AVERAGEWind4.89 GW16%Hydro0.33 GW1%Biomass2.64 GW9%Solar3.27 GW11%Gas9.38 GW31%Imports6.52 GW22%Nuclear3.00 GW10%28.0GW AVERAGE16%9%11%31%22%10%
Price
£86.61/MWh
Day average £86.61
Demand28.0GW
Generation 23.5Transfers 4.5
Fossil fuels31%
Renewables28%
Other41%
Carbon intensityModerate
155g/kWh
0Day average 155300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Key moments

On Monday 11 August 2025, gas supplied 31% of Great Britain’s electricity and wind 16%. Demand peaked at 34.2 GW at 11:10. Carbon intensity averaged 155 g/kWh and the price £86.61/MWh. Wind generation peaked at 8.2 GW at 03:10. Solar generation peaked at 10.9 GW at 12:30. Carbon intensity was lowest at 11:30 (116 g/kWh) and highest at 20:30 (217 g/kWh). The wholesale price ranged from £67.57/MWh at 10:30 to £154.67/MWh at 19:00. Gas made 40% of the electricity generated in Great Britain, compared with 32% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 3.2710.9%Wind 4.8916.3%Gas 9.3831.2%Hydro 0.331.1%Biomass 2.648.8%Nuclear 3.0010.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.0avgGeneration 23.5avgTransfers 4.5avg
The day in figurespeaks, averages, totals
Peak demand34.2GW · 11:10
Low 19.7 · 05:05Avg 28.00–40 GW
Made in Great Britain84%of demand
Generation 23.5Transfers 4.5 GW
Net imports107GWh
In
154 Out
47
Zero-carbon share49%of generation
Nuclear 13%Hydro 1%Wind 21%Solar 14%

Transfers · Mon 11 Aug

Interconnectors and storage

On Monday 11 August 2025, Great Britain imported 154 GWh and exported 47 GWh through its interconnectors. The most came from France (92 GWh), and the most exports went to Ireland (28 GWh).

All interconnectors

Mon 11 Aug
Imported
154GWh
Exported
47GWh
Net in
107GWh
Average net flow
4.46GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.66GWImporting

In 16.9 GWhOut 1.0 GWh

Denmark

Viking Link

Average0.05GWExporting

In 9.6 GWhOut 10.8 GWh

France

IFA · IFA2 · ElecLink

Average3.82GWImporting

In 91.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.15GWExporting

In 0.0 GWhOut 27.7 GWh

Netherlands

BritNed

Average0.10GWImporting

In 9.7 GWhOut 7.4 GWh

Norway

North Sea Link

Average1.09GWImporting

In 26.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.07GWGenerating

Generated 2.5 GWhPumped 0.9 GWh

All cards share one scale, so you can compare their heights. Each country can have more than one cable.

Download the 5-minute data for this day: CSV · JSON. See what the figures mean.