Electricity Live

Great Britain’s electricity on Monday 25 August 2025

On Monday 25 August, demand averaged 25.2 GW. Renewables supplied 46%.

25.2GW AVERAGEWind8.00 GW30%Hydro0.20 GW1%Biomass1.72 GW6%Solar4.18 GW16%Gas5.49 GW21%Imports4.39 GW16%Nuclear2.72 GW10%25.2GW AVERAGE30%16%21%16%10%
Price
£77.87/MWh
Day average £77.87
Demand25.2GW
Generation 22.3Transfers 2.9
Fossil fuels21%
Renewables46%
Other33%
Carbon intensityModerate
113g/kWh
0Day average 113300
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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 25 August 2025, wind supplied 30% of Great Britain’s electricity and gas 21%. Demand peaked at 31.8 GW at 13:05. Carbon intensity averaged 113 g/kWh and the price £77.87/MWh. Wind generation peaked at 13.7 GW at 23:55. Solar generation peaked at 13.3 GW at 13:00. Carbon intensity was lowest at 14:00 (38 g/kWh) and highest at 05:30 (168 g/kWh). The wholesale price ranged from £7.09/MWh at 13:30 to £114.93/MWh at 06:30. Wind made 36% of the electricity generated in Great Britain, compared with 35% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 4.1815.7%Wind 8.0030.0%Gas 5.4920.5%Hydro 0.200.8%Biomass 1.726.5%Nuclear 2.7210.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.2avgGeneration 22.3avgTransfers 2.9avg
The day in figurespeaks, averages, totals
Peak demand31.8GW · 13:05
Low 17.8 · 05:55Avg 25.20–40 GW
Made in Great Britain88%of demand
Generation 22.3Transfers 2.9 GW
Net imports73GWh
In
104 Out
31
Zero-carbon share68%of generation
Nuclear 12%Hydro 1%Wind 36%Solar 19%

Transfers · Mon 25 Aug

Interconnectors and storage

On Monday 25 August 2025, Great Britain imported 104 GWh and exported 31 GWh through its interconnectors. The most came from France (72 GWh), and the most exports went to Denmark (10 GWh).

All interconnectors

Mon 25 Aug
Imported
104GWh
Exported
31GWh
Net in
73GWh
Average net flow
3.03GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.25GWImporting

In 10.4 GWhOut 4.5 GWh

Denmark

Viking Link

Average0.07GWExporting

In 8.6 GWhOut 10.4 GWh

France

IFA · IFA2 · ElecLink

Average3.00GWImporting

In 72.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.30GWExporting

In 1.9 GWhOut 9.1 GWh

Netherlands

BritNed

Average0.02GWImporting

In 7.7 GWhOut 7.3 GWh

Norway

North Sea Link

Average0.14GWImporting

In 3.4 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWPumping

Generated 1.3 GWhPumped 3.8 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.