Electricity Live

Great Britain’s electricity on Wednesday 15 October 2025

On Wednesday 15 October, demand averaged 30.7 GW. Renewables supplied 13%.

30.7GW AVERAGEWind3.32 GW10%Hydro0.45 GW1%Biomass2.35 GW7%Solar0.64 GW2%Gas19.37 GW58%Imports3.81 GW11%Nuclear3.68 GW11%30.7GW AVERAGE10%58%11%11%
Price
£95.74/MWh
Day average £95.74
Demand30.7GW
Generation 29.8Transfers 0.9
Fossil fuels58%
Renewables13%
Other29%
Carbon intensityHigh
243g/kWh
0Day average 243300
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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 Wednesday 15 October 2025, gas supplied 58% of Great Britain’s electricity and nuclear 11%. Demand peaked at 37.0 GW at 13:05. Carbon intensity averaged 243 g/kWh and the price £95.74/MWh. Wind generation peaked at 3.8 GW at 07:10. Solar generation peaked at 2.6 GW at 13:00. Carbon intensity was lowest at 23:00 (209 g/kWh) and highest at 07:00 (265 g/kWh). The wholesale price ranged from £71.20/MWh at 04:30 to £140.84/MWh at 18:30. Gas made 65% 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 0.641.9%Wind 3.329.9%Gas 19.3757.6%Hydro 0.451.3%Biomass 2.357.0%Nuclear 3.6810.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.7avgGeneration 29.8avgTransfers 0.9avg
The day in figurespeaks, averages, totals
Peak demand37.0GW · 13:05
Low 22.3 · 05:05Avg 30.70–40 GW
Made in Great Britain97%of demand
Generation 29.8Transfers 0.9 GW
Net imports21GWh
In
87 Out
65
Zero-carbon share27%of generation
Nuclear 12%Hydro 2%Wind 11%Solar 2%

Transfers · Wed 15 Oct

Interconnectors and storage

On Wednesday 15 October 2025, Great Britain imported 87 GWh and exported 65 GWh through its interconnectors. The most came from Norway (34 GWh), and the most exports went to Ireland (35 GWh).

All interconnectors

Wed 15 Oct
Imported
87GWh
Exported
65GWh
Net in
21GWh
Average net flow
0.89GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.24GWImporting

In 12.7 GWhOut 7.1 GWh

Denmark

Viking Link

Average0.32GWExporting

In 4.3 GWhOut 11.9 GWh

France

IFA · IFA2 · ElecLink

Average1.39GWImporting

In 33.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.45GWExporting

In 0.0 GWhOut 34.8 GWh

Netherlands

BritNed

Average0.37GWExporting

In 2.8 GWhOut 11.7 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWGenerating

Generated 4.8 GWhPumped 4.3 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.