Electricity Live

Great Britain’s electricity on Wednesday 29 October 2025

On Wednesday 29 October, demand averaged 32.3 GW. Renewables supplied 40%.

32.3GW AVERAGEWind12.43 GW37%Hydro0.56 GW2%Biomass2.70 GW8%Solar0.70 GW2%Gas9.05 GW27%Imports4.52 GW13%Nuclear3.97 GW12%32.3GW AVERAGE37%8%27%13%12%
Price
£69.72/MWh
Day average £69.72
Demand32.3GW
Generation 29.4Transfers 2.9
Fossil fuels27%
Renewables40%
Other33%
Carbon intensityModerate
121g/kWh
0Day average 121300
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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 29 October 2025, wind supplied 37% of Great Britain’s electricity and gas 27%. Demand peaked at 38.8 GW at 18:35. Carbon intensity averaged 121 g/kWh and the price £69.72/MWh. Wind generation peaked at 17.4 GW at 00:00. Solar generation peaked at 3.1 GW at 11:30. Carbon intensity was lowest at 00:30 (50 g/kWh) and highest at 17:00 (199 g/kWh). The wholesale price ranged from £20.57/MWh at 02:30 to £109.30/MWh at 17:00. Wind made 42% 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 0.702.1%Wind 12.4336.6%Gas 9.0526.7%Hydro 0.561.6%Biomass 2.707.9%Nuclear 3.9711.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.3avgGeneration 29.4avgTransfers 2.9avg
The day in figurespeaks, averages, totals
Peak demand38.8GW · 18:35
Low 23.0 · 05:00Avg 32.30–40 GW
Made in Great Britain91%of demand
Generation 29.4Transfers 2.9 GW
Net imports68GWh
In
101 Out
34
Zero-carbon share60%of generation
Nuclear 14%Hydro 2%Wind 42%Solar 2%

Transfers · Wed 29 Oct

Interconnectors and storage

On Wednesday 29 October 2025, Great Britain imported 101 GWh and exported 34 GWh through its interconnectors. The most came from France (44 GWh), and the most exports went to Ireland (18 GWh).

All interconnectors

Wed 29 Oct
Imported
101GWh
Exported
34GWh
Net in
68GWh
Average net flow
2.82GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.30GWImporting

In 9.3 GWhOut 2.0 GWh

Denmark

Viking Link

Average0.39GWImporting

In 14.3 GWhOut 4.9 GWh

France

IFA · IFA2 · ElecLink

Average1.82GWImporting

In 43.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.75GWExporting

In 0.0 GWhOut 17.9 GWh

Netherlands

BritNed

Average0.13GWExporting

In 5.8 GWhOut 8.8 GWh

Norway

North Sea Link

Average1.17GWImporting

In 28.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.07GWGenerating

Generated 7.2 GWhPumped 5.7 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.