Electricity Live

Great Britain’s electricity on Monday 20 October 2025

On Monday 20 October, demand averaged 30.8 GW. Renewables supplied 30%.

30.8GW AVERAGEWind8.54 GW26%Hydro0.32 GW1%Biomass2.22 GW7%Solar0.83 GW3%Gas9.49 GW29%Imports7.08 GW22%Nuclear4.02 GW12%30.8GW AVERAGE26%29%22%12%
Price
£78.11/MWh
Day average £78.11
Demand30.8GW
Generation 25.4Transfers 5.4
Fossil fuels29%
Renewables30%
Other41%
Carbon intensityModerate
143g/kWh
0Day average 143300
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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 20 October 2025, gas supplied 29% of Great Britain’s electricity and wind 26%. Demand peaked at 37.5 GW at 12:30. Carbon intensity averaged 143 g/kWh and the price £78.11/MWh. Wind generation peaked at 13.2 GW at 00:00. Solar generation peaked at 4.1 GW at 12:30. Carbon intensity was lowest at 03:30 (70 g/kWh) and highest at 18:30 (196 g/kWh). The wholesale price ranged from £46.74/MWh at 01:00 to £102.16/MWh at 19:00. Gas made 37% 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 0.832.6%Wind 8.5426.3%Gas 9.4929.2%Hydro 0.321.0%Biomass 2.226.8%Nuclear 4.0212.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.8avgGeneration 25.4avgTransfers 5.4avg
The day in figurespeaks, averages, totals
Peak demand37.5GW · 12:30
Low 22.6 · 05:05Avg 30.80–40 GW
Made in Great Britain82%of demand
Generation 25.4Transfers 5.4 GW
Net imports130GWh
In
165 Out
36
Zero-carbon share54%of generation
Nuclear 16%Hydro 1%Wind 34%Solar 3%

Transfers · Mon 20 Oct

Interconnectors and storage

On Monday 20 October 2025, Great Britain imported 165 GWh and exported 36 GWh through its interconnectors. The most came from France (72 GWh), and the most exports went to Ireland (33 GWh).

All interconnectors

Mon 20 Oct
Imported
165GWh
Exported
36GWh
Net in
130GWh
Average net flow
5.41GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.89GWImporting

In 21.3 GWhOut 0.0 GWh

Denmark

Viking Link

Average1.11GWImporting

In 26.7 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.98GWImporting

In 71.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.39GWExporting

In 0.0 GWhOut 33.4 GWh

Netherlands

BritNed

Average0.48GWImporting

In 13.6 GWhOut 2.1 GWh

Norway

North Sea Link

Average1.34GWImporting

In 32.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWGenerating

Generated 4.7 GWhPumped 4.1 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.