Electricity Live

Great Britain’s electricity on Monday 1 December 2025

On Monday 1 December, demand averaged 36.2 GW. Renewables supplied 45%.

36.2GW AVERAGEWind16.56 GW43%Hydro0.81 GW2%Biomass2.91 GW8%Solar0.09 GW0%Gas8.61 GW22%Imports5.61 GW14%Nuclear4.16 GW11%36.2GW AVERAGE43%8%22%14%11%
Price
£73.47/MWh
Day average £73.47
Demand36.2GW
Generation 33.2Transfers 3.0
Fossil fuels22%
Renewables45%
Other33%
Carbon intensityModerate
108g/kWh
0Day average 108300
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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 1 December 2025, wind supplied 43% of Great Britain’s electricity and gas 22%. Demand peaked at 42.7 GW at 11:15. Carbon intensity averaged 108 g/kWh and the price £73.47/MWh. Wind generation peaked at 21.7 GW at 03:00. Solar generation peaked at 0.6 GW at 11:00. Carbon intensity was lowest at 23:30 (52 g/kWh) and highest at 11:30 (147 g/kWh). The wholesale price ranged from £41.55/MWh at 00:00 to £88.55/MWh at 17:00. Wind made 50% 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 0.090.2%Wind 16.5642.7%Gas 8.6122.2%Hydro 0.812.1%Biomass 2.917.5%Nuclear 4.1610.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 36.2avgGeneration 33.2avgTransfers 3.0avg
The day in figurespeaks, averages, totals
Peak demand42.7GW · 11:15
Low 26.7 · 04:25Avg 36.20–60 GW
Made in Great Britain92%of demand
Generation 33.2Transfers 3.0 GW
Net imports72GWh
In
126 Out
54
Zero-carbon share65%of generation
Nuclear 13%Hydro 2%Wind 50%Solar 0%

Transfers · Mon 1 Dec

Interconnectors and storage

On Monday 1 December 2025, Great Britain imported 126 GWh and exported 54 GWh through its interconnectors. The most came from France (51 GWh), and the most exports went to Ireland (33 GWh).

All interconnectors

Mon 1 Dec
Imported
126GWh
Exported
54GWh
Net in
72GWh
Average net flow
2.99GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.10GWImporting

In 10.1 GWhOut 7.7 GWh

Denmark

Viking Link

Average1.23GWImporting

In 29.5 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.96GWImporting

In 50.7 GWhOut 3.7 GWh

Ireland

Moyle · East–West · Greenlink

Average1.36GWExporting

In 0.0 GWhOut 32.7 GWh

Netherlands

BritNed

Average0.12GWImporting

In 11.1 GWhOut 8.2 GWh

Norway

North Sea Link

Average0.95GWImporting

In 24.2 GWhOut 1.4 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWGenerating

Generated 9.2 GWhPumped 9.0 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.