Electricity Live

Great Britain’s electricity on Saturday 13 December 2025

On Saturday 13 December, demand averaged 32.7 GW. Renewables supplied 47%.

32.7GW AVERAGEWind14.64 GW42%Hydro0.79 GW2%Biomass2.96 GW8%Solar1.07 GW3%Gas7.38 GW21%Imports4.58 GW13%Nuclear3.61 GW10%32.7GW AVERAGE42%8%21%13%10%
Price
£75.25/MWh
Day average £75.25
Demand32.7GW
Generation 30.4Transfers 2.3
Fossil fuels21%
Renewables47%
Other32%
Carbon intensityModerate
100g/kWh
0Day average 100300
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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 Saturday 13 December 2025, wind supplied 42% of Great Britain’s electricity and gas 21%. Demand peaked at 39.7 GW at 17:10. Carbon intensity averaged 100 g/kWh and the price £75.25/MWh. Wind generation peaked at 20.1 GW at 20:50. Solar generation peaked at 6.0 GW at 11:30. Carbon intensity was lowest at 22:00 (64 g/kWh) and highest at 08:00 (125 g/kWh). The wholesale price ranged from £20.29/MWh at 23:30 to £89.73/MWh at 09:00. Wind made 48% 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 1.073.0%Wind 14.6441.8%Gas 7.3821.1%Hydro 0.792.3%Biomass 2.968.4%Nuclear 3.6110.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.7avgGeneration 30.4avgTransfers 2.3avg
The day in figurespeaks, averages, totals
Peak demand39.7GW · 17:10
Low 25.1 · 05:35Avg 32.70–40 GW
Made in Great Britain93%of demand
Generation 30.4Transfers 2.3 GW
Net imports61GWh
In
109 Out
47
Zero-carbon share66%of generation
Nuclear 12%Hydro 3%Wind 48%Solar 4%

Transfers · Sat 13 Dec

Interconnectors and storage

On Saturday 13 December 2025, Great Britain imported 109 GWh and exported 47 GWh through its interconnectors. The most came from France (64 GWh), and the most exports went to Netherlands (17 GWh).

All interconnectors

Sat 13 Dec
Imported
109GWh
Exported
47GWh
Net in
61GWh
Average net flow
2.55GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.63GWExporting

In 0.2 GWhOut 15.4 GWh

Denmark

Viking Link

Average0.22GWExporting

In 5.4 GWhOut 10.7 GWh

France

IFA · IFA2 · ElecLink

Average2.60GWImporting

In 64.3 GWhOut 2.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.11GWImporting

In 5.0 GWhOut 2.5 GWh

Netherlands

BritNed

Average0.69GWExporting

In 0.1 GWhOut 16.7 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.29GWPumping

Generated 1.4 GWhPumped 8.4 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.