Electricity Live

Great Britain’s electricity on Sunday 14 December 2025

On Sunday 14 December, demand averaged 32.6 GW. Renewables supplied 62%.

32.6GW AVERAGEWind20.27 GW58%Hydro0.77 GW2%Biomass1.04 GW3%Solar0.64 GW2%Gas4.51 GW13%Imports4.41 GW13%Nuclear3.61 GW10%32.6GW AVERAGE58%13%13%10%
Price
£49.81/MWh
Day average £49.81
Demand32.6GW
Generation 30.8Transfers 1.8
Fossil fuels13%
Renewables62%
Other26%
Carbon intensityLow
63g/kWh
0Day average 63300
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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 Sunday 14 December 2025, wind supplied 58% of Great Britain’s electricity and gas 13%. Demand peaked at 40.5 GW at 17:25. Carbon intensity averaged 63 g/kWh and the price £49.81/MWh. Wind generation peaked at 22.3 GW at 18:30. Solar generation peaked at 3.6 GW at 12:00. Carbon intensity was lowest at 23:00 (38 g/kWh) and highest at 08:00 (78 g/kWh). The wholesale price ranged from £10.87/MWh at 03:30 to £81.51/MWh at 18:00. Wind made 66% 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 0.641.8%Wind 20.2757.5%Gas 4.5112.8%Hydro 0.772.2%Biomass 1.042.9%Nuclear 3.6110.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.6avgGeneration 30.8avgTransfers 1.8avg
The day in figurespeaks, averages, totals
Peak demand40.5GW · 17:25
Low 24.6 · 04:10Avg 32.60–60 GW
Made in Great Britain95%of demand
Generation 30.8Transfers 1.8 GW
Net imports47GWh
In
101 Out
53
Zero-carbon share82%of generation
Nuclear 12%Hydro 2%Wind 66%Solar 2%

Transfers · Sun 14 Dec

Interconnectors and storage

On Sunday 14 December 2025, Great Britain imported 101 GWh and exported 53 GWh through its interconnectors. The most came from France (33 GWh), and the most exports went to Belgium (18 GWh).

All interconnectors

Sun 14 Dec
Imported
101GWh
Exported
53GWh
Net in
47GWh
Average net flow
1.97GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.72GWExporting

In 0.1 GWhOut 17.5 GWh

Denmark

Viking Link

Average1.35GWImporting

In 32.4 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.89GWImporting

In 33.4 GWhOut 12.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.05GWExporting

In 5.7 GWhOut 6.8 GWh

Netherlands

BritNed

Average0.69GWExporting

In 0.4 GWhOut 17.0 GWh

Norway

North Sea Link

Average1.19GWImporting

In 28.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.22GWPumping

Generated 5.1 GWhPumped 10.4 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.