Electricity Live

Great Britain’s electricity on Wednesday 10 December 2025

On Wednesday 10 December, demand averaged 35.9 GW. Renewables supplied 60%.

35.9GW AVERAGEWind21.21 GW55%Hydro0.77 GW2%Biomass2.31 GW6%Solar0.93 GW2%Gas5.48 GW14%Imports4.11 GW11%Nuclear3.57 GW9%35.9GW AVERAGE55%14%11%9%
Price
£56.51/MWh
Day average £56.51
Demand35.9GW
Generation 34.3Transfers 1.7
Fossil fuels14%
Renewables60%
Other26%
Carbon intensityLow
73g/kWh
0Day average 73300
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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

On the record lists

All records

Key moments

On Wednesday 10 December 2025, wind supplied 55% of Great Britain’s electricity and gas 14%. Demand peaked at 42.5 GW at 18:50. Carbon intensity averaged 73 g/kWh and the price £56.51/MWh. Wind generation peaked at 22.5 GW at 12:45. Solar generation peaked at 5.1 GW at 11:30. Carbon intensity was lowest at 02:00 (42 g/kWh) and highest at 16:30 (106 g/kWh). The wholesale price ranged from £8.32/MWh at 03:30 to £89.55/MWh at 17:30. Wind made 62% 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 0.932.4%Wind 21.2155.3%Gas 5.4814.3%Hydro 0.772.0%Biomass 2.316.0%Nuclear 3.579.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.9avgGeneration 34.3avgTransfers 1.7avg
The day in figurespeaks, averages, totals
Peak demand42.5GW · 18:50
Low 26.4 · 04:05Avg 35.90–60 GW
Made in Great Britain95%of demand
Generation 34.3Transfers 1.7 GW
Net imports46GWh
In
93 Out
48
Zero-carbon share77%of generation
Nuclear 10%Hydro 2%Wind 62%Solar 3%

Transfers · Wed 10 Dec

Interconnectors and storage

On Wednesday 10 December 2025, Great Britain imported 93 GWh and exported 48 GWh through its interconnectors. The most came from France (41 GWh), and the most exports went to Netherlands (16 GWh).

All interconnectors

Wed 10 Dec
Imported
93GWh
Exported
48GWh
Net in
46GWh
Average net flow
1.91GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.64GWExporting

In 0.4 GWhOut 15.8 GWh

Denmark

Viking Link

Average1.03GWImporting

In 25.2 GWhOut 0.5 GWh

France

IFA · IFA2 · ElecLink

Average1.64GWImporting

In 40.5 GWhOut 1.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.21GWExporting

In 3.2 GWhOut 8.3 GWh

Netherlands

BritNed

Average0.62GWExporting

In 1.4 GWhOut 16.2 GWh

Norway

North Sea Link

Average0.70GWImporting

In 22.6 GWhOut 5.7 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.24GWPumping

Generated 5.2 GWhPumped 11.0 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.