Electricity Live

Great Britain’s electricity on Thursday 11 December 2025

On Thursday 11 December, demand averaged 36.0 GW. Renewables supplied 50%.

36.0GW AVERAGEWind18.07 GW46%Hydro0.91 GW2%Biomass2.61 GW7%Solar0.70 GW2%Gas8.88 GW23%Imports4.46 GW11%Nuclear3.49 GW9%36.0GW AVERAGE46%23%11%9%
Price
£66.51/MWh
Day average £66.51
Demand36.0GW
Generation 34.7Transfers 1.3
Fossil fuels23%
Renewables50%
Other27%
Carbon intensityModerate
105g/kWh
0Day average 105300
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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 Thursday 11 December 2025, wind supplied 46% of Great Britain’s electricity and gas 23%. Demand peaked at 42.5 GW at 17:40. Carbon intensity averaged 105 g/kWh and the price £66.51/MWh. Wind generation peaked at 20.2 GW at 11:55. Solar generation peaked at 3.6 GW at 10:30. Carbon intensity was lowest at 04:00 (63 g/kWh) and highest at 16:30 (147 g/kWh). The wholesale price ranged from £41.03/MWh at 03:30 to £86.35/MWh at 17:30. Wind made 52% 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 0.701.8%Wind 18.0746.2%Gas 8.8822.7%Hydro 0.912.3%Biomass 2.616.7%Nuclear 3.498.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 36.0avgGeneration 34.7avgTransfers 1.3avg
The day in figurespeaks, averages, totals
Peak demand42.5GW · 17:40
Low 26.4 · 05:10Avg 36.00–60 GW
Made in Great Britain96%of demand
Generation 34.7Transfers 1.3 GW
Net imports31GWh
In
102 Out
71
Zero-carbon share67%of generation
Nuclear 10%Hydro 3%Wind 52%Solar 2%

Transfers · Thu 11 Dec

Interconnectors and storage

On Thursday 11 December 2025, Great Britain imported 102 GWh and exported 71 GWh through its interconnectors. The most came from France (37 GWh), and the most exports went to Netherlands (22 GWh).

All interconnectors

Thu 11 Dec
Imported
102GWh
Exported
71GWh
Net in
31GWh
Average net flow
1.30GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.88GWExporting

In 0.0 GWhOut 21.0 GWh

Denmark

Viking Link

Average1.12GWImporting

In 27.7 GWhOut 0.8 GWh

France

IFA · IFA2 · ElecLink

Average1.26GWImporting

In 36.9 GWhOut 6.6 GWh

Ireland

Moyle · East–West · Greenlink

Average0.65GWExporting

In 4.9 GWhOut 20.4 GWh

Netherlands

BritNed

Average0.90GWExporting

In 0.0 GWhOut 21.7 GWh

Norway

North Sea Link

Average1.34GWImporting

In 32.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWPumping

Generated 5.4 GWhPumped 5.6 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.