Electricity Live

Great Britain’s electricity on Monday 8 December 2025

On Monday 8 December, demand averaged 35.0 GW. Renewables supplied 51%.

35.0GW AVERAGEWind17.28 GW48%Hydro0.73 GW2%Biomass2.28 GW6%Solar0.38 GW1%Gas4.78 GW13%Imports7.15 GW20%Nuclear3.57 GW10%35.0GW AVERAGE48%13%20%10%
Price
£66.47/MWh
Day average £66.47
Demand35.0GW
Generation 29.0Transfers 6.0
Fossil fuels13%
Renewables51%
Other36%
Carbon intensityLow
78g/kWh
0Day average 78300
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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 8 December 2025, wind supplied 48% of Great Britain’s electricity and gas 13%. Demand peaked at 42.5 GW at 17:00. Carbon intensity averaged 78 g/kWh and the price £66.47/MWh. Wind generation peaked at 20.2 GW at 11:55. Solar generation peaked at 2.4 GW at 11:30. Carbon intensity was lowest at 05:00 (43 g/kWh) and highest at 18:30 (126 g/kWh). The wholesale price ranged from £17.21/MWh at 00:00 to £90.73/MWh at 17:00. Wind made 60% 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 0.381.0%Wind 17.2847.8%Gas 4.7813.2%Hydro 0.732.0%Biomass 2.286.3%Nuclear 3.579.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.0avgGeneration 29.0avgTransfers 6.0avg
The day in figurespeaks, averages, totals
Peak demand42.5GW · 17:00
Low 25.8 · 05:20Avg 35.00–60 GW
Made in Great Britain83%of demand
Generation 29.0Transfers 6.0 GW
Net imports147GWh
In
165 Out
18
Zero-carbon share76%of generation
Nuclear 12%Hydro 3%Wind 60%Solar 1%

Transfers · Mon 8 Dec

Interconnectors and storage

On Monday 8 December 2025, Great Britain imported 165 GWh and exported 18 GWh through its interconnectors. The most came from France (79 GWh), and the most exports went to Ireland (12 GWh).

All interconnectors

Mon 8 Dec
Imported
165GWh
Exported
18GWh
Net in
147GWh
Average net flow
6.11GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.66GWImporting

In 16.2 GWhOut 0.2 GWh

Denmark

Viking Link

Average1.26GWImporting

In 30.3 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.27GWImporting

In 78.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.38GWExporting

In 2.5 GWhOut 11.5 GWh

Netherlands

BritNed

Average0.46GWImporting

In 13.6 GWhOut 2.6 GWh

Norway

North Sea Link

Average0.83GWImporting

In 23.8 GWhOut 3.9 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWPumping

Generated 6.7 GWhPumped 9.1 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.