Electricity Live

Great Britain’s electricity on Monday 22 December 2025

On Monday 22 December, demand averaged 33.4 GW. Renewables supplied 37%.

33.4GW AVERAGEWind11.92 GW34%Hydro0.76 GW2%Biomass2.05 GW6%Solar0.46 GW1%Gas9.75 GW28%Imports6.89 GW20%Nuclear3.47 GW10%33.4GW AVERAGE34%28%20%10%
Price
£73.00/MWh
Day average £73.00
Demand33.4GW
Generation 28.4Transfers 5.0
Fossil fuels28%
Renewables37%
Other35%
Carbon intensityModerate
130g/kWh
0Day average 130300
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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 22 December 2025, wind supplied 34% of Great Britain’s electricity and gas 28%. Demand peaked at 39.5 GW at 18:55. Carbon intensity averaged 130 g/kWh and the price £73.00/MWh. Wind generation peaked at 15.9 GW at 03:30. Solar generation peaked at 3.0 GW at 11:30. Carbon intensity was lowest at 04:30 (52 g/kWh) and highest at 16:30 (188 g/kWh). The wholesale price ranged from £31.37/MWh at 04:30 to £95.33/MWh at 16:30. Wind made 42% 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 0.461.3%Wind 11.9233.8%Gas 9.7527.6%Hydro 0.762.2%Biomass 2.055.8%Nuclear 3.479.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.4avgGeneration 28.4avgTransfers 5.0avg
The day in figurespeaks, averages, totals
Peak demand39.5GW · 18:55
Low 24.1 · 05:25Avg 33.40–40 GW
Made in Great Britain85%of demand
Generation 28.4Transfers 5.0 GW
Net imports122GWh
In
161 Out
39
Zero-carbon share58%of generation
Nuclear 12%Hydro 3%Wind 42%Solar 2%

Transfers · Mon 22 Dec

Interconnectors and storage

On Monday 22 December 2025, Great Britain imported 161 GWh and exported 39 GWh through its interconnectors. The most came from France (83 GWh), and the most exports went to Ireland (35 GWh).

All interconnectors

Mon 22 Dec
Imported
161GWh
Exported
39GWh
Net in
122GWh
Average net flow
5.10GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.61GWImporting

In 15.3 GWhOut 0.5 GWh

Denmark

Viking Link

Average0.82GWImporting

In 20.2 GWhOut 0.7 GWh

France

IFA · IFA2 · ElecLink

Average3.45GWImporting

In 82.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.46GWExporting

In 0.0 GWhOut 35.0 GWh

Netherlands

BritNed

Average0.35GWImporting

In 10.7 GWhOut 2.4 GWh

Norway

North Sea Link

Average1.33GWImporting

In 31.9 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.11GWPumping

Generated 4.5 GWhPumped 7.0 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.