Electricity Live

Great Britain’s electricity on Friday 19 December 2025

On Friday 19 December, demand averaged 35.3 GW. Renewables supplied 51%.

35.3GW AVERAGEWind17.31 GW47%Hydro0.64 GW2%Biomass2.32 GW6%Solar1.08 GW3%Gas7.95 GW21%Imports4.16 GW11%Nuclear3.60 GW10%35.3GW AVERAGE47%21%11%10%
Price
£60.36/MWh
Day average £60.36
Demand35.3GW
Generation 32.9Transfers 2.4
Fossil fuels21%
Renewables51%
Other27%
Carbon intensityModerate
103g/kWh
0Day average 103300
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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 Friday 19 December 2025, wind supplied 47% of Great Britain’s electricity and gas 21%. Demand peaked at 42.2 GW at 10:30. Carbon intensity averaged 103 g/kWh and the price £60.36/MWh. Wind generation peaked at 19.5 GW at 10:10. Solar generation peaked at 6.2 GW at 11:30. Carbon intensity was lowest at 03:30 (77 g/kWh) and highest at 16:30 (138 g/kWh). The wholesale price ranged from £1.63/MWh at 00:00 to £92.40/MWh at 17:30. Wind made 53% 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 1.082.9%Wind 17.3146.7%Gas 7.9521.4%Hydro 0.641.7%Biomass 2.326.3%Nuclear 3.609.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.3avgGeneration 32.9avgTransfers 2.4avg
The day in figurespeaks, averages, totals
Peak demand42.2GW · 10:30
Low 26.1 · 05:25Avg 35.30–60 GW
Made in Great Britain93%of demand
Generation 32.9Transfers 2.4 GW
Net imports61GWh
In
96 Out
35
Zero-carbon share69%of generation
Nuclear 11%Hydro 2%Wind 53%Solar 3%

Transfers · Fri 19 Dec

Interconnectors and storage

On Friday 19 December 2025, Great Britain imported 96 GWh and exported 35 GWh through its interconnectors. The most came from France (30 GWh), and the most exports went to Ireland (17 GWh).

All interconnectors

Fri 19 Dec
Imported
96GWh
Exported
35GWh
Net in
61GWh
Average net flow
2.55GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.18GWExporting

In 3.5 GWhOut 7.9 GWh

Denmark

Viking Link

Average1.06GWImporting

In 25.5 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.18GWImporting

In 30.4 GWhOut 2.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.69GWExporting

In 0.5 GWhOut 17.1 GWh

Netherlands

BritNed

Average0.04GWExporting

In 7.1 GWhOut 8.0 GWh

Norway

North Sea Link

Average1.21GWImporting

In 29.1 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.14GWPumping

Generated 3.8 GWhPumped 7.2 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.