Electricity Live

Great Britain’s electricity on Sunday 12 January 2025

On Sunday 12 January, demand averaged 36.0 GW. Renewables supplied 22%.

36.0GW AVERAGEWind6.89 GW19%Hydro0.47 GW1%Biomass2.35 GW6%Solar0.53 GW1%Gas16.68 GW45%Imports5.06 GW14%Nuclear4.71 GW13%36.0GW AVERAGE19%45%14%13%
Price
£107.50/MWh
Day average £107.50
Demand36.0GW
Generation 31.6Transfers 4.3
Fossil fuels45%
Renewables22%
Other33%
Carbon intensityHigh
196g/kWh
0Day average 196300
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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 Sunday 12 January 2025, gas supplied 45% of Great Britain’s electricity and wind 19%. Demand peaked at 45.2 GW at 17:35. Carbon intensity averaged 196 g/kWh and the price £107.50/MWh. Wind generation peaked at 13.5 GW at 23:10. Solar generation peaked at 2.8 GW at 12:30. Carbon intensity was lowest at 23:00 (126 g/kWh) and highest at 06:30 (218 g/kWh). The wholesale price ranged from £75.66/MWh at 23:00 to £127.24/MWh at 18:00. Gas made 53% of the electricity generated in Great Britain, compared with 32% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.531.5%Wind 6.8918.8%Gas 16.6845.5%Hydro 0.471.3%Biomass 2.356.4%Nuclear 4.7112.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 36.0avgGeneration 31.6avgTransfers 4.3avg
The day in figurespeaks, averages, totals
Peak demand45.2GW · 17:35
Low 27.9 · 05:40Avg 36.00–60 GW
Made in Great Britain88%of demand
Generation 31.6Transfers 4.3 GW
Net imports108GWh
In
120 Out
12
Zero-carbon share40%of generation
Nuclear 15%Hydro 1%Wind 22%Solar 2%

Transfers · Sun 12 Jan

Interconnectors and storage

On Sunday 12 January 2025, Great Britain imported 120 GWh and exported 12 GWh through its interconnectors. The most came from France (56 GWh), and the most exports went to Ireland (6 GWh).

All interconnectors

Sun 12 Jan
Imported
120GWh
Exported
12GWh
Net in
108GWh
Average net flow
4.50GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.63GWImporting

In 17.3 GWhOut 2.1 GWh

Denmark

Viking Link

Average0.42GWImporting

In 12.3 GWhOut 2.2 GWh

France

IFA · IFA2 · ElecLink

Average2.24GWImporting

In 55.9 GWhOut 2.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.19GWExporting

In 1.2 GWhOut 5.9 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWPumping

Generated 1.1 GWhPumped 4.9 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.