Electricity Live

Great Britain’s electricity on Wednesday 29 January 2025

On Wednesday 29 January, demand averaged 36.6 GW. Renewables supplied 39%.

36.6GW AVERAGEWind13.25 GW35%Hydro0.48 GW1%Biomass2.49 GW7%Solar0.92 GW2%Gas9.67 GW26%Coal0.00 GW0%Imports6.32 GW17%Nuclear4.59 GW12%36.6GW AVERAGE35%26%17%12%
Price
£100.28/MWh
Day average £100.28
Demand36.6GW
Generation 31.4Transfers 5.2
Fossil fuels26%
Renewables39%
Other36%
Carbon intensityModerate
124g/kWh
0Day average 124300
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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 Wednesday 29 January 2025, wind supplied 35% of Great Britain’s electricity and gas 26%. Demand peaked at 43.8 GW at 18:15. Carbon intensity averaged 124 g/kWh and the price £100.28/MWh. Wind generation peaked at 16.0 GW at 03:45. Solar generation peaked at 4.7 GW at 11:30. Carbon intensity was lowest at 03:30 (53 g/kWh) and highest at 16:30 (177 g/kWh). The wholesale price ranged from £47.82/MWh at 01:30 to £139.75/MWh at 17:30. 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 0.922.4%Wind 13.2535.1%Gas 9.6725.6%Hydro 0.481.3%Biomass 2.496.6%Nuclear 4.5912.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 36.6avgGeneration 31.4avgTransfers 5.2avg
The day in figurespeaks, averages, totals
Peak demand43.8GW · 18:15
Low 26.2 · 04:40Avg 36.60–60 GW
Made in Great Britain86%of demand
Generation 31.4Transfers 5.2 GW
Net imports125GWh
In
145 Out
21
Zero-carbon share61%of generation
Nuclear 15%Hydro 2%Wind 42%Solar 3%

Transfers · Wed 29 Jan

Interconnectors and storage

On Wednesday 29 January 2025, Great Britain imported 145 GWh and exported 21 GWh through its interconnectors. The most came from France (58 GWh), and the most exports went to Ireland (19 GWh).

All interconnectors

Wed 29 Jan
Imported
145GWh
Exported
21GWh
Net in
125GWh
Average net flow
5.20GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.67GWImporting

In 16.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.78GWImporting

In 20.2 GWhOut 1.4 GWh

France

IFA · IFA2 · ElecLink

Average2.41GWImporting

In 57.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.78GWExporting

In 0.0 GWhOut 18.8 GWh

Netherlands

BritNed

Average0.73GWImporting

In 17.9 GWhOut 0.4 GWh

Norway

North Sea Link

Average1.39GWImporting

In 33.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWGenerating

Generated 6.3 GWhPumped 6.2 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.