Electricity Live

Great Britain’s electricity on Wednesday 21 January 2026

On Wednesday 21 January, demand averaged 37.2 GW. Renewables supplied 52%.

37.2GW AVERAGEWind19.58 GW50%Hydro0.51 GW1%Biomass2.96 GW8%Solar0.18 GW0%Gas6.66 GW17%Imports5.50 GW14%Nuclear3.41 GW9%37.2GW AVERAGE50%8%17%14%9%
Price
£94.09/MWh
Day average £94.09
Demand37.2GW
Generation 33.3Transfers 3.9
Fossil fuels17%
Renewables52%
Other31%
Carbon intensityModerate
89g/kWh
0Day average 89300
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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 21 January 2026, wind supplied 50% of Great Britain’s electricity and gas 17%. Demand peaked at 44.3 GW at 17:25. Carbon intensity averaged 89 g/kWh and the price £94.09/MWh. Wind generation peaked at 21.8 GW at 15:35. Solar generation peaked at 1.0 GW at 12:00. Carbon intensity was lowest at 23:30 (51 g/kWh) and highest at 07:00 (121 g/kWh). The wholesale price ranged from £65.05/MWh at 23:30 to £118.36/MWh at 07:30. Wind made 59% of the electricity generated in Great Britain, compared with 36% across 2026 so far.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.180.5%Wind 19.5850.5%Gas 6.6617.2%Hydro 0.511.3%Biomass 2.967.6%Nuclear 3.418.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 37.2avgGeneration 33.3avgTransfers 3.9avg
The day in figurespeaks, averages, totals
Peak demand44.3GW · 17:25
Low 27.4 · 05:05Avg 37.20–60 GW
Made in Great Britain90%of demand
Generation 33.3Transfers 3.9 GW
Net imports91GWh
In
128 Out
37
Zero-carbon share71%of generation
Nuclear 10%Hydro 2%Wind 59%Solar 1%

Transfers · Wed 21 Jan

Interconnectors and storage

On Wednesday 21 January 2026, Great Britain imported 128 GWh and exported 37 GWh through its interconnectors. The most came from France (83 GWh), and the most exports went to Ireland (18 GWh).

All interconnectors

Wed 21 Jan
Imported
128GWh
Exported
37GWh
Net in
91GWh
Average net flow
3.78GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.17GWImporting

In 7.6 GWhOut 3.6 GWh

Denmark

Viking Link

Average0.64GWImporting

In 19.9 GWhOut 4.6 GWh

France

IFA · IFA2 · ElecLink

Average3.44GWImporting

In 82.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.75GWExporting

In 0.3 GWhOut 18.3 GWh

Netherlands

BritNed

Average0.16GWImporting

In 9.2 GWhOut 5.4 GWh

Norway

North Sea Link

Average0.13GWImporting

In 8.6 GWhOut 5.5 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWGenerating

Generated 3.9 GWhPumped 1.6 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.