Electricity Live

Great Britain’s electricity on Sunday 4 January 2026

On Sunday 4 January, demand averaged 36.6 GW. Renewables supplied 44%.

36.6GW AVERAGEWind15.27 GW40%Hydro0.39 GW1%Biomass2.96 GW8%Solar1.28 GW3%Gas11.01 GW29%Imports3.29 GW9%Nuclear4.25 GW11%36.6GW AVERAGE40%8%29%9%11%
Price
£89.29/MWh
Day average £89.29
Demand36.6GW
Generation 35.2Transfers 1.4
Fossil fuels29%
Renewables44%
Other27%
Carbon intensityHigh
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 Sunday 4 January 2026, wind supplied 40% of Great Britain’s electricity and gas 29%. Demand peaked at 44.4 GW at 17:55. Carbon intensity averaged 130 g/kWh and the price £89.29/MWh. Wind generation peaked at 17.7 GW at 00:35. Solar generation peaked at 6.9 GW at 12:00. Carbon intensity was lowest at 04:30 (56 g/kWh) and highest at 16:30 (201 g/kWh). The wholesale price ranged from £73.46/MWh at 23:30 to £114.18/MWh at 18:00. Wind made 43% 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 1.283.3%Wind 15.2739.7%Gas 11.0128.6%Hydro 0.391.0%Biomass 2.967.7%Nuclear 4.2511.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 36.6avgGeneration 35.2avgTransfers 1.4avg
The day in figurespeaks, averages, totals
Peak demand44.4GW · 17:55
Low 28.0 · 05:40Avg 36.60–60 GW
Made in Great Britain96%of demand
Generation 35.2Transfers 1.4 GW
Net imports37GWh
In
76 Out
39
Zero-carbon share60%of generation
Nuclear 12%Hydro 1%Wind 43%Solar 4%

Transfers · Sun 4 Jan

Interconnectors and storage

On Sunday 4 January 2026, Great Britain imported 76 GWh and exported 39 GWh through its interconnectors. The most came from France (35 GWh), and the most exports went to Ireland (33 GWh).

All interconnectors

Sun 4 Jan
Imported
76GWh
Exported
39GWh
Net in
37GWh
Average net flow
1.55GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.29GWImporting

In 8.1 GWhOut 1.1 GWh

Denmark

Viking Link

Average0.33GWImporting

In 8.8 GWhOut 1.0 GWh

France

IFA · IFA2 · ElecLink

Average1.35GWImporting

In 35.5 GWhOut 3.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.38GWExporting

In 0.0 GWhOut 33.2 GWh

Netherlands

BritNed

Average0.42GWImporting

In 10.8 GWhOut 0.8 GWh

Norway

North Sea Link

Average0.54GWImporting

In 13.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWPumping

Generated 2.8 GWhPumped 5.3 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.