Electricity Live

Great Britain’s electricity on Monday 4 January 2021

On Monday 4 January, demand averaged 37.7 GW. Renewables supplied 29%.

37.7GW AVERAGEWind10.58 GW28%Hydro0.38 GW1%Biomass2.74 GW7%Solar0.20 GW1%Gas15.17 GW40%Coal0.97 GW3%Imports2.34 GW6%Nuclear5.90 GW15%37.7GW AVERAGE28%7%40%15%
Price
£62.17/MWh
Day average £62.17
Demand37.7GW
Generation 35.9Transfers 1.8
Fossil fuels40%
Renewables29%
Other29%
Carbon intensityHigh
195g/kWh
0Day average 195300
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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 Monday 4 January 2021, gas supplied 40% of Great Britain’s electricity and wind 28%. Demand peaked at 47.5 GW at 17:20. Carbon intensity averaged 195 g/kWh and the price £62.17/MWh. Wind generation peaked at 11.5 GW at 15:50. Solar generation peaked at 1.2 GW at 11:30. Carbon intensity was lowest at 03:00 (115 g/kWh) and highest at 14:30 (249 g/kWh). The wholesale price ranged from £43.30/MWh at 08:00 to £81.40/MWh at 17:00. Gas made 42% of the electricity generated in Great Britain, compared with 42% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.200.5%Wind 10.5827.6%Gas 15.1739.6%Hydro 0.381.0%Biomass 2.747.2%Nuclear 5.9015.4%Coal 0.972.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 37.7avgGeneration 35.9avgTransfers 1.8avg
The day in figurespeaks, averages, totals
Peak demand47.5GW · 17:20
Low 25.9 · 04:20Avg 37.70–60 GW
Made in Great Britain95%of demand
Generation 35.9Transfers 1.8 GW
Net imports47GWh
In
53 Out
6
Zero-carbon share47%of generation
Nuclear 16%Hydro 1%Wind 29%Solar 1%

Transfers · Mon 4 Jan

Interconnectors and storage

On Monday 4 January 2021, Great Britain imported 53 GWh and exported 6 GWh through its interconnectors. The most came from France (31 GWh), and the most exports went to Ireland (6 GWh).

All interconnectors

Mon 4 Jan
Imported
53GWh
Exported
6GWh
Net in
47GWh
Average net flow
1.95GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.89GWImporting

In 21.4 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.30GWImporting

In 31.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.24GWExporting

In 0.7 GWhOut 6.4 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.19GWPumping

Generated 3.0 GWhPumped 7.6 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.