Electricity Live

Great Britain’s electricity on Thursday 23 December 2021

On Thursday 23 December, demand averaged 35.2 GW. Renewables supplied 22%.

35.2GW AVERAGEWind7.68 GW21%Hydro0.33 GW1%Biomass3.02 GW8%Solar0.07 GW0%Gas15.44 GW43%Coal0.12 GW0%Imports3.01 GW8%Nuclear6.63 GW18%35.2GW AVERAGE21%8%43%8%18%
Price
£345.26/MWh
Day average £345.26
Demand35.2GW
Generation 33.3Transfers 1.9
Fossil fuels43%
Renewables22%
Other35%
Carbon intensityModerate
198g/kWh
0Day average 198300
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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 Thursday 23 December 2021, gas supplied 43% of Great Britain’s electricity and wind 21%. Demand peaked at 42.8 GW at 17:10. Carbon intensity averaged 198 g/kWh and the price £345.26/MWh. Wind generation peaked at 10.2 GW at 16:25. Carbon intensity was lowest at 23:30 (137 g/kWh) and highest at 07:30 (227 g/kWh). The wholesale price ranged from £224.44/MWh at 23:30 to £439.34/MWh at 08:30. Gas made 46% 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 0.070.2%Wind 7.6821.2%Gas 15.4442.5%Hydro 0.330.9%Biomass 3.028.3%Nuclear 6.6318.3%Coal 0.120.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.2avgGeneration 33.3avgTransfers 1.9avg
The day in figurespeaks, averages, totals
Peak demand42.8GW · 17:10
Low 25.7 · 04:05Avg 35.20–60 GW
Made in Great Britain95%of demand
Generation 33.3Transfers 1.9 GW
Net imports47GWh
In
69 Out
21
Zero-carbon share44%of generation
Nuclear 20%Hydro 1%Wind 23%Solar 0%

Transfers · Thu 23 Dec

Interconnectors and storage

On Thursday 23 December 2021, Great Britain imported 69 GWh and exported 21 GWh through its interconnectors. The most came from Netherlands (23 GWh), and the most exports went to France (20 GWh).

All interconnectors

Thu 23 Dec
Imported
69GWh
Exported
21GWh
Net in
47GWh
Average net flow
1.98GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.84GWImporting

In 20.1 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.82GWExporting

In 0.1 GWhOut 19.8 GWh

Ireland

Moyle · East–West · Greenlink

Average0.31GWImporting

In 9.1 GWhOut 1.6 GWh

Netherlands

BritNed

Average0.96GWImporting

In 23.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.69GWImporting

In 16.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWPumping

Generated 3.3 GWhPumped 5.5 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.