Electricity Live

Great Britain’s electricity on Monday 21 December 2020

On Monday 21 December, demand averaged 34.6 GW. Renewables supplied 32%.

34.6GW AVERAGEWind10.27 GW29%Hydro0.92 GW3%Biomass2.42 GW7%Solar0.07 GW0%Gas12.09 GW34%Coal0.70 GW2%Imports2.84 GW8%Nuclear6.18 GW17%34.6GW AVERAGE29%34%8%17%
Price
£54.26/MWh
Day average £54.26
Demand34.6GW
Generation 32.7Transfers 2.0
Fossil fuels34%
Renewables32%
Other32%
Carbon intensityModerate
164g/kWh
0Day average 164300
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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 21 December 2020, gas supplied 34% of Great Britain’s electricity and wind 29%. Demand peaked at 43.0 GW at 17:45. Carbon intensity averaged 164 g/kWh and the price £54.26/MWh. Wind generation peaked at 12.8 GW at 23:35. Carbon intensity was lowest at 06:00 (49 g/kWh) and highest at 15:00 (229 g/kWh). The wholesale price ranged from £22.03/MWh at 23:00 to £74.99/MWh at 16:30. Gas made 37% of the electricity generated in Great Britain, compared with 38% across 2020.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.070.2%Wind 10.2728.9%Gas 12.0934.0%Hydro 0.922.6%Biomass 2.426.8%Nuclear 6.1817.4%Coal 0.702.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.6avgGeneration 32.7avgTransfers 2.0avg
The day in figurespeaks, averages, totals
Peak demand43.0GW · 17:45
Low 23.8 · 03:50Avg 34.60–60 GW
Made in Great Britain94%of demand
Generation 32.7Transfers 2.0 GW
Net imports49GWh
In
65 Out
16
Zero-carbon share53%of generation
Nuclear 19%Hydro 3%Wind 31%Solar 0%

Transfers · Mon 21 Dec

Interconnectors and storage

On Monday 21 December 2020, Great Britain imported 65 GWh and exported 16 GWh through its interconnectors. The most came from France (43 GWh), and the most exports went to Ireland (16 GWh).

All interconnectors

Mon 21 Dec
Imported
65GWh
Exported
16GWh
Net in
49GWh
Average net flow
2.04GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.88GWImporting

In 21.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.81GWImporting

In 43.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.65GWExporting

In 0.4 GWhOut 15.9 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

Average0.05GWPumping

Generated 3.4 GWhPumped 4.8 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.