Electricity Live

Great Britain’s electricity on Sunday 20 December 2020

On Sunday 20 December, demand averaged 31.9 GW. Renewables supplied 46%.

31.9GW AVERAGEWind13.74 GW42%Hydro0.78 GW2%Biomass1.80 GW6%Solar0.54 GW2%Gas6.57 GW20%Coal0.43 GW1%Imports2.50 GW8%Nuclear6.12 GW19%31.9GW AVERAGE42%20%8%19%
Price
£48.09/MWh
Day average £48.09
Demand31.9GW
Generation 30.0Transfers 1.9
Fossil fuels20%
Renewables46%
Other32%
Carbon intensityLow
113g/kWh
0Day average 113300
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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 20 December 2020, wind supplied 42% of Great Britain’s electricity and gas 20%. Demand peaked at 42.0 GW at 17:00. Carbon intensity averaged 113 g/kWh and the price £48.09/MWh. Wind generation peaked at 16.4 GW at 00:00. Solar generation peaked at 3.1 GW at 11:00. Carbon intensity was lowest at 02:00 (64 g/kWh) and highest at 16:30 (167 g/kWh). The wholesale price ranged from £20.65/MWh at 00:00 to £73.68/MWh at 17:00. Wind made 46% of the electricity generated in Great Britain, compared with 27% across 2020.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.541.7%Wind 13.7442.3%Gas 6.5720.2%Hydro 0.782.4%Biomass 1.805.6%Nuclear 6.1218.8%Coal 0.431.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.9avgGeneration 30.0avgTransfers 1.9avg
The day in figurespeaks, averages, totals
Peak demand42.0GW · 17:00
Low 22.7 · 04:45Avg 31.90–60 GW
Made in Great Britain94%of demand
Generation 30.0Transfers 1.9 GW
Net imports49GWh
In
54 Out
5
Zero-carbon share71%of generation
Nuclear 20%Hydro 3%Wind 46%Solar 2%

Transfers · Sun 20 Dec

Interconnectors and storage

On Sunday 20 December 2020, Great Britain imported 54 GWh and exported 5 GWh through its interconnectors. The most came from France (29 GWh), and the most exports went to France (2 GWh).

All interconnectors

Sun 20 Dec
Imported
54GWh
Exported
5GWh
Net in
49GWh
Average net flow
2.05GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.67GWImporting

In 16.7 GWhOut 0.7 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.10GWImporting

In 28.8 GWhOut 2.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.28GWImporting

In 8.6 GWhOut 1.8 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

Average0.17GWPumping

Generated 5.9 GWhPumped 9.9 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.