Electricity Live

Great Britain’s electricity on Sunday 19 December 2021

On Sunday 19 December, demand averaged 33.1 GW. Renewables supplied 9%.

33.1GW AVERAGEWind2.33 GW7%Hydro0.57 GW2%Biomass2.70 GW8%Solar0.22 GW1%Gas18.60 GW55%Coal0.13 GW0%Imports3.59 GW11%Nuclear5.59 GW17%33.1GW AVERAGE8%55%11%17%
Price
£306.94/MWh
Day average £306.94
Demand33.1GW
Generation 30.1Transfers 2.9
Fossil fuels55%
Renewables9%
Other35%
Carbon intensityHigh
251g/kWh
0Day average 251300
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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 19 December 2021, gas supplied 55% of Great Britain’s electricity and nuclear 17%. Demand peaked at 42.5 GW at 17:20. Carbon intensity averaged 251 g/kWh and the price £306.94/MWh. Wind generation peaked at 4.1 GW at 21:30. Solar generation peaked at 1.3 GW at 11:30. Carbon intensity was lowest at 23:30 (229 g/kWh) and highest at 19:00 (268 g/kWh). The wholesale price ranged from £255.84/MWh at 01:30 to £348.42/MWh at 12:00. Gas made 62% 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 0.220.6%Wind 2.336.9%Gas 18.6055.1%Hydro 0.571.7%Biomass 2.708.0%Nuclear 5.5916.6%Coal 0.130.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.1avgGeneration 30.1avgTransfers 2.9avg
The day in figurespeaks, averages, totals
Peak demand42.5GW · 17:20
Low 23.9 · 04:50Avg 33.10–60 GW
Made in Great Britain91%of demand
Generation 30.1Transfers 2.9 GW
Net imports76GWh
In
84 Out
7
Zero-carbon share29%of generation
Nuclear 19%Hydro 2%Wind 8%Solar 1%

Transfers · Sun 19 Dec

Interconnectors and storage

On Sunday 19 December 2021, Great Britain imported 84 GWh and exported 7 GWh through its interconnectors. The most came from Netherlands (24 GWh), and the most exports went to France (7 GWh).

All interconnectors

Sun 19 Dec
Imported
84GWh
Exported
7GWh
Net in
76GWh
Average net flow
3.18GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.90GWImporting

In 21.7 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.43GWImporting

In 17.0 GWhOut 6.6 GWh

Ireland

Moyle · East–West · Greenlink

Average0.16GWImporting

In 4.5 GWhOut 0.7 GWh

Netherlands

BritNed

Average0.98GWImporting

In 23.6 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.69GWImporting

In 16.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.25GWPumping

Generated 2.6 GWhPumped 8.5 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.