Electricity Live

Great Britain’s electricity on Sunday 12 December 2021

On Sunday 12 December, demand averaged 32.2 GW. Renewables supplied 38%.

32.2GW AVERAGEWind11.59 GW35%Hydro0.64 GW2%Biomass2.57 GW8%Solar0.26 GW1%Gas7.92 GW24%Coal0.86 GW3%Imports3.83 GW12%Nuclear5.11 GW16%32.2GW AVERAGE35%8%24%12%16%
Price
£172.61/MWh
Day average £172.61
Demand32.2GW
Generation 29.0Transfers 3.3
Fossil fuels24%
Renewables38%
Other35%
Carbon intensityModerate
150g/kWh
0Day average 150300
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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 12 December 2021, wind supplied 35% of Great Britain’s electricity and gas 24%. Demand peaked at 42.1 GW at 17:30. Carbon intensity averaged 150 g/kWh and the price £172.61/MWh. Wind generation peaked at 16.0 GW at 19:30. Solar generation peaked at 1.5 GW at 11:00. Carbon intensity was lowest at 23:30 (79 g/kWh) and highest at 10:00 (210 g/kWh). The wholesale price ranged from £60.14/MWh at 23:30 to £228.98/MWh at 18:00. Wind made 40% of the electricity generated in Great Britain, compared with 25% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.260.8%Wind 11.5935.3%Gas 7.9224.2%Hydro 0.642.0%Biomass 2.577.8%Nuclear 5.1115.6%Coal 0.862.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.2avgGeneration 29.0avgTransfers 3.3avg
The day in figurespeaks, averages, totals
Peak demand42.1GW · 17:30
Low 24.0 · 04:25Avg 32.20–60 GW
Made in Great Britain90%of demand
Generation 29.0Transfers 3.3 GW
Net imports83GWh
In
91 Out
8
Zero-carbon share61%of generation
Nuclear 18%Hydro 2%Wind 40%Solar 1%

Transfers · Sun 12 Dec

Interconnectors and storage

On Sunday 12 December 2021, Great Britain imported 91 GWh and exported 8 GWh through its interconnectors. The most came from Netherlands (23 GWh), and the most exports went to France (6 GWh).

All interconnectors

Sun 12 Dec
Imported
91GWh
Exported
8GWh
Net in
83GWh
Average net flow
3.44GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.96GWImporting

In 22.9 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.54GWImporting

In 19.2 GWhOut 6.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.27GWImporting

In 8.7 GWhOut 2.3 GWh

Netherlands

BritNed

Average0.98GWImporting

In 23.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.69GWImporting

In 16.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.15GWPumping

Generated 1.0 GWhPumped 4.5 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.