Electricity Live

Great Britain’s electricity on Wednesday 8 December 2021

On Wednesday 8 December, demand averaged 38.7 GW. Renewables supplied 37%.

38.7GW AVERAGEWind13.97 GW35%Hydro0.60 GW1%Biomass2.96 GW7%Solar0.35 GW1%Gas13.37 GW33%Coal1.27 GW3%Imports2.77 GW7%Nuclear4.90 GW12%38.7GW AVERAGE35%7%33%12%
Price
£204.96/MWh
Day average £204.96
Demand38.7GW
Generation 37.4Transfers 1.3
Fossil fuels33%
Renewables37%
Other26%
Carbon intensityModerate
177g/kWh
0Day average 177300
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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 Wednesday 8 December 2021, wind supplied 35% of Great Britain’s electricity and gas 33%. Demand peaked at 47.3 GW at 17:10. Carbon intensity averaged 177 g/kWh and the price £204.96/MWh. Wind generation peaked at 17.4 GW at 00:35. Solar generation peaked at 1.9 GW at 12:00. Carbon intensity was lowest at 01:00 (74 g/kWh) and highest at 17:30 (238 g/kWh). The wholesale price ranged from £93.47/MWh at 00:00 to £278.91/MWh at 18:30. Wind made 37% 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 0.350.9%Wind 13.9734.8%Gas 13.3733.3%Hydro 0.601.5%Biomass 2.967.4%Nuclear 4.9012.2%Coal 1.273.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 38.7avgGeneration 37.4avgTransfers 1.3avg
The day in figurespeaks, averages, totals
Peak demand47.3GW · 17:10
Low 27.1 · 04:10Avg 38.70–60 GW
Made in Great Britain97%of demand
Generation 37.4Transfers 1.3 GW
Net imports37GWh
In
62 Out
26
Zero-carbon share53%of generation
Nuclear 13%Hydro 2%Wind 37%Solar 1%

Transfers · Wed 8 Dec

Interconnectors and storage

On Wednesday 8 December 2021, Great Britain imported 62 GWh and exported 26 GWh through its interconnectors. The most came from Belgium (21 GWh), and the most exports went to France (25 GWh).

All interconnectors

Wed 8 Dec
Imported
62GWh
Exported
26GWh
Net in
37GWh
Average net flow
1.53GW 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

Average1.03GWExporting

In 0.6 GWhOut 25.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.16GWImporting

In 4.2 GWhOut 0.5 GWh

Netherlands

BritNed

Average0.83GWImporting

In 19.9 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.69GWImporting

In 16.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.22GWPumping

Generated 4.1 GWhPumped 9.3 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.