Electricity Live

Great Britain’s electricity on Saturday 11 December 2021

On Saturday 11 December, demand averaged 34.8 GW. Renewables supplied 29%.

34.8GW AVERAGEWind9.44 GW27%Hydro0.57 GW2%Biomass2.42 GW7%Solar0.16 GW0%Gas11.63 GW33%Coal1.55 GW4%Imports4.20 GW12%Nuclear5.13 GW15%34.8GW AVERAGE27%33%12%15%
Price
£225.94/MWh
Day average £225.94
Demand34.8GW
Generation 30.9Transfers 3.9
Fossil fuels33%
Renewables29%
Other33%
Carbon intensityModerate
202g/kWh
0Day average 202300
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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 Saturday 11 December 2021, gas supplied 33% of Great Britain’s electricity and wind 27%. Demand peaked at 42.9 GW at 17:20. Carbon intensity averaged 202 g/kWh and the price £225.94/MWh. Wind generation peaked at 14.0 GW at 21:00. Solar generation peaked at 0.9 GW at 11:00. Carbon intensity was lowest at 23:30 (94 g/kWh) and highest at 07:30 (252 g/kWh). The wholesale price ranged from £112.31/MWh at 23:00 to £262.91/MWh at 16:30. Gas made 38% 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 0.160.4%Wind 9.4426.9%Gas 11.6333.1%Hydro 0.571.6%Biomass 2.426.9%Nuclear 5.1314.6%Coal 1.554.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.8avgGeneration 30.9avgTransfers 3.9avg
The day in figurespeaks, averages, totals
Peak demand42.9GW · 17:20
Low 26.3 · 04:55Avg 34.80–60 GW
Made in Great Britain89%of demand
Generation 30.9Transfers 3.9 GW
Net imports92GWh
In
98 Out
6
Zero-carbon share50%of generation
Nuclear 17%Hydro 2%Wind 31%Solar 1%

Transfers · Sat 11 Dec

Interconnectors and storage

On Saturday 11 December 2021, Great Britain imported 98 GWh and exported 6 GWh through its interconnectors. The most came from France (24 GWh), and the most exports went to France (3 GWh).

All interconnectors

Sat 11 Dec
Imported
98GWh
Exported
6GWh
Net in
92GWh
Average net flow
3.84GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.98GWImporting

In 23.5 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.89GWImporting

In 24.4 GWhOut 3.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.31GWImporting

In 10.6 GWhOut 3.1 GWh

Netherlands

BritNed

Average0.96GWImporting

In 23.2 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.69GWImporting

In 16.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.04GWGenerating

Generated 2.4 GWhPumped 1.4 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.