Electricity Live

Great Britain’s electricity on Friday 17 December 2021

On Friday 17 December, demand averaged 35.0 GW. Renewables supplied 8%.

35.0GW AVERAGEWind1.80 GW5%Hydro0.65 GW2%Biomass2.29 GW6%Solar0.27 GW1%Gas19.90 GW56%Coal1.21 GW3%Imports4.31 GW12%Nuclear5.36 GW15%35.0GW AVERAGE56%12%15%
Price
£298.70/MWh
Day average £298.70
Demand35.0GW
Generation 31.5Transfers 3.5
Fossil fuels56%
Renewables8%
Other33%
Carbon intensityHigh
278g/kWh
0Day average 278300
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Key moments

On Friday 17 December 2021, gas supplied 56% of Great Britain’s electricity and nuclear 15%. Demand peaked at 42.5 GW at 17:20. Carbon intensity averaged 278 g/kWh and the price £298.70/MWh. Wind generation peaked at 2.8 GW at 20:00. Solar generation peaked at 1.5 GW at 11:30. Carbon intensity was lowest at 23:30 (219 g/kWh) and highest at 06:30 (312 g/kWh). The wholesale price ranged from £210.48/MWh at 04:00 to £379.02/MWh at 16:30. Gas made 63% 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 0.270.8%Wind 1.805.0%Gas 19.9055.6%Hydro 0.651.8%Biomass 2.296.4%Nuclear 5.3615.0%Coal 1.213.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.0avgGeneration 31.5avgTransfers 3.5avg
The day in figurespeaks, averages, totals
Peak demand42.5GW · 17:20
Low 24.6 · 04:00Avg 35.00–60 GW
Made in Great Britain90%of demand
Generation 31.5Transfers 3.5 GW
Net imports82GWh
In
94 Out
11
Zero-carbon share26%of generation
Nuclear 17%Hydro 2%Wind 6%Solar 1%

Transfers · Fri 17 Dec

Interconnectors and storage

On Friday 17 December 2021, Great Britain imported 94 GWh and exported 11 GWh through its interconnectors. The most came from France (27 GWh), and the most exports went to France (10 GWh).

All interconnectors

Fri 17 Dec
Imported
94GWh
Exported
11GWh
Net in
82GWh
Average net flow
3.43GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.79GWImporting

In 20.3 GWhOut 1.4 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.74GWImporting

In 27.5 GWhOut 9.7 GWh

Ireland

Moyle · East–West · Greenlink

Average0.63GWImporting

In 15.1 GWhOut 0.0 GWh

Netherlands

BritNed

Average0.58GWImporting

In 14.0 GWhOut 0.2 GWh

Norway

North Sea Link

Average0.69GWImporting

In 16.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWGenerating

Generated 9.9 GWhPumped 7.4 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.