Electricity Live

Great Britain’s electricity on Tuesday 15 December 2020

On Tuesday 15 December, demand averaged 36.6 GW. Renewables supplied 31%.

36.6GW AVERAGEWind10.11 GW27%Hydro0.72 GW2%Biomass2.39 GW6%Solar0.69 GW2%Gas13.44 GW36%Coal0.80 GW2%Imports2.27 GW6%Nuclear6.43 GW17%36.6GW AVERAGE27%36%17%
Price
£51.40/MWh
Day average £51.40
Demand36.6GW
Generation 34.6Transfers 2.0
Fossil fuels36%
Renewables31%
Other30%
Carbon intensityModerate
178g/kWh
0Day average 178300
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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 Tuesday 15 December 2020, gas supplied 36% of Great Britain’s electricity and wind 27%. Demand peaked at 46.4 GW at 17:35. Carbon intensity averaged 178 g/kWh and the price £51.40/MWh. Wind generation peaked at 11.4 GW at 18:00. Solar generation peaked at 4.0 GW at 11:30. Carbon intensity was lowest at 03:30 (96 g/kWh) and highest at 14:00 (229 g/kWh). The wholesale price ranged from £19.82/MWh at 05:30 to £78.56/MWh at 17:00. Gas made 39% of the electricity generated in Great Britain, compared with 38% across 2020.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.691.9%Wind 10.1127.4%Gas 13.4436.5%Hydro 0.721.9%Biomass 2.396.5%Nuclear 6.4317.4%Coal 0.802.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 36.6avgGeneration 34.6avgTransfers 2.0avg
The day in figurespeaks, averages, totals
Peak demand46.4GW · 17:35
Low 25.2 · 04:40Avg 36.60–60 GW
Made in Great Britain95%of demand
Generation 34.6Transfers 2.0 GW
Net imports44GWh
In
46 Out
2
Zero-carbon share52%of generation
Nuclear 19%Hydro 2%Wind 29%Solar 2%

Transfers · Tue 15 Dec

Interconnectors and storage

On Tuesday 15 December 2020, Great Britain imported 46 GWh and exported 2 GWh through its interconnectors. The most came from France (30 GWh), and the most exports went to Ireland (2 GWh).

All interconnectors

Tue 15 Dec
Imported
46GWh
Exported
2GWh
Net in
44GWh
Average net flow
1.82GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.53GWImporting

In 13.0 GWhOut 0.2 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.25GWImporting

In 30.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.03GWImporting

In 2.9 GWhOut 2.1 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWGenerating

Generated 8.7 GWhPumped 4.8 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.