Electricity Live

Great Britain’s electricity on Tuesday 29 December 2020

On Tuesday 29 December, demand averaged 34.2 GW. Renewables supplied 19%.

34.2GW AVERAGEWind5.50 GW16%Hydro0.69 GW2%Biomass2.34 GW7%Solar0.26 GW1%Gas15.74 GW46%Coal0.21 GW1%Imports3.75 GW11%Nuclear6.03 GW17%34.2GW AVERAGE16%46%11%17%
Price
£69.04/MWh
Day average £69.04
Demand34.2GW
Generation 30.8Transfers 3.4
Fossil fuels46%
Renewables19%
Other35%
Carbon intensityModerate
213g/kWh
0Day average 213300
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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 29 December 2020, gas supplied 46% of Great Britain’s electricity and nuclear 17%. Demand peaked at 43.3 GW at 17:20. Carbon intensity averaged 213 g/kWh and the price £69.04/MWh. Wind generation peaked at 6.5 GW at 14:55. Solar generation peaked at 1.6 GW at 11:30. Carbon intensity was lowest at 23:00 (167 g/kWh) and highest at 17:00 (245 g/kWh). The wholesale price ranged from £40.70/MWh at 09:00 to £118.53/MWh at 17:30. Gas made 51% 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 0.260.7%Wind 5.5015.9%Gas 15.7445.6%Hydro 0.692.0%Biomass 2.346.8%Nuclear 6.0317.5%Coal 0.210.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.2avgGeneration 30.8avgTransfers 3.4avg
The day in figurespeaks, averages, totals
Peak demand43.3GW · 17:20
Low 24.8 · 04:25Avg 34.20–60 GW
Made in Great Britain90%of demand
Generation 30.8Transfers 3.4 GW
Net imports84GWh
In
86 Out
1
Zero-carbon share41%of generation
Nuclear 20%Hydro 2%Wind 18%Solar 1%

Transfers · Tue 29 Dec

Interconnectors and storage

On Tuesday 29 December 2020, Great Britain imported 86 GWh and exported 1 GWh through its interconnectors. The most came from France (47 GWh), and the most exports went to Ireland (1 GWh).

All interconnectors

Tue 29 Dec
Imported
86GWh
Exported
1GWh
Net in
84GWh
Average net flow
3.52GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.96GWImporting

In 23.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.96GWImporting

In 47.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.60GWImporting

In 15.8 GWhOut 1.4 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

Average0.08GWPumping

Generated 4.2 GWhPumped 6.0 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.