Electricity Live

Great Britain’s electricity on Tuesday 31 December 2019

On Tuesday 31 December, demand averaged 32.9 GW. Renewables supplied 16%.

32.9GW AVERAGEWind4.41 GW13%Hydro0.74 GW2%Biomass2.94 GW9%Solar0.31 GW1%Gas13.16 GW39%Coal1.24 GW4%Imports3.70 GW11%Nuclear6.94 GW21%32.9GW AVERAGE13%9%39%11%21%
Price
£35.91/MWh
Day average £35.91
Demand32.9GW
Generation 29.7Transfers 3.1
Fossil fuels39%
Renewables16%
Other41%
Carbon intensityHigh
240g/kWh
0Day average 240300
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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 31 December 2019, gas supplied 39% of Great Britain’s electricity and nuclear 21%. Demand peaked at 41.0 GW at 17:20. Carbon intensity averaged 240 g/kWh and the price £35.91/MWh. Wind generation peaked at 6.5 GW at 22:15. Solar generation peaked at 1.8 GW at 12:00. Carbon intensity was lowest at 23:30 (180 g/kWh) and highest at 07:00 (275 g/kWh). The wholesale price ranged from £21.78/MWh at 01:30 to £50.68/MWh at 17:00. Gas made 44% of the electricity generated in Great Britain, compared with 43% across 2019.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.310.9%Wind 4.4113.2%Gas 13.1639.4%Hydro 0.742.2%Biomass 2.948.8%Nuclear 6.9420.8%Coal 1.243.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.9avgGeneration 29.7avgTransfers 3.1avg
The day in figurespeaks, averages, totals
Peak demand41.0GW · 17:20
Low 23.8 · 04:20Avg 32.90–60 GW
Made in Great Britain90%of demand
Generation 29.7Transfers 3.1 GW
Net imports75GWh
In
86 Out
11
Zero-carbon share42%of generation
Nuclear 23%Hydro 2%Wind 15%Solar 1%

Transfers · Tue 31 Dec

Interconnectors and storage

On Tuesday 31 December 2019, Great Britain imported 86 GWh and exported 11 GWh through its interconnectors. The most came from France (46 GWh), and the most exports went to Ireland (10 GWh).

All interconnectors

Tue 31 Dec
Imported
86GWh
Exported
11GWh
Net in
75GWh
Average net flow
3.11GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.64GWImporting

In 16.3 GWhOut 0.9 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.92GWImporting

In 46.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.26GWExporting

In 4.0 GWhOut 10.3 GWh

Netherlands

BritNed

Average0.81GWImporting

In 19.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWGenerating

Generated 2.9 GWhPumped 2.1 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.