Electricity Live

Great Britain’s electricity on Monday 31 December 2018

On Monday 31 December, demand averaged 31.7 GW. Renewables supplied 31%.

31.7GW AVERAGEWind9.68 GW30%Hydro0.46 GW1%Biomass1.90 GW6%Solar0.09 GW0%Gas10.22 GW31%Coal0.93 GW3%Imports2.48 GW8%Nuclear6.93 GW21%31.7GW AVERAGE30%31%8%21%
Price
£53.85/MWh
Day average £53.85
Demand31.7GW
Generation 30.2Transfers 1.5
Fossil fuels31%
Renewables31%
Other35%
Carbon intensityModerate
188g/kWh
0Day average 188300
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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 Monday 31 December 2018, gas supplied 31% of Great Britain’s electricity and wind 30%. Demand peaked at 40.8 GW at 17:20. Carbon intensity averaged 188 g/kWh and the price £53.85/MWh. Wind generation peaked at 12.4 GW at 21:00. Solar generation peaked at 0.6 GW at 11:30. Carbon intensity was lowest at 23:30 (112 g/kWh) and highest at 16:00 (235 g/kWh). The wholesale price ranged from £47.38/MWh at 21:30 to £63.93/MWh at 17:00. Gas made 34% of the electricity generated in Great Britain, compared with 42% across 2018.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.090.3%Wind 9.6829.6%Gas 10.2231.3%Hydro 0.461.4%Biomass 1.905.8%Nuclear 6.9321.2%Coal 0.932.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.7avgGeneration 30.2avgTransfers 1.5avg
The day in figurespeaks, averages, totals
Peak demand40.8GW · 17:20
Low 22.7 · 04:25Avg 31.70–60 GW
Made in Great Britain95%of demand
Generation 30.2Transfers 1.5 GW
Net imports42GWh
In
57 Out
15
Zero-carbon share57%of generation
Nuclear 23%Hydro 2%Wind 32%Solar 0%

Transfers · Mon 31 Dec

Interconnectors and storage

On Monday 31 December 2018, Great Britain imported 57 GWh and exported 15 GWh through its interconnectors. The most came from France (40 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Mon 31 Dec
Imported
57GWh
Exported
15GWh
Net in
42GWh
Average net flow
1.73GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.68GWImporting

In 40.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.59GWExporting

In 0.1 GWhOut 14.3 GWh

Netherlands

BritNed

Average0.65GWImporting

In 16.2 GWhOut 0.7 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.22GWPumping

Generated 2.8 GWhPumped 8.1 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.