Electricity Live

Great Britain’s electricity on Tuesday 18 December 2018

On Tuesday 18 December, demand averaged 38.7 GW. Renewables supplied 35%.

38.7GW AVERAGEWind13.05 GW33%Hydro0.57 GW1%Biomass2.59 GW7%Solar0.06 GW0%Gas12.03 GW31%Coal2.38 GW6%Imports2.67 GW7%Nuclear5.91 GW15%38.7GW AVERAGE33%31%15%
Price
£56.40/MWh
Day average £56.40
Demand38.7GW
Generation 36.6Transfers 2.1
Fossil fuels31%
Renewables35%
Other28%
Carbon intensityModerate
214g/kWh
0Day average 214300
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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 18 December 2018, wind supplied 33% of Great Britain’s electricity and gas 31%. Demand peaked at 47.9 GW at 17:20. Carbon intensity averaged 214 g/kWh and the price £56.40/MWh. Wind generation peaked at 16.4 GW at 11:20. Carbon intensity was lowest at 04:00 (107 g/kWh) and highest at 16:30 (288 g/kWh). The wholesale price ranged from £0.00/MWh at 23:00 to £76.50/MWh at 17:30. Wind made 36% of the electricity generated in Great Britain, compared with 19% across 2018.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.060.2%Wind 13.0533.2%Gas 12.0330.6%Hydro 0.571.5%Biomass 2.596.6%Nuclear 5.9115.1%Coal 2.386.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 38.7avgGeneration 36.6avgTransfers 2.1avg
The day in figurespeaks, averages, totals
Peak demand47.9GW · 17:20
Low 26.6 · 04:25Avg 38.70–60 GW
Made in Great Britain94%of demand
Generation 36.6Transfers 2.1 GW
Net imports52GWh
In
57 Out
5
Zero-carbon share54%of generation
Nuclear 16%Hydro 2%Wind 36%Solar 0%

Transfers · Tue 18 Dec

Interconnectors and storage

On Tuesday 18 December 2018, Great Britain imported 57 GWh and exported 5 GWh through its interconnectors. The most came from France (37 GWh), and the most exports went to Ireland (4 GWh).

All interconnectors

Tue 18 Dec
Imported
57GWh
Exported
5GWh
Net in
52GWh
Average net flow
2.15GW 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

Average1.53GWImporting

In 36.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.03GWImporting

In 5.2 GWhOut 4.4 GWh

Netherlands

BritNed

Average0.59GWImporting

In 14.9 GWhOut 0.9 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWPumping

Generated 7.3 GWhPumped 7.7 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.