Electricity Live

Great Britain’s electricity on Wednesday 19 December 2018

On Wednesday 19 December, demand averaged 38.4 GW. Renewables supplied 26%.

38.4GW AVERAGEWind8.93 GW23%Hydro0.67 GW2%Biomass2.48 GW6%Solar0.42 GW1%Gas14.61 GW38%Coal2.63 GW7%Imports3.01 GW8%Nuclear5.91 GW15%38.4GW AVERAGE23%38%8%15%
Price
£66.62/MWh
Day average £66.62
Demand38.4GW
Generation 35.7Transfers 2.8
Fossil fuels38%
Renewables26%
Other29%
Carbon intensityModerate
254g/kWh
0Day average 254300
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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 Wednesday 19 December 2018, gas supplied 38% of Great Britain’s electricity and wind 23%. Demand peaked at 47.2 GW at 17:20. Carbon intensity averaged 254 g/kWh and the price £66.62/MWh. Wind generation peaked at 11.2 GW at 18:50. Solar generation peaked at 2.6 GW at 11:00. Carbon intensity was lowest at 23:30 (181 g/kWh) and highest at 16:00 (300 g/kWh). The wholesale price ranged from £54.05/MWh at 02:00 to £82.39/MWh at 09:00. Gas made 41% 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 0.421.1%Wind 8.9323.1%Gas 14.6137.8%Hydro 0.671.7%Biomass 2.486.4%Nuclear 5.9115.3%Coal 2.636.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 38.4avgGeneration 35.7avgTransfers 2.8avg
The day in figurespeaks, averages, totals
Peak demand47.2GW · 17:20
Low 27.2 · 03:55Avg 38.40–60 GW
Made in Great Britain93%of demand
Generation 35.7Transfers 2.8 GW
Net imports65GWh
In
67 Out
1
Zero-carbon share45%of generation
Nuclear 17%Hydro 2%Wind 25%Solar 1%

Transfers · Wed 19 Dec

Interconnectors and storage

On Wednesday 19 December 2018, Great Britain imported 67 GWh and exported 1 GWh through its interconnectors. The most came from France (44 GWh), and the most exports went to Ireland (1 GWh).

All interconnectors

Wed 19 Dec
Imported
67GWh
Exported
1GWh
Net in
65GWh
Average net flow
2.73GW 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

Average1.85GWImporting

In 44.4 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.20GWImporting

In 6.1 GWhOut 1.2 GWh

Netherlands

BritNed

Average0.68GWImporting

In 16.5 GWhOut 0.2 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.04GWGenerating

Generated 5.4 GWhPumped 4.4 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.