Electricity Live

Great Britain’s electricity on Wednesday 18 December 2019

On Wednesday 18 December, demand averaged 39.4 GW. Renewables supplied 28%.

39.4GW AVERAGEWind10.30 GW26%Hydro0.58 GW1%Biomass3.07 GW8%Solar0.26 GW1%Gas13.93 GW35%Coal1.50 GW4%Imports4.11 GW10%Nuclear5.89 GW15%39.4GW AVERAGE26%8%35%10%15%
Price
£36.77/MWh
Day average £36.77
Demand39.4GW
Generation 35.5Transfers 3.8
Fossil fuels35%
Renewables28%
Other33%
Carbon intensityModerate
221g/kWh
0Day average 221300
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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 18 December 2019, gas supplied 35% of Great Britain’s electricity and wind 26%. Demand peaked at 48.5 GW at 16:50. Carbon intensity averaged 221 g/kWh and the price £36.77/MWh. Wind generation peaked at 17.8 GW at 20:05. Solar generation peaked at 2.1 GW at 11:30. Carbon intensity was lowest at 22:30 (98 g/kWh) and highest at 06:30 (286 g/kWh). The wholesale price ranged from £0.57/MWh at 23:30 to £52.36/MWh at 08:00. Gas made 39% 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 0.260.7%Wind 10.3026.0%Gas 13.9335.1%Hydro 0.581.5%Biomass 3.077.8%Nuclear 5.8914.8%Coal 1.503.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 39.4avgGeneration 35.5avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand48.5GW · 16:50
Low 27.7 · 04:25Avg 39.40–60 GW
Made in Great Britain90%of demand
Generation 35.5Transfers 3.8 GW
Net imports90GWh
In
90 Out
1
Zero-carbon share48%of generation
Nuclear 17%Hydro 2%Wind 29%Solar 1%

Transfers · Wed 18 Dec

Interconnectors and storage

On Wednesday 18 December 2019, Great Britain imported 90 GWh and exported 1 GWh through its interconnectors. The most came from France (40 GWh).

All interconnectors

Wed 18 Dec
Imported
90GWh
Exported
1GWh
Net in
90GWh
Average net flow
3.74GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.93GWImporting

In 22.3 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.68GWImporting

In 40.4 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.52GWImporting

In 12.7 GWhOut 0.1 GWh

Netherlands

BritNed

Average0.61GWImporting

In 15.1 GWhOut 0.5 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWGenerating

Generated 8.1 GWhPumped 6.2 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.