Electricity Live

Great Britain’s electricity on Tuesday 20 August 2019

On Tuesday 20 August, demand averaged 30.0 GW. Renewables supplied 25%.

30.0GW AVERAGEWind4.86 GW16%Hydro0.58 GW2%Biomass1.65 GW5%Solar2.18 GW7%Gas11.89 GW39%Coal0.58 GW2%Imports3.06 GW10%Nuclear5.80 GW19%30.0GW AVERAGE16%7%39%10%19%
Price
£36.92/MWh
Day average £36.92
Demand30.0GW
Generation 27.5Transfers 2.4
Fossil fuels39%
Renewables25%
Other34%
Carbon intensityModerate
207g/kWh
0Day average 207300
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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 20 August 2019, gas supplied 39% of Great Britain’s electricity and nuclear 19%. Demand peaked at 35.9 GW at 11:55. Carbon intensity averaged 207 g/kWh and the price £36.92/MWh. Wind generation peaked at 8.1 GW at 00:30. Solar generation peaked at 6.4 GW at 14:00. Carbon intensity was lowest at 00:00 (134 g/kWh) and highest at 19:30 (268 g/kWh). The wholesale price ranged from £22.83/MWh at 03:30 to £50.08/MWh at 20:30. Gas made 43% 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 2.187.1%Wind 4.8615.9%Gas 11.8938.8%Hydro 0.581.9%Biomass 1.655.4%Nuclear 5.8019.0%Coal 0.581.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.0avgGeneration 27.5avgTransfers 2.4avg
The day in figurespeaks, averages, totals
Peak demand35.9GW · 11:55
Low 20.4 · 03:50Avg 30.00–40 GW
Made in Great Britain92%of demand
Generation 27.5Transfers 2.4 GW
Net imports57GWh
In
68 Out
11
Zero-carbon share49%of generation
Nuclear 21%Hydro 2%Wind 18%Solar 8%

Transfers · Tue 20 Aug

Interconnectors and storage

On Tuesday 20 August 2019, Great Britain imported 68 GWh and exported 11 GWh through its interconnectors. The most came from France (41 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Tue 20 Aug
Imported
68GWh
Exported
11GWh
Net in
57GWh
Average net flow
2.38GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.67GWImporting

In 16.1 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.73GWImporting

In 41.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.27GWExporting

In 0.4 GWhOut 6.9 GWh

Netherlands

BritNed

Average0.25GWImporting

In 10.3 GWhOut 4.3 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWGenerating

Generated 5.3 GWhPumped 4.7 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.