Electricity Live

Great Britain’s electricity on Wednesday 21 August 2019

On Wednesday 21 August, demand averaged 30.1 GW. Renewables supplied 33%.

30.1GW AVERAGEWind7.34 GW24%Hydro0.47 GW2%Biomass1.57 GW5%Solar2.06 GW7%Gas9.08 GW30%Coal0.43 GW1%Imports3.51 GW12%Nuclear5.77 GW19%30.1GW AVERAGE24%30%12%19%
Price
£38.41/MWh
Day average £38.41
Demand30.1GW
Generation 26.7Transfers 3.3
Fossil fuels30%
Renewables33%
Other36%
Carbon intensityModerate
173g/kWh
0Day average 173300
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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 21 August 2019, gas supplied 30% of Great Britain’s electricity and wind 24%. Demand peaked at 36.6 GW at 12:45. Carbon intensity averaged 173 g/kWh and the price £38.41/MWh. Wind generation peaked at 11.7 GW at 20:35. Solar generation peaked at 6.7 GW at 12:30. Carbon intensity was lowest at 23:00 (121 g/kWh) and highest at 06:30 (235 g/kWh). The wholesale price ranged from £28.79/MWh at 15:00 to £53.24/MWh at 07:30. Gas made 34% 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 2.066.8%Wind 7.3424.3%Gas 9.0830.0%Hydro 0.471.6%Biomass 1.575.2%Nuclear 5.7719.1%Coal 0.431.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.1avgGeneration 26.7avgTransfers 3.3avg
The day in figurespeaks, averages, totals
Peak demand36.6GW · 12:45
Low 20.7 · 03:55Avg 30.10–40 GW
Made in Great Britain89%of demand
Generation 26.7Transfers 3.3 GW
Net imports79GWh
In
81 Out
1
Zero-carbon share59%of generation
Nuclear 22%Hydro 2%Wind 27%Solar 8%

Transfers · Wed 21 Aug

Interconnectors and storage

On Wednesday 21 August 2019, Great Britain imported 81 GWh and exported 1 GWh through its interconnectors. The most came from France (43 GWh).

All interconnectors

Wed 21 Aug
Imported
81GWh
Exported
1GWh
Net in
79GWh
Average net flow
3.31GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.78GWImporting

In 18.8 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.77GWImporting

In 42.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.33GWImporting

In 8.1 GWhOut 0.3 GWh

Netherlands

BritNed

Average0.43GWImporting

In 11.3 GWhOut 1.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWGenerating

Generated 3.5 GWhPumped 2.8 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.