Electricity Live

Great Britain’s electricity on Sunday 29 August 2021

On Sunday 29 August, demand averaged 25.3 GW. Renewables supplied 26%.

25.3GW AVERAGEWind4.84 GW19%Hydro0.19 GW1%Biomass1.63 GW6%Solar1.59 GW6%Gas7.99 GW31%Coal0.27 GW1%Imports3.94 GW15%Nuclear5.28 GW21%25.3GW AVERAGE19%31%15%21%
Price
£105.42/MWh
Day average £105.42
Demand25.3GW
Generation 21.8Transfers 3.5
Fossil fuels31%
Renewables26%
Other42%
Carbon intensityModerate
160g/kWh
0Day average 160300
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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 Sunday 29 August 2021, gas supplied 31% of Great Britain’s electricity and nuclear 21%. Demand peaked at 30.7 GW at 17:25. Carbon intensity averaged 160 g/kWh and the price £105.42/MWh. Wind generation peaked at 7.6 GW at 21:40. Solar generation peaked at 4.8 GW at 12:00. Carbon intensity was lowest at 23:30 (136 g/kWh) and highest at 00:00 (197 g/kWh). The wholesale price ranged from £77.67/MWh at 23:00 to £124.36/MWh at 13:00. Gas made 37% of the electricity generated in Great Britain, compared with 42% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.596.2%Wind 4.8418.8%Gas 7.9931.1%Hydro 0.190.7%Biomass 1.636.3%Nuclear 5.2820.5%Coal 0.271.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.3avgGeneration 21.8avgTransfers 3.5avg
The day in figurespeaks, averages, totals
Peak demand30.7GW · 17:25
Low 18.8 · 04:35Avg 25.30–40 GW
Made in Great Britain86%of demand
Generation 21.8Transfers 3.5 GW
Net imports86GWh
In
93 Out
7
Zero-carbon share55%of generation
Nuclear 24%Hydro 1%Wind 22%Solar 7%

Transfers · Sun 29 Aug

Interconnectors and storage

On Sunday 29 August 2021, Great Britain imported 93 GWh and exported 7 GWh through its interconnectors. The most came from France (56 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Sun 29 Aug
Imported
93GWh
Exported
7GWh
Net in
86GWh
Average net flow
3.58GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.77GWImporting

In 18.5 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.32GWImporting

In 55.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.28GWExporting

In 0.3 GWhOut 6.9 GWh

Netherlands

BritNed

Average0.77GWImporting

In 18.4 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.04GWPumping

Generated 1.6 GWhPumped 2.5 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.