Electricity Live

Great Britain’s electricity on Monday 23 August 2021

On Monday 23 August, demand averaged 29.2 GW. Renewables supplied 17%.

29.2GW AVERAGEWind2.99 GW10%Hydro0.19 GW1%Biomass1.50 GW5%Solar1.96 GW7%Gas13.47 GW45%Coal0.31 GW1%Imports4.86 GW16%Nuclear4.77 GW16%29.2GW AVERAGE10%45%16%16%
Price
£112.01/MWh
Day average £112.01
Demand29.2GW
Generation 25.2Transfers 4.0
Fossil fuels45%
Renewables17%
Other37%
Carbon intensityModerate
212g/kWh
0Day average 212300
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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 Monday 23 August 2021, gas supplied 45% of Great Britain’s electricity and nuclear 16%. Demand peaked at 35.6 GW at 13:35. Carbon intensity averaged 212 g/kWh and the price £112.01/MWh. Wind generation peaked at 3.8 GW at 23:15. Solar generation peaked at 6.3 GW at 14:30. Carbon intensity was lowest at 03:00 (182 g/kWh) and highest at 21:00 (241 g/kWh). The wholesale price ranged from £70.54/MWh at 00:30 to £146.40/MWh at 16:00. Gas made 53% 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 1.966.5%Wind 2.9910.0%Gas 13.4744.8%Hydro 0.190.6%Biomass 1.505.0%Nuclear 4.7715.9%Coal 0.311.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.2avgGeneration 25.2avgTransfers 4.0avg
The day in figurespeaks, averages, totals
Peak demand35.6GW · 13:35
Low 20.1 · 03:55Avg 29.20–40 GW
Made in Great Britain86%of demand
Generation 25.2Transfers 4.0 GW
Net imports98GWh
In
113 Out
15
Zero-carbon share39%of generation
Nuclear 19%Hydro 1%Wind 12%Solar 8%

Transfers · Mon 23 Aug

Interconnectors and storage

On Monday 23 August 2021, Great Britain imported 113 GWh and exported 15 GWh through its interconnectors. The most came from France (68 GWh), and the most exports went to Ireland (15 GWh).

All interconnectors

Mon 23 Aug
Imported
113GWh
Exported
15GWh
Net in
98GWh
Average net flow
4.07GW 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

Average2.81GWImporting

In 67.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.63GWExporting

In 0.0 GWhOut 15.2 GWh

Netherlands

BritNed

Average0.96GWImporting

In 22.9 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.05GWPumping

Generated 3.9 GWhPumped 5.1 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.