Electricity Live

Great Britain’s electricity on Sunday 20 August 2023

On Sunday 20 August, demand averaged 24.0 GW. Renewables supplied 40%.

24.0GW AVERAGEWind7.00 GW28%Hydro0.26 GW1%Biomass0.54 GW2%Solar2.58 GW10%Gas6.69 GW27%Coal0.11 GW0%Imports3.54 GW14%Nuclear4.13 GW17%24.0GW AVERAGE28%10%27%14%17%
Price
£91.32/MWh
Day average £91.32
Demand24.0GW
Generation 21.3Transfers 2.7
Fossil fuels27%
Renewables40%
Other33%
Carbon intensityLow
127g/kWh
0Day average 127300
Save as image
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 20 August 2023, wind supplied 28% of Great Britain’s electricity and gas 27%. Demand peaked at 29.4 GW at 13:20. Carbon intensity averaged 127 g/kWh and the price £91.32/MWh. Wind generation peaked at 10.4 GW at 00:05. Solar generation peaked at 7.9 GW at 12:30. Carbon intensity was lowest at 13:30 (72 g/kWh) and highest at 20:30 (204 g/kWh). The wholesale price ranged from £51.34/MWh at 14:30 to £116.61/MWh at 21:00. Wind made 33% of the electricity generated in Great Britain, compared with 33% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.5810.4%Wind 7.0028.2%Gas 6.6926.9%Hydro 0.261.1%Biomass 0.542.2%Nuclear 4.1316.6%Coal 0.110.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 24.0avgGeneration 21.3avgTransfers 2.7avg
The day in figurespeaks, averages, totals
Peak demand29.4GW · 13:20
Low 17.4 · 04:40Avg 24.00–30 GW
Made in Great Britain89%of demand
Generation 21.3Transfers 2.7 GW
Net imports64GWh
In
82 Out
19
Zero-carbon share66%of generation
Nuclear 19%Hydro 1%Wind 33%Solar 12%

Transfers · Sun 20 Aug

Interconnectors and storage

On Sunday 20 August 2023, Great Britain imported 82 GWh and exported 19 GWh through its interconnectors. The most came from France (35 GWh), and the most exports went to Netherlands (10 GWh).

All interconnectors

Sun 20 Aug
Imported
82GWh
Exported
19GWh
Net in
64GWh
Average net flow
2.66GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.10GWExporting

In 4.7 GWhOut 7.2 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.38GWImporting

In 34.5 GWhOut 1.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.21GWImporting

In 5.5 GWhOut 0.4 GWh

Netherlands

BritNed

Average0.23GWExporting

In 4.2 GWhOut 9.7 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.05GWGenerating

Generated 2.6 GWhPumped 1.3 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.