Electricity Live

Great Britain’s electricity on Sunday 3 September 2023

On Sunday 3 September, demand averaged 24.3 GW. Renewables supplied 31%.

24.3GW AVERAGEWind4.91 GW19%Hydro0.22 GW1%Biomass1.29 GW5%Solar2.81 GW11%Gas6.09 GW24%Coal0.25 GW1%Imports4.67 GW18%Nuclear5.22 GW21%24.3GW AVERAGE19%11%24%18%21%
Price
£75.21/MWh
Day average £75.21
Demand24.3GW
Generation 20.8Transfers 3.6
Fossil fuels24%
Renewables31%
Other44%
Carbon intensityModerate
126g/kWh
0Day average 126300
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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 3 September 2023, gas supplied 24% of Great Britain’s electricity and nuclear 21%. Demand peaked at 29.6 GW at 17:55. Carbon intensity averaged 126 g/kWh and the price £75.21/MWh. Wind generation peaked at 6.0 GW at 14:15. Solar generation peaked at 9.3 GW at 13:00. Carbon intensity was lowest at 12:00 (78 g/kWh) and highest at 20:00 (194 g/kWh). The wholesale price ranged from £39.69/MWh at 14:30 to £110.70/MWh at 19:30. Gas made 29% of the electricity generated in Great Britain, compared with 36% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.8111.0%Wind 4.9119.3%Gas 6.0923.9%Hydro 0.220.8%Biomass 1.295.1%Nuclear 5.2220.5%Coal 0.251.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 24.3avgGeneration 20.8avgTransfers 3.6avg
The day in figurespeaks, averages, totals
Peak demand29.6GW · 17:55
Low 17.7 · 04:50Avg 24.30–30 GW
Made in Great Britain85%of demand
Generation 20.8Transfers 3.6 GW
Net imports87GWh
In
111 Out
24
Zero-carbon share63%of generation
Nuclear 25%Hydro 1%Wind 24%Solar 14%

Transfers · Sun 3 Sept

Interconnectors and storage

On Sunday 3 September 2023, Great Britain imported 111 GWh and exported 24 GWh through its interconnectors. The most came from France (54 GWh), and the most exports went to Ireland (15 GWh).

All interconnectors

Sun 3 Sept
Imported
111GWh
Exported
24GWh
Net in
87GWh
Average net flow
3.62GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.67GWImporting

In 16.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.24GWImporting

In 53.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.62GWExporting

In 0.0 GWhOut 14.9 GWh

Netherlands

BritNed

Average0.07GWExporting

In 7.4 GWhOut 9.1 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.06GWPumping

Generated 1.3 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.