Electricity Live

Great Britain’s electricity on Tuesday 5 September 2023

On Tuesday 5 September, demand averaged 29.2 GW. Renewables supplied 26%.

29.2GW AVERAGEWind4.99 GW16%Hydro0.19 GW1%Biomass1.37 GW4%Solar2.99 GW10%Gas13.59 GW44%Coal0.35 GW1%Imports2.50 GW8%Nuclear5.22 GW17%29.2GW AVERAGE16%10%44%8%17%
Price
£80.74/MWh
Day average £80.74
Demand29.2GW
Generation 28.7Transfers 0.5
Fossil fuels44%
Renewables26%
Other29%
Carbon intensityModerate
194g/kWh
0Day average 194300
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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 Tuesday 5 September 2023, gas supplied 44% of Great Britain’s electricity and nuclear 17%. Demand peaked at 35.8 GW at 13:00. Carbon intensity averaged 194 g/kWh and the price £80.74/MWh. Wind generation peaked at 7.1 GW at 20:55. Solar generation peaked at 9.8 GW at 12:30. Carbon intensity was lowest at 13:00 (135 g/kWh) and highest at 06:00 (234 g/kWh). The wholesale price ranged from £58.13/MWh at 13:30 to £114.29/MWh at 19:30. Gas made 47% 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 2.999.6%Wind 4.9916.0%Gas 13.5943.5%Hydro 0.190.6%Biomass 1.374.4%Nuclear 5.2216.7%Coal 0.351.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.2avgGeneration 28.7avgTransfers 0.5avg
The day in figurespeaks, averages, totals
Peak demand35.8GW · 13:00
Low 20.5 · 04:15Avg 29.20–40 GW
Made in Great Britain98%of demand
Generation 28.7Transfers 0.5 GW
Net imports14GWh
In
59 Out
45
Zero-carbon share47%of generation
Nuclear 18%Hydro 1%Wind 17%Solar 10%

Transfers · Tue 5 Sept

Interconnectors and storage

On Tuesday 5 September 2023, Great Britain imported 59 GWh and exported 45 GWh through its interconnectors. The most came from Norway (33 GWh), and the most exports went to Netherlands (15 GWh).

All interconnectors

Tue 5 Sept
Imported
59GWh
Exported
45GWh
Net in
14GWh
Average net flow
0.56GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.46GWExporting

In 2.6 GWhOut 13.6 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.58GWImporting

In 18.5 GWhOut 4.5 GWh

Ireland

Moyle · East–West · Greenlink

Average0.47GWExporting

In 0.4 GWhOut 11.8 GWh

Netherlands

BritNed

Average0.47GWExporting

In 4.1 GWhOut 15.4 GWh

Norway

North Sea Link

Average1.39GWImporting

In 33.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.04GWPumping

Generated 1.2 GWhPumped 2.2 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.