Electricity Live

Great Britain’s electricity on Wednesday 6 September 2023

On Wednesday 6 September, demand averaged 29.3 GW. Renewables supplied 20%.

29.3GW AVERAGEWind3.37 GW11%Hydro0.21 GW1%Biomass1.37 GW4%Solar2.47 GW8%Gas15.39 GW50%Coal0.25 GW1%Imports2.55 GW8%Nuclear5.21 GW17%29.3GW AVERAGE11%8%50%8%17%
Price
£89.74/MWh
Day average £89.74
Demand29.3GW
Generation 28.3Transfers 1.0
Fossil fuels50%
Renewables20%
Other30%
Carbon intensityHigh
218g/kWh
0Day average 218300
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 Wednesday 6 September 2023, gas supplied 50% of Great Britain’s electricity and nuclear 17%. Demand peaked at 35.4 GW at 13:55. Carbon intensity averaged 218 g/kWh and the price £89.74/MWh. Wind generation peaked at 5.6 GW at 00:55. Solar generation peaked at 8.8 GW at 12:30. Carbon intensity was lowest at 12:00 (171 g/kWh) and highest at 20:30 (276 g/kWh). The wholesale price ranged from £66.86/MWh at 11:30 to £164.43/MWh at 18:30. Gas made 54% 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 2.478.0%Wind 3.3710.9%Gas 15.3949.9%Hydro 0.210.7%Biomass 1.374.5%Nuclear 5.2116.9%Coal 0.250.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.3avgGeneration 28.3avgTransfers 1.0avg
The day in figurespeaks, averages, totals
Peak demand35.4GW · 13:55
Low 21.1 · 04:45Avg 29.30–40 GW
Made in Great Britain97%of demand
Generation 28.3Transfers 1.0 GW
Net imports24GWh
In
59 Out
35
Zero-carbon share40%of generation
Nuclear 18%Hydro 1%Wind 12%Solar 9%

Transfers · Wed 6 Sept

Interconnectors and storage

On Wednesday 6 September 2023, Great Britain imported 59 GWh and exported 35 GWh through its interconnectors. The most came from Norway (29 GWh), and the most exports went to Netherlands (13 GWh).

All interconnectors

Wed 6 Sept
Imported
59GWh
Exported
35GWh
Net in
24GWh
Average net flow
1.01GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.17GWExporting

In 4.8 GWhOut 8.9 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.71GWImporting

In 20.1 GWhOut 3.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.43GWExporting

In 0.2 GWhOut 10.5 GWh

Netherlands

BritNed

Average0.30GWExporting

In 5.3 GWhOut 12.6 GWh

Norway

North Sea Link

Average1.20GWImporting

In 28.8 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.00GWIdle

Generated 1.8 GWhPumped 1.8 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.