Electricity Live

Great Britain’s electricity on Friday 22 September 2023

On Friday 22 September, demand averaged 27.9 GW. Renewables supplied 32%.

27.9GW AVERAGEWind6.47 GW23%Hydro0.68 GW2%Biomass1.33 GW5%Solar1.93 GW7%Gas7.50 GW26%Coal0.45 GW2%Imports4.90 GW17%Nuclear5.18 GW18%27.9GW AVERAGE23%26%17%18%
Price
£94.26/MWh
Day average £94.26
Demand27.9GW
Generation 23.5Transfers 4.4
Fossil fuels26%
Renewables32%
Other40%
Carbon intensityModerate
134g/kWh
0Day average 134300
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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 Friday 22 September 2023, gas supplied 26% of Great Britain’s electricity and wind 23%. Demand peaked at 34.1 GW at 10:45. Carbon intensity averaged 134 g/kWh and the price £94.26/MWh. Wind generation peaked at 9.8 GW at 20:15. Solar generation peaked at 6.5 GW at 12:00. Carbon intensity was lowest at 13:00 (101 g/kWh) and highest at 07:00 (186 g/kWh). The wholesale price ranged from £67.24/MWh at 04:30 to £132.45/MWh at 08:00. Gas made 32% 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 1.936.8%Wind 6.4722.8%Gas 7.5026.4%Hydro 0.682.4%Biomass 1.334.7%Nuclear 5.1818.2%Coal 0.451.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.9avgGeneration 23.5avgTransfers 4.4avg
The day in figurespeaks, averages, totals
Peak demand34.1GW · 10:45
Low 20.1 · 04:20Avg 27.90–40 GW
Made in Great Britain84%of demand
Generation 23.5Transfers 4.4 GW
Net imports100GWh
In
112 Out
12
Zero-carbon share61%of generation
Nuclear 22%Hydro 3%Wind 27%Solar 8%

Transfers · Fri 22 Sept

Interconnectors and storage

On Friday 22 September 2023, Great Britain imported 112 GWh and exported 12 GWh through its interconnectors. The most came from France (66 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Fri 22 Sept
Imported
112GWh
Exported
12GWh
Net in
100GWh
Average net flow
4.17GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.31GWImporting

In 11.4 GWhOut 3.9 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.73GWImporting

In 65.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.25GWExporting

In 1.3 GWhOut 7.3 GWh

Netherlands

BritNed

Average0.02GWExporting

In 0.0 GWhOut 0.6 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.24GWGenerating

Generated 5.8 GWhPumped 0.1 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.