Electricity Live

Great Britain’s electricity on Saturday 16 September 2023

On Saturday 16 September, demand averaged 25.2 GW. Renewables supplied 27%.

25.2GW AVERAGEWind5.58 GW21%Hydro0.22 GW1%Biomass1.34 GW5%Solar1.42 GW5%Gas7.84 GW29%Coal0.26 GW1%Imports4.83 GW18%Nuclear5.19 GW19%25.2GW AVERAGE21%29%18%19%
Price
£87.00/MWh
Day average £87.00
Demand25.2GW
Generation 21.8Transfers 3.3
Fossil fuels29%
Renewables27%
Other43%
Carbon intensityModerate
143g/kWh
0Day average 143300
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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 Saturday 16 September 2023, gas supplied 29% of Great Britain’s electricity and wind 21%. Demand peaked at 29.8 GW at 12:15. Carbon intensity averaged 143 g/kWh and the price £87.00/MWh. Wind generation peaked at 7.6 GW at 19:55. Solar generation peaked at 5.2 GW at 12:00. Carbon intensity was lowest at 03:00 (116 g/kWh) and highest at 20:30 (183 g/kWh). The wholesale price ranged from £61.33/MWh at 04:30 to £120.33/MWh at 18:00. Gas made 36% 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 1.425.3%Wind 5.5820.9%Gas 7.8429.4%Hydro 0.220.8%Biomass 1.345.0%Nuclear 5.1919.5%Coal 0.261.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.2avgGeneration 21.8avgTransfers 3.3avg
The day in figurespeaks, averages, totals
Peak demand29.8GW · 12:15
Low 18.7 · 05:00Avg 25.20–30 GW
Made in Great Britain87%of demand
Generation 21.8Transfers 3.3 GW
Net imports80GWh
In
113 Out
33
Zero-carbon share57%of generation
Nuclear 24%Hydro 1%Wind 26%Solar 7%

Transfers · Sat 16 Sept

Interconnectors and storage

On Saturday 16 September 2023, Great Britain imported 113 GWh and exported 33 GWh through its interconnectors. The most came from France (65 GWh), and the most exports went to Netherlands (14 GWh).

All interconnectors

Sat 16 Sept
Imported
113GWh
Exported
33GWh
Net in
80GWh
Average net flow
3.32GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.02GWImporting

In 7.7 GWhOut 7.3 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.69GWImporting

In 64.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.47GWExporting

In 0.3 GWhOut 11.5 GWh

Netherlands

BritNed

Average0.32GWExporting

In 6.6 GWhOut 14.2 GWh

Norway

North Sea Link

Average1.39GWImporting

In 33.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.00GWIdle

Generated 3.3 GWhPumped 3.2 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.