Electricity Live

Great Britain’s electricity on Wednesday 25 September 2024

On Wednesday 25 September, demand averaged 29.4 GW. Renewables supplied 21%.

29.4GW AVERAGEWind5.14 GW17%Hydro0.21 GW1%Biomass2.78 GW9%Solar1.07 GW4%Gas12.01 GW39%Coal0.00 GW0%Imports4.73 GW15%Nuclear4.64 GW15%29.4GW AVERAGE17%9%39%15%15%
Price
£79.19/MWh
Day average £79.19
Demand29.4GW
Generation 25.8Transfers 3.6
Fossil fuels39%
Renewables21%
Other40%
Carbon intensityHigh
171g/kWh
0Day average 171300
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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 Wednesday 25 September 2024, gas supplied 39% of Great Britain’s electricity and wind 17%. Demand peaked at 35.3 GW at 19:05. Carbon intensity averaged 171 g/kWh and the price £79.19/MWh. Wind generation peaked at 11.1 GW at 22:00. Solar generation peaked at 4.1 GW at 13:30. Carbon intensity was lowest at 23:30 (73 g/kWh) and highest at 07:30 (232 g/kWh). The wholesale price ranged from £68.25/MWh at 03:00 to £99.22/MWh at 17:00. Gas made 46% of the electricity generated in Great Britain, compared with 31% across 2024.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.073.5%Wind 5.1416.8%Gas 12.0139.3%Hydro 0.210.7%Biomass 2.789.1%Nuclear 4.6415.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.4avgGeneration 25.8avgTransfers 3.6avg
The day in figurespeaks, averages, totals
Peak demand35.3GW · 19:05
Low 20.3 · 04:10Avg 29.40–40 GW
Made in Great Britain88%of demand
Generation 25.8Transfers 3.6 GW
Net imports81GWh
In
108 Out
27
Zero-carbon share43%of generation
Nuclear 18%Hydro 1%Wind 20%Solar 4%

Transfers · Wed 25 Sept

Interconnectors and storage

On Wednesday 25 September 2024, Great Britain imported 108 GWh and exported 27 GWh through its interconnectors. The most came from France (35 GWh), and the most exports went to Ireland (21 GWh).

All interconnectors

Wed 25 Sept
Imported
108GWh
Exported
27GWh
Net in
81GWh
Average net flow
3.39GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.98GWImporting

In 26.1 GWhOut 2.5 GWh

France

IFA · IFA2 · ElecLink

Average1.46GWImporting

In 35.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.87GWExporting

In 0.0 GWhOut 20.8 GWh

Netherlands

BritNed

Average0.41GWImporting

In 13.3 GWhOut 3.4 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.17GWGenerating

Generated 5.5 GWhPumped 1.4 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.