Electricity Live

Great Britain’s electricity on Wednesday 11 September 2024

On Wednesday 11 September, demand averaged 29.2 GW. Renewables supplied 53%.

29.2GW AVERAGEWind13.85 GW44%Hydro0.37 GW1%Biomass1.51 GW5%Solar2.52 GW8%Gas4.48 GW14%Imports4.10 GW13%Nuclear4.87 GW15%29.2GW AVERAGE44%8%14%13%15%
Price
£49.48/MWh
Day average £49.48
Demand29.2GW
Generation 27.6Transfers 1.6
Fossil fuels14%
Renewables53%
Other33%
Carbon intensityLow
68g/kWh
0Day average 68300
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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 11 September 2024, wind supplied 44% of Great Britain’s electricity and nuclear 15%. Demand peaked at 35.1 GW at 13:40. Carbon intensity averaged 68 g/kWh and the price £49.48/MWh. Wind generation peaked at 15.8 GW at 10:10. Solar generation peaked at 8.2 GW at 13:30. Carbon intensity was lowest at 13:30 (40 g/kWh) and highest at 20:00 (132 g/kWh). The wholesale price ranged from −£8.27/MWh at 05:00 to £103.26/MWh at 18:30. The price was below zero for 5 hours. Wind made 50% of the electricity generated in Great Britain, compared with 35% across 2024.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.528.0%Wind 13.8543.7%Gas 4.4814.1%Hydro 0.371.2%Biomass 1.514.8%Nuclear 4.8715.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.2avgGeneration 27.6avgTransfers 1.6avg
The day in figurespeaks, averages, totals
Peak demand35.1GW · 13:40
Low 20.8 · 04:40Avg 29.20–40 GW
Made in Great Britain94%of demand
Generation 27.6Transfers 1.6 GW
Net imports43GWh
In
93 Out
50
Zero-carbon share78%of generation
Nuclear 18%Hydro 1%Wind 50%Solar 9%

Transfers · Wed 11 Sept

Interconnectors and storage

On Wednesday 11 September 2024, Great Britain imported 93 GWh and exported 50 GWh through its interconnectors. The most came from France (41 GWh), and the most exports went to Ireland (19 GWh).

All interconnectors

Wed 11 Sept
Imported
93GWh
Exported
50GWh
Net in
43GWh
Average net flow
1.80GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.31GWImporting

In 12.0 GWhOut 4.7 GWh

Denmark

Viking Link

Average0.52GWExporting

In 1.0 GWhOut 13.4 GWh

France

IFA · IFA2 · ElecLink

Average1.69GWImporting

In 40.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.78GWExporting

In 0.0 GWhOut 18.8 GWh

Netherlands

BritNed

Average0.29GWExporting

In 6.2 GWhOut 13.3 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.19GWPumping

Generated 4.9 GWhPumped 9.4 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.