Electricity Live

Daily record

Great Britain’s electricity on Friday 11 September 2026

On Friday 11 September 2026, gas supplied 26% of Great Britain’s electricity and wind 26%. Demand peaked at 34.1 GW at 10:55. Carbon intensity averaged 129 g/kWh and the price £163.22/MWh.

Key moments

  • Wind generation peaked at 16.5 GW at 00:00.
  • Solar generation peaked at 7.6 GW at 10:30.
  • Carbon intensity was lowest at 02:00 (72 g/kWh) and highest at 19:00 (199 g/kWh).
  • The wholesale price ranged from £0.00/MWh at 23:00 to £207.55/MWh at 18:00.
  • Gas made 31% of the electricity generated in Great Britain, compared with 28% across 2026 so far.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.568.5%Wind 7.8326.0%Gas 7.9026.2%Hydro 0.451.5%Biomass 3.1310.4%Nuclear 3.6412.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.5avgGeneration 25.5avgTransfers 2.9avg
The day in figurespeaks, averages, totals
Peak demand34.1GW · 10:55
Low 21.4 · 05:05Avg 28.50–40 GW
Made in Great Britain90%of demand
Generation 25.5Transfers 2.9 GW
Net imports63GWh
In
103 Out
40
Zero-carbon share57%of generation
Nuclear 14%Hydro 2%Wind 31%Solar 10%

Transfers · Fri 11 Sept

Interconnectors and storage

On Friday 11 September 2026, Great Britain imported 103 GWh and exported 40 GWh through its interconnectors. The most came from France (43 GWh), and the most exports went to Ireland (29 GWh).

All interconnectors

Fri 11 Sept
Imported
103GWh
Exported
40GWh
Net in
63GWh
Average net flow
2.63GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.21GWImporting

In 9.8 GWhOut 4.9 GWh

Denmark

Viking Link

Average0.61GWImporting

In 16.5 GWhOut 1.9 GWh

France

IFA · IFA2 · ElecLink

Average1.63GWImporting

In 43.1 GWhOut 4.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.20GWExporting

In 0.2 GWhOut 29.0 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.39GWImporting

In 33.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.32GWGenerating

Generated 8.6 GWhPumped 0.9 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.