Electricity Live

Great Britain’s electricity on Friday 26 September 2025

On Friday 26 September, demand averaged 29.9 GW. Renewables supplied 34%.

29.9GW AVERAGEWind8.69 GW28%Hydro0.31 GW1%Biomass3.26 GW11%Solar1.56 GW5%Gas8.67 GW28%Imports5.69 GW19%Nuclear2.51 GW8%29.9GW AVERAGE28%11%28%19%8%
Price
£82.83/MWh
Day average £82.83
Demand29.9GW
Generation 25.0Transfers 4.9
Fossil fuels28%
Renewables34%
Other37%
Carbon intensityModerate
139g/kWh
0Day average 139300
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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 26 September 2025, wind supplied 28% of Great Britain’s electricity and gas 28%. Demand peaked at 36.3 GW at 11:50. Carbon intensity averaged 139 g/kWh and the price £82.83/MWh. Wind generation peaked at 10.3 GW at 13:35. Solar generation peaked at 7.1 GW at 11:30. Carbon intensity was lowest at 00:00 (88 g/kWh) and highest at 18:00 (194 g/kWh). The wholesale price ranged from £71.84/MWh at 14:00 to £106.03/MWh at 18:30. Wind made 35% of the electricity generated in Great Britain, compared with 35% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.565.1%Wind 8.6928.3%Gas 8.6728.2%Hydro 0.311.0%Biomass 3.2610.6%Nuclear 2.518.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.9avgGeneration 25.0avgTransfers 4.9avg
The day in figurespeaks, averages, totals
Peak demand36.3GW · 11:50
Low 22.6 · 05:05Avg 29.90–40 GW
Made in Great Britain84%of demand
Generation 25.0Transfers 4.9 GW
Net imports123GWh
In
135 Out
12
Zero-carbon share52%of generation
Nuclear 10%Hydro 1%Wind 35%Solar 6%

Transfers · Fri 26 Sept

Interconnectors and storage

On Friday 26 September 2025, Great Britain imported 135 GWh and exported 12 GWh through its interconnectors. The most came from France (69 GWh), and the most exports went to Netherlands (10 GWh).

All interconnectors

Fri 26 Sept
Imported
135GWh
Exported
12GWh
Net in
123GWh
Average net flow
5.11GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.92GWImporting

In 22.6 GWhOut 0.6 GWh

France

IFA · IFA2 · ElecLink

Average2.86GWImporting

In 68.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.32GWImporting

In 9.1 GWhOut 1.5 GWh

Netherlands

BritNed

Average0.38GWExporting

In 1.1 GWhOut 10.1 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.22GWPumping

Generated 1.8 GWhPumped 7.0 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.