Electricity Live

Great Britain’s electricity on Monday 8 September 2025

On Monday 8 September, demand averaged 27.3 GW. Renewables supplied 36%.

27.3GW AVERAGEWind6.88 GW24%Hydro0.34 GW1%Biomass2.31 GW8%Solar3.37 GW12%Gas7.35 GW25%Imports5.65 GW19%Nuclear3.25 GW11%27.3GW AVERAGE24%8%12%25%19%11%
Price
£101.60/MWh
Day average £101.60
Demand27.3GW
Generation 23.5Transfers 3.8
Fossil fuels25%
Renewables36%
Other38%
Carbon intensityModerate
127g/kWh
0Day average 127300
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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 Monday 8 September 2025, gas supplied 25% of Great Britain’s electricity and wind 24%. Demand peaked at 33.8 GW at 12:30. Carbon intensity averaged 127 g/kWh and the price £101.60/MWh. Wind generation peaked at 11.8 GW at 00:10. Solar generation peaked at 10.7 GW at 12:30. Carbon intensity was lowest at 00:00 (66 g/kWh) and highest at 19:00 (191 g/kWh). The wholesale price ranged from £53.28/MWh at 00:00 to £249.50/MWh at 18:30. Gas made 31% of the electricity generated in Great Britain, compared with 32% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 3.3711.6%Wind 6.8823.6%Gas 7.3525.2%Hydro 0.341.2%Biomass 2.317.9%Nuclear 3.2511.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.3avgGeneration 23.5avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand33.8GW · 12:30
Low 19.3 · 05:05Avg 27.30–40 GW
Made in Great Britain86%of demand
Generation 23.5Transfers 3.8 GW
Net imports90GWh
In
132 Out
42
Zero-carbon share59%of generation
Nuclear 14%Hydro 1%Wind 29%Solar 14%

Transfers · Mon 8 Sept

Interconnectors and storage

On Monday 8 September 2025, Great Britain imported 132 GWh and exported 42 GWh through its interconnectors. The most came from France (73 GWh), and the most exports went to Ireland (22 GWh).

All interconnectors

Mon 8 Sept
Imported
132GWh
Exported
42GWh
Net in
90GWh
Average net flow
3.76GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.46GWImporting

In 12.0 GWhOut 1.0 GWh

Denmark

Viking Link

Average0.06GWExporting

In 7.3 GWhOut 8.6 GWh

France

IFA · IFA2 · ElecLink

Average3.03GWImporting

In 72.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.91GWExporting

In 0.0 GWhOut 21.8 GWh

Netherlands

BritNed

Average0.16GWExporting

In 6.5 GWhOut 10.4 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWGenerating

Generated 3.7 GWhPumped 1.6 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.