Electricity Live

Great Britain’s electricity on Friday 9 May 2025

On Friday 9 May, demand averaged 28.1 GW. Renewables supplied 29%.

28.1GW AVERAGEWind3.74 GW13%Hydro0.12 GW0%Biomass3.01 GW10%Solar4.64 GW16%Gas8.73 GW29%Imports5.72 GW19%Nuclear3.69 GW12%28.1GW AVERAGE13%10%16%29%19%12%
Price
£93.35/MWh
Day average £93.35
Demand28.1GW
Generation 23.9Transfers 4.2
Fossil fuels29%
Renewables29%
Other42%
Carbon intensityHigh
152g/kWh
0Day average 152300
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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

Records set on this day

All records

Key moments

On Friday 9 May 2025, gas supplied 29% of Great Britain’s electricity and solar 16%. Demand peaked at 33.8 GW at 09:00. Carbon intensity averaged 152 g/kWh and the price £93.35/MWh. Wind generation peaked at 6.2 GW at 18:20. Solar generation peaked at 13.7 GW at 12:30. Carbon intensity was lowest at 13:30 (77 g/kWh) and highest at 05:00 (201 g/kWh). The wholesale price ranged from £66.61/MWh at 13:30 to £133.31/MWh at 06:30. Gas made 36% 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 4.6415.7%Wind 3.7412.6%Gas 8.7329.4%Hydro 0.120.4%Biomass 3.0110.2%Nuclear 3.6912.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.1avgGeneration 23.9avgTransfers 4.2avg
The day in figurespeaks, averages, totals
Peak demand33.8GW · 09:00
Low 21.1 · 05:05Avg 28.10–40 GW
Made in Great Britain85%of demand
Generation 23.9Transfers 4.2 GW
Net imports99GWh
In
136 Out
38
Zero-carbon share51%of generation
Nuclear 15%Hydro 1%Wind 16%Solar 19%

Transfers · Fri 9 May

Interconnectors and storage

On Friday 9 May 2025, Great Britain imported 136 GWh and exported 38 GWh through its interconnectors. The most came from France (84 GWh), and the most exports went to Ireland (22 GWh).

All interconnectors

Fri 9 May
Imported
136GWh
Exported
38GWh
Net in
99GWh
Average net flow
4.12GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.54GWImporting

In 13.3 GWhOut 0.2 GWh

Denmark

Viking Link

Average0.10GWImporting

In 9.4 GWhOut 6.9 GWh

France

IFA · IFA2 · ElecLink

Average3.49GWImporting

In 83.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.90GWExporting

In 0.0 GWhOut 21.6 GWh

Netherlands

BritNed

Average0.04GWImporting

In 9.7 GWhOut 8.8 GWh

Norway

North Sea Link

Average0.84GWImporting

In 20.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.04GWGenerating

Generated 0.9 GWhPumped 0.1 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.