Electricity Live

Great Britain’s electricity on Tuesday 6 May 2025

On Tuesday 6 May, demand averaged 29.1 GW. Renewables supplied 25%.

29.1GW AVERAGEWind3.77 GW12%Hydro0.19 GW1%Biomass2.87 GW9%Solar3.59 GW12%Gas9.49 GW31%Imports6.91 GW23%Nuclear3.60 GW12%29.1GW AVERAGE12%9%12%31%23%12%
Price
£80.36/MWh
Day average £80.36
Demand29.1GW
Generation 23.5Transfers 5.6
Fossil fuels31%
Renewables25%
Other44%
Carbon intensityModerate
159g/kWh
0Day average 159300
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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 Tuesday 6 May 2025, gas supplied 31% of Great Britain’s electricity and wind 12%. Demand peaked at 35.7 GW at 11:30. Carbon intensity averaged 159 g/kWh and the price £80.36/MWh. Wind generation peaked at 4.9 GW at 00:30. Solar generation peaked at 10.8 GW at 13:00. Carbon intensity was lowest at 14:00 (104 g/kWh) and highest at 20:30 (215 g/kWh). The wholesale price ranged from £58.99/MWh at 15:30 to £116.94/MWh at 19:30. Gas made 40% 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 3.5911.8%Wind 3.7712.4%Gas 9.4931.2%Hydro 0.190.6%Biomass 2.879.4%Nuclear 3.6011.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.1avgGeneration 23.5avgTransfers 5.6avg
The day in figurespeaks, averages, totals
Peak demand35.7GW · 11:30
Low 21.0 · 04:05Avg 29.10–40 GW
Made in Great Britain81%of demand
Generation 23.5Transfers 5.6 GW
Net imports134GWh
In
165 Out
31
Zero-carbon share47%of generation
Nuclear 15%Hydro 1%Wind 16%Solar 15%

Transfers · Tue 6 May

Interconnectors and storage

On Tuesday 6 May 2025, Great Britain imported 165 GWh and exported 31 GWh through its interconnectors. The most came from France (84 GWh), and the most exports went to Ireland (23 GWh).

All interconnectors

Tue 6 May
Imported
165GWh
Exported
31GWh
Net in
134GWh
Average net flow
5.58GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.79GWImporting

In 19.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.79GWImporting

In 19.4 GWhOut 0.3 GWh

France

IFA · IFA2 · ElecLink

Average3.50GWImporting

In 83.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.95GWExporting

In 0.0 GWhOut 22.9 GWh

Netherlands

BritNed

Average0.13GWImporting

In 11.0 GWhOut 7.9 GWh

Norway

North Sea Link

Average1.32GWImporting

In 31.7 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.00GWIdle

Generated 1.0 GWhPumped 1.0 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.