Electricity Live

Great Britain’s electricity on Sunday 31 May 2026

On Sunday 31 May, demand averaged 24.7 GW. Renewables supplied 37%.

24.7GW AVERAGEWind5.32 GW20%Hydro0.27 GW1%Biomass2.07 GW8%Solar4.00 GW15%Gas6.43 GW25%Imports5.78 GW22%Nuclear2.26 GW9%24.7GW AVERAGE20%8%15%25%22%9%
Price
£103.23/MWh
Day average £103.23
Demand24.7GW
Generation 20.4Transfers 4.3
Fossil fuels25%
Renewables37%
Other39%
Carbon intensityModerate
133g/kWh
0Day average 133300
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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 Sunday 31 May 2026, gas supplied 25% of Great Britain’s electricity and wind 20%. Demand peaked at 30.6 GW at 13:00. Carbon intensity averaged 133 g/kWh and the price £103.23/MWh. Wind generation peaked at 6.8 GW at 14:30. Solar generation peaked at 11.3 GW at 13:00. Carbon intensity was lowest at 12:30 (77 g/kWh) and highest at 20:30 (193 g/kWh). The wholesale price ranged from £79.61/MWh at 15:00 to £133.54/MWh at 21:00. Gas made 32% 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 4.0015.3%Wind 5.3220.4%Gas 6.4324.6%Hydro 0.271.0%Biomass 2.077.9%Nuclear 2.268.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 24.7avgGeneration 20.4avgTransfers 4.3avg
The day in figurespeaks, averages, totals
Peak demand30.6GW · 13:00
Low 18.1 · 05:00Avg 24.70–40 GW
Made in Great Britain83%of demand
Generation 20.4Transfers 4.3 GW
Net imports106GWh
In
137 Out
31
Zero-carbon share58%of generation
Nuclear 11%Hydro 1%Wind 26%Solar 20%

Transfers · Sun 31 May

Interconnectors and storage

On Sunday 31 May 2026, Great Britain imported 137 GWh and exported 31 GWh through its interconnectors. The most came from France (83 GWh), and the most exports went to Ireland (19 GWh).

All interconnectors

Sun 31 May
Imported
137GWh
Exported
31GWh
Net in
106GWh
Average net flow
4.40GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.48GWImporting

In 12.5 GWhOut 1.0 GWh

Denmark

Viking Link

Average0.29GWExporting

In 0.0 GWhOut 7.0 GWh

France

IFA · IFA2 · ElecLink

Average3.46GWImporting

In 83.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.79GWExporting

In 0.0 GWhOut 19.0 GWh

Netherlands

BritNed

Average0.33GWImporting

In 11.9 GWhOut 3.9 GWh

Norway

North Sea Link

Average1.21GWImporting

In 29.1 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWPumping

Generated 2.1 GWhPumped 4.1 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.