Electricity Live

Great Britain’s electricity on Friday 23 May 2025

On Friday 23 May, demand averaged 27.7 GW. Renewables supplied 33%.

27.7GW AVERAGEWind5.17 GW18%Hydro0.18 GW1%Biomass2.85 GW10%Solar4.24 GW15%Gas6.63 GW23%Imports5.12 GW18%Nuclear4.88 GW17%27.7GW AVERAGE18%10%15%23%18%17%
Price
£76.32/MWh
Day average £76.32
Demand27.7GW
Generation 23.9Transfers 3.7
Fossil fuels23%
Renewables33%
Other44%
Carbon intensityModerate
120g/kWh
0Day average 120300
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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 23 May 2025, gas supplied 23% of Great Britain’s electricity and wind 18%. Demand peaked at 33.3 GW at 11:55. Carbon intensity averaged 120 g/kWh and the price £76.32/MWh. Wind generation peaked at 10.1 GW at 23:45. Solar generation peaked at 11.6 GW at 11:30. Carbon intensity was lowest at 23:30 (75 g/kWh) and highest at 06:30 (149 g/kWh). The wholesale price ranged from £63.72/MWh at 15:00 to £97.58/MWh at 08:00. Gas made 28% 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 4.2414.6%Wind 5.1717.8%Gas 6.6322.8%Hydro 0.180.6%Biomass 2.859.8%Nuclear 4.8816.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.7avgGeneration 23.9avgTransfers 3.7avg
The day in figurespeaks, averages, totals
Peak demand33.3GW · 11:55
Low 21.1 · 05:05Avg 27.70–40 GW
Made in Great Britain87%of demand
Generation 23.9Transfers 3.7 GW
Net imports88GWh
In
121 Out
33
Zero-carbon share60%of generation
Nuclear 20%Hydro 1%Wind 22%Solar 18%

Transfers · Fri 23 May

Interconnectors and storage

On Friday 23 May 2025, Great Britain imported 121 GWh and exported 33 GWh through its interconnectors. The most came from France (56 GWh), and the most exports went to Ireland (24 GWh).

All interconnectors

Fri 23 May
Imported
121GWh
Exported
33GWh
Net in
88GWh
Average net flow
3.67GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.74GWImporting

In 18.9 GWhOut 1.2 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.34GWImporting

In 56.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.97GWExporting

In 0.9 GWhOut 24.2 GWh

Netherlands

BritNed

Average0.16GWImporting

In 11.3 GWhOut 7.4 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.07GWGenerating

Generated 2.1 GWhPumped 0.4 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.