Electricity Live

Great Britain’s electricity on Friday 20 June 2025

On Friday 20 June, demand averaged 29.0 GW. Renewables supplied 36%.

29.0GW AVERAGEWind6.70 GW22%Hydro0.24 GW1%Biomass3.02 GW10%Solar3.96 GW13%Gas6.80 GW22%Imports5.21 GW17%Nuclear4.74 GW15%29.0GW AVERAGE22%10%13%22%17%15%
Price
£102.00/MWh
Day average £102.00
Demand29.0GW
Generation 25.5Transfers 3.6
Fossil fuels22%
Renewables36%
Other42%
Carbon intensityModerate
118g/kWh
0Day average 118300
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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 20 June 2025, gas supplied 22% of Great Britain’s electricity and wind 22%. Demand peaked at 35.5 GW at 12:25. Carbon intensity averaged 118 g/kWh and the price £102.00/MWh. Wind generation peaked at 8.7 GW at 01:25. Solar generation peaked at 11.2 GW at 13:30. Carbon intensity was lowest at 14:00 (79 g/kWh) and highest at 20:30 (167 g/kWh). The wholesale price ranged from £82.01/MWh at 16:00 to £124.50/MWh at 07:00. Gas made 27% 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 3.9612.9%Wind 6.7021.8%Gas 6.8022.2%Hydro 0.240.8%Biomass 3.029.8%Nuclear 4.7415.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.0avgGeneration 25.5avgTransfers 3.6avg
The day in figurespeaks, averages, totals
Peak demand35.5GW · 12:25
Low 21.3 · 05:05Avg 29.00–40 GW
Made in Great Britain88%of demand
Generation 25.5Transfers 3.6 GW
Net imports86GWh
In
122 Out
37
Zero-carbon share61%of generation
Nuclear 19%Hydro 1%Wind 26%Solar 16%

Transfers · Fri 20 Jun

Interconnectors and storage

On Friday 20 June 2025, Great Britain imported 122 GWh and exported 37 GWh through its interconnectors. The most came from France (56 GWh), and the most exports went to Ireland (17 GWh).

All interconnectors

Fri 20 Jun
Imported
122GWh
Exported
37GWh
Net in
86GWh
Average net flow
3.57GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.21GWImporting

In 10.5 GWhOut 5.4 GWh

Denmark

Viking Link

Average0.26GWImporting

In 11.4 GWhOut 5.3 GWh

France

IFA · IFA2 · ElecLink

Average2.33GWImporting

In 56.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.73GWExporting

In 0.0 GWhOut 17.4 GWh

Netherlands

BritNed

Average0.10GWImporting

In 11.0 GWhOut 8.6 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWGenerating

Generated 2.9 GWhPumped 2.7 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.