Electricity Live

Great Britain’s electricity on Sunday 15 June 2025

On Sunday 15 June, demand averaged 24.9 GW. Renewables supplied 43%.

24.9GW AVERAGEWind7.52 GW28%Hydro0.20 GW1%Biomass2.00 GW8%Solar3.71 GW14%Gas4.01 GW15%Imports5.01 GW19%Nuclear4.11 GW15%24.9GW AVERAGE28%8%14%15%19%15%
Price
£73.75/MWh
Day average £73.75
Demand24.9GW
Generation 21.5Transfers 3.4
Fossil fuels15%
Renewables43%
Other42%
Carbon intensityLow
89g/kWh
0Day average 89300
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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 15 June 2025, wind supplied 28% of Great Britain’s electricity and nuclear 15%. Demand peaked at 30.0 GW at 11:40. Carbon intensity averaged 89 g/kWh and the price £73.75/MWh. Wind generation peaked at 9.4 GW at 16:55. Solar generation peaked at 10.3 GW at 11:00. Carbon intensity was lowest at 11:00 (60 g/kWh) and highest at 20:00 (141 g/kWh). The wholesale price ranged from £23.82/MWh at 13:00 to £102.99/MWh at 19:30. Wind made 35% of the electricity generated in Great Britain, compared with 35% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 3.7114.0%Wind 7.5228.3%Gas 4.0115.1%Hydro 0.200.7%Biomass 2.007.5%Nuclear 4.1115.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 24.9avgGeneration 21.5avgTransfers 3.4avg
The day in figurespeaks, averages, totals
Peak demand30.0GW · 11:40
Low 17.9 · 04:45Avg 24.90–30 GW
Made in Great Britain86%of demand
Generation 21.5Transfers 3.4 GW
Net imports83GWh
In
119 Out
36
Zero-carbon share72%of generation
Nuclear 19%Hydro 1%Wind 35%Solar 17%

Transfers · Sun 15 Jun

Interconnectors and storage

On Sunday 15 June 2025, Great Britain imported 119 GWh and exported 36 GWh through its interconnectors. The most came from France (56 GWh), and the most exports went to Ireland (26 GWh).

All interconnectors

Sun 15 Jun
Imported
119GWh
Exported
36GWh
Net in
83GWh
Average net flow
3.45GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.38GWImporting

In 11.7 GWhOut 2.7 GWh

Denmark

Viking Link

Average0.51GWImporting

In 13.9 GWhOut 1.7 GWh

France

IFA · IFA2 · ElecLink

Average2.35GWImporting

In 56.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.08GWExporting

In 0.0 GWhOut 26.0 GWh

Netherlands

BritNed

Average0.22GWImporting

In 10.2 GWhOut 5.0 GWh

Norway

North Sea Link

Average1.08GWImporting

In 26.4 GWhOut 0.4 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWPumping

Generated 1.6 GWhPumped 3.5 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.