Electricity Live

Great Britain’s electricity on Wednesday 4 June 2025

On Wednesday 4 June, demand averaged 28.4 GW. Renewables supplied 53%.

28.4GW AVERAGEWind12.98 GW41%Hydro0.23 GW1%Biomass1.02 GW3%Solar3.73 GW12%Gas5.55 GW18%Imports3.88 GW12%Nuclear4.32 GW14%28.4GW AVERAGE41%12%18%12%14%
Price
£43.69/MWh
Day average £43.69
Demand28.4GW
Generation 27.8Transfers 0.5
Fossil fuels18%
Renewables53%
Other29%
Carbon intensityLow
83g/kWh
0Day average 83300
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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 Wednesday 4 June 2025, wind supplied 41% of Great Britain’s electricity and gas 18%. Demand peaked at 35.3 GW at 12:35. Carbon intensity averaged 83 g/kWh and the price £43.69/MWh. Wind generation peaked at 15.1 GW at 14:45. Solar generation peaked at 10.4 GW at 12:30. Carbon intensity was lowest at 13:00 (47 g/kWh) and highest at 19:00 (127 g/kWh). The wholesale price ranged from £0.19/MWh at 13:30 to £92.43/MWh at 19:00. Wind made 47% 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 3.7311.8%Wind 12.9840.9%Gas 5.5517.5%Hydro 0.230.7%Biomass 1.023.2%Nuclear 4.3213.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.4avgGeneration 27.8avgTransfers 0.5avg
The day in figurespeaks, averages, totals
Peak demand35.3GW · 12:35
Low 21.0 · 04:35Avg 28.40–40 GW
Made in Great Britain98%of demand
Generation 27.8Transfers 0.5 GW
Net imports12GWh
In
91 Out
79
Zero-carbon share76%of generation
Nuclear 16%Hydro 1%Wind 47%Solar 13%

Transfers · Wed 4 Jun

Interconnectors and storage

On Wednesday 4 June 2025, Great Britain imported 91 GWh and exported 79 GWh through its interconnectors. The most came from France (79 GWh), and the most exports went to Ireland (28 GWh).

All interconnectors

Wed 4 Jun
Imported
91GWh
Exported
79GWh
Net in
12GWh
Average net flow
0.50GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.72GWExporting

In 0.1 GWhOut 17.4 GWh

Denmark

Viking Link

Average0.32GWExporting

In 2.8 GWhOut 10.4 GWh

France

IFA · IFA2 · ElecLink

Average3.31GWImporting

In 79.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.18GWExporting

In 0.0 GWhOut 28.4 GWh

Netherlands

BritNed

Average0.80GWExporting

In 0.1 GWhOut 19.4 GWh

Norway

North Sea Link

Average0.22GWImporting

In 9.0 GWhOut 3.6 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.04GWGenerating

Generated 2.0 GWhPumped 1.1 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.