Electricity Live

Great Britain’s electricity on Thursday 12 June 2025

On Thursday 12 June, demand averaged 29.3 GW. Renewables supplied 55%.

29.3GW AVERAGEWind14.22 GW45%Hydro0.16 GW1%Biomass2.10 GW7%Solar2.94 GW9%Gas5.05 GW16%Imports4.11 GW13%Nuclear3.08 GW10%29.3GW AVERAGE45%9%16%13%10%
Price
£78.91/MWh
Day average £78.91
Demand29.3GW
Generation 27.5Transfers 1.7
Fossil fuels16%
Renewables55%
Other29%
Carbon intensityLow
91g/kWh
0Day average 91300
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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 Thursday 12 June 2025, wind supplied 45% of Great Britain’s electricity and gas 16%. Demand peaked at 36.5 GW at 15:20. Carbon intensity averaged 91 g/kWh and the price £78.91/MWh. Wind generation peaked at 17.5 GW at 15:20. Solar generation peaked at 7.7 GW at 15:00. Carbon intensity was lowest at 15:00 (65 g/kWh) and highest at 20:00 (155 g/kWh). The wholesale price ranged from £36.88/MWh at 16:30 to £104.78/MWh at 19:30. Wind made 52% 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 2.949.3%Wind 14.2244.9%Gas 5.0515.9%Hydro 0.160.5%Biomass 2.106.6%Nuclear 3.089.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.3avgGeneration 27.5avgTransfers 1.7avg
The day in figurespeaks, averages, totals
Peak demand36.5GW · 15:20
Low 21.3 · 04:50Avg 29.30–40 GW
Made in Great Britain94%of demand
Generation 27.5Transfers 1.7 GW
Net imports48GWh
In
99 Out
51
Zero-carbon share74%of generation
Nuclear 11%Hydro 1%Wind 52%Solar 11%

Transfers · Thu 12 Jun

Interconnectors and storage

On Thursday 12 June 2025, Great Britain imported 99 GWh and exported 51 GWh through its interconnectors. The most came from France (51 GWh), and the most exports went to Ireland (25 GWh).

All interconnectors

Thu 12 Jun
Imported
99GWh
Exported
51GWh
Net in
48GWh
Average net flow
2.01GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.22GWImporting

In 10.7 GWhOut 5.3 GWh

Denmark

Viking Link

Average0.50GWImporting

In 17.7 GWhOut 5.7 GWh

France

IFA · IFA2 · ElecLink

Average2.14GWImporting

In 51.4 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.05GWExporting

In 0.0 GWhOut 25.2 GWh

Netherlands

BritNed

Average0.23GWImporting

In 9.8 GWhOut 4.2 GWh

Norway

North Sea Link

Average0.03GWExporting

In 9.2 GWhOut 10.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.28GWPumping

Generated 0.0 GWhPumped 6.8 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.