Electricity Live

Great Britain’s electricity on Sunday 29 June 2025

On Sunday 29 June, demand averaged 26.0 GW. Renewables supplied 34%.

26.0GW AVERAGEWind5.48 GW21%Hydro0.22 GW1%Biomass1.74 GW7%Solar3.34 GW13%Gas5.38 GW20%Imports5.98 GW22%Nuclear4.51 GW17%26.0GW AVERAGE21%13%20%22%17%
Price
£62.12/MWh
Day average £62.12
Demand26.0GW
Generation 20.7Transfers 5.3
Fossil fuels20%
Renewables34%
Other46%
Carbon intensityLow
112g/kWh
0Day average 112300
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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 29 June 2025, wind supplied 21% of Great Britain’s electricity and gas 20%. Demand peaked at 32.4 GW at 17:50. Carbon intensity averaged 112 g/kWh and the price £62.12/MWh. Wind generation peaked at 11.3 GW at 00:00. Solar generation peaked at 10.2 GW at 13:30. Carbon intensity was lowest at 13:30 (70 g/kWh) and highest at 20:30 (192 g/kWh). The wholesale price ranged from £0.00/MWh at 00:00 to £100.26/MWh at 21:30. Wind made 27% 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 3.3412.5%Wind 5.4820.6%Gas 5.3820.2%Hydro 0.220.8%Biomass 1.746.5%Nuclear 4.5116.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.0avgGeneration 20.7avgTransfers 5.3avg
The day in figurespeaks, averages, totals
Peak demand32.4GW · 17:50
Low 19.7 · 05:50Avg 26.00–40 GW
Made in Great Britain79%of demand
Generation 20.7Transfers 5.3 GW
Net imports128GWh
In
142 Out
14
Zero-carbon share66%of generation
Nuclear 22%Hydro 1%Wind 27%Solar 16%

Transfers · Sun 29 Jun

Interconnectors and storage

On Sunday 29 June 2025, Great Britain imported 142 GWh and exported 14 GWh through its interconnectors. The most came from France (60 GWh), and the most exports went to Belgium (5 GWh).

All interconnectors

Sun 29 Jun
Imported
142GWh
Exported
14GWh
Net in
128GWh
Average net flow
5.33GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.23GWImporting

In 11.0 GWhOut 5.4 GWh

Denmark

Viking Link

Average1.16GWImporting

In 27.8 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.49GWImporting

In 59.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.15GWExporting

In 0.0 GWhOut 3.6 GWh

Netherlands

BritNed

Average0.21GWImporting

In 10.0 GWhOut 5.0 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWGenerating

Generated 1.7 GWhPumped 1.3 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.