Electricity Live

Great Britain’s electricity on Sunday 27 July 2025

On Sunday 27 July, demand averaged 24.0 GW. Renewables supplied 29%.

24.0GW AVERAGEWind5.23 GW20%Hydro0.18 GW1%Biomass1.11 GW4%Solar2.08 GW8%Gas6.03 GW23%Imports6.54 GW25%Nuclear4.50 GW18%24.0GW AVERAGE20%8%23%25%18%
Price
£83.30/MWh
Day average £83.30
Demand24.0GW
Generation 19.1Transfers 4.9
Fossil fuels23%
Renewables29%
Other47%
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 Sunday 27 July 2025, gas supplied 23% of Great Britain’s electricity and wind 20%. Demand peaked at 29.4 GW at 17:55. Carbon intensity averaged 118 g/kWh and the price £83.30/MWh. Wind generation peaked at 6.2 GW at 13:55. Solar generation peaked at 5.9 GW at 12:00. Carbon intensity was lowest at 13:30 (88 g/kWh) and highest at 20:00 (164 g/kWh). The wholesale price ranged from £71.00/MWh at 23:30 to £93.93/MWh at 11:30. Gas made 32% 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 2.088.1%Wind 5.2320.4%Gas 6.0323.5%Hydro 0.180.7%Biomass 1.114.3%Nuclear 4.5017.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 24.0avgGeneration 19.1avgTransfers 4.9avg
The day in figurespeaks, averages, totals
Peak demand29.4GW · 17:55
Low 17.9 · 05:50Avg 24.00–30 GW
Made in Great Britain80%of demand
Generation 19.1Transfers 4.9 GW
Net imports123GWh
In
157 Out
34
Zero-carbon share63%of generation
Nuclear 24%Hydro 1%Wind 27%Solar 11%

Transfers · Sun 27 Jul

Interconnectors and storage

On Sunday 27 July 2025, Great Britain imported 157 GWh and exported 34 GWh through its interconnectors. The most came from France (95 GWh), and the most exports went to Ireland (16 GWh).

All interconnectors

Sun 27 Jul
Imported
157GWh
Exported
34GWh
Net in
123GWh
Average net flow
5.11GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.42GWImporting

In 10.5 GWhOut 0.4 GWh

Denmark

Viking Link

Average0.13GWImporting

In 8.9 GWhOut 5.8 GWh

France

IFA · IFA2 · ElecLink

Average3.98GWImporting

In 95.4 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.66GWExporting

In 0.0 GWhOut 15.9 GWh

Netherlands

BritNed

Average0.10GWExporting

In 9.4 GWhOut 11.8 GWh

Norway

North Sea Link

Average1.34GWImporting

In 32.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.26GWPumping

Generated 0.4 GWhPumped 6.7 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.