Electricity Live

Great Britain’s electricity on Sunday 20 July 2025

On Sunday 20 July, demand averaged 24.9 GW. Renewables supplied 30%.

24.9GW AVERAGEWind5.23 GW20%Hydro0.25 GW1%Biomass1.19 GW5%Solar2.13 GW8%Gas5.99 GW23%Imports6.12 GW24%Nuclear4.69 GW18%24.9GW AVERAGE20%8%23%24%18%
Price
£92.11/MWh
Day average £92.11
Demand24.9GW
Generation 19.5Transfers 5.4
Fossil fuels23%
Renewables30%
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 20 July 2025, gas supplied 23% of Great Britain’s electricity and wind 20%. Demand peaked at 30.1 GW at 16:55. Carbon intensity averaged 118 g/kWh and the price £92.11/MWh. Wind generation peaked at 6.8 GW at 14:55. Solar generation peaked at 6.2 GW at 15:30. Carbon intensity was lowest at 13:30 (84 g/kWh) and highest at 19:30 (179 g/kWh). The wholesale price ranged from £72.16/MWh at 23:30 to £108.29/MWh at 20:00. Gas made 31% 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 2.138.3%Wind 5.2320.4%Gas 5.9923.4%Hydro 0.251.0%Biomass 1.194.7%Nuclear 4.6918.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 24.9avgGeneration 19.5avgTransfers 5.4avg
The day in figurespeaks, averages, totals
Peak demand30.1GW · 16:55
Low 18.6 · 04:40Avg 24.90–40 GW
Made in Great Britain78%of demand
Generation 19.5Transfers 5.4 GW
Net imports131GWh
In
145 Out
15
Zero-carbon share63%of generation
Nuclear 24%Hydro 1%Wind 27%Solar 11%

Transfers · Sun 20 Jul

Interconnectors and storage

On Sunday 20 July 2025, Great Britain imported 145 GWh and exported 15 GWh through its interconnectors. The most came from France (76 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Sun 20 Jul
Imported
145GWh
Exported
15GWh
Net in
131GWh
Average net flow
5.44GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.48GWImporting

In 12.0 GWhOut 0.5 GWh

Denmark

Viking Link

Average0.59GWImporting

In 14.5 GWhOut 0.3 GWh

France

IFA · IFA2 · ElecLink

Average3.18GWImporting

In 76.4 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.31GWExporting

In 0.1 GWhOut 7.5 GWh

Netherlands

BritNed

Average0.10GWImporting

In 8.8 GWhOut 6.5 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.00GWIdle

Generated 1.7 GWhPumped 1.6 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.