Electricity Live

Great Britain’s electricity on Friday 25 July 2025

On Friday 25 July, demand averaged 27.1 GW. Renewables supplied 29%.

27.1GW AVERAGEWind4.21 GW14%Hydro0.20 GW1%Biomass2.15 GW7%Solar3.93 GW13%Gas8.49 GW29%Imports5.56 GW19%Nuclear4.70 GW16%27.1GW AVERAGE14%7%13%29%19%16%
Price
£83.20/MWh
Day average £83.20
Demand27.1GW
Generation 23.7Transfers 3.4
Fossil fuels29%
Renewables29%
Other42%
Carbon intensityModerate
140g/kWh
0Day average 140300
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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 Friday 25 July 2025, gas supplied 29% of Great Britain’s electricity and nuclear 16%. Demand peaked at 32.6 GW at 12:40. Carbon intensity averaged 140 g/kWh and the price £83.20/MWh. Wind generation peaked at 5.8 GW at 16:20. Solar generation peaked at 10.9 GW at 11:30. Carbon intensity was lowest at 12:00 (80 g/kWh) and highest at 20:30 (186 g/kWh). The wholesale price ranged from £66.61/MWh at 10:00 to £106.64/MWh at 20:00. Gas made 36% 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 3.9313.5%Wind 4.2114.4%Gas 8.4929.0%Hydro 0.200.7%Biomass 2.157.4%Nuclear 4.7016.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.1avgGeneration 23.7avgTransfers 3.4avg
The day in figurespeaks, averages, totals
Peak demand32.6GW · 12:40
Low 20.2 · 04:40Avg 27.10–40 GW
Made in Great Britain87%of demand
Generation 23.7Transfers 3.4 GW
Net imports82GWh
In
132 Out
50
Zero-carbon share55%of generation
Nuclear 20%Hydro 1%Wind 18%Solar 17%

Transfers · Fri 25 Jul

Interconnectors and storage

On Friday 25 July 2025, Great Britain imported 132 GWh and exported 50 GWh through its interconnectors. The most came from France (85 GWh), and the most exports went to Ireland (26 GWh).

All interconnectors

Fri 25 Jul
Imported
132GWh
Exported
50GWh
Net in
82GWh
Average net flow
3.42GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.05GWImporting

In 4.3 GWhOut 3.1 GWh

Denmark

Viking Link

Average0.14GWExporting

In 5.0 GWhOut 8.3 GWh

France

IFA · IFA2 · ElecLink

Average3.55GWImporting

In 85.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.07GWExporting

In 0.0 GWhOut 25.6 GWh

Netherlands

BritNed

Average0.35GWExporting

In 5.1 GWhOut 13.4 GWh

Norway

North Sea Link

Average1.37GWImporting

In 32.8 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWGenerating

Generated 1.2 GWhPumped 0.8 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.