Electricity Live

Great Britain’s electricity on Saturday 2 August 2025

On Saturday 2 August, demand averaged 24.6 GW. Renewables supplied 38%.

24.6GW AVERAGEWind6.54 GW25%Hydro0.21 GW1%Biomass2.37 GW9%Solar3.39 GW13%Gas3.22 GW12%Imports6.97 GW26%Nuclear3.64 GW14%24.6GW AVERAGE25%9%13%12%26%14%
Price
£55.52/MWh
Day average £55.52
Demand24.6GW
Generation 19.4Transfers 5.3
Fossil fuels12%
Renewables38%
Other49%
Carbon intensityLow
84g/kWh
0Day average 84300
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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 Saturday 2 August 2025, wind supplied 25% of Great Britain’s electricity and nuclear 14%. Demand peaked at 29.0 GW at 11:00. Carbon intensity averaged 84 g/kWh and the price £55.52/MWh. Wind generation peaked at 10.0 GW at 00:25. Solar generation peaked at 8.9 GW at 14:00. Carbon intensity was lowest at 10:30 (62 g/kWh) and highest at 19:30 (135 g/kWh). The wholesale price ranged from £26.12/MWh at 15:30 to £91.63/MWh at 20:30. Wind made 34% 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 3.3912.9%Wind 6.5424.8%Gas 3.2212.2%Hydro 0.210.8%Biomass 2.379.0%Nuclear 3.6413.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 24.6avgGeneration 19.4avgTransfers 5.3avg
The day in figurespeaks, averages, totals
Peak demand29.0GW · 11:00
Low 18.9 · 05:40Avg 24.60–30 GW
Made in Great Britain79%of demand
Generation 19.4Transfers 5.3 GW
Net imports124GWh
In
164 Out
40
Zero-carbon share71%of generation
Nuclear 19%Hydro 1%Wind 34%Solar 17%

Transfers · Sat 2 Aug

Interconnectors and storage

On Saturday 2 August 2025, Great Britain imported 164 GWh and exported 40 GWh through its interconnectors. The most came from France (94 GWh), and the most exports went to Ireland (26 GWh).

All interconnectors

Sat 2 Aug
Imported
164GWh
Exported
40GWh
Net in
124GWh
Average net flow
5.16GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.62GWImporting

In 15.1 GWhOut 0.1 GWh

Denmark

Viking Link

Average0.17GWImporting

In 10.2 GWhOut 6.2 GWh

France

IFA · IFA2 · ElecLink

Average3.92GWImporting

In 94.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.10GWExporting

In 0.0 GWhOut 26.4 GWh

Netherlands

BritNed

Average0.17GWImporting

In 11.1 GWhOut 7.1 GWh

Norway

North Sea Link

Average1.38GWImporting

In 33.1 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWGenerating

Generated 3.8 GWhPumped 1.4 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.