Electricity Live

Great Britain’s electricity on Tuesday 5 August 2025

On Tuesday 5 August, demand averaged 28.1 GW. Renewables supplied 64%.

28.1GW AVERAGEWind15.77 GW51%Hydro0.30 GW1%Biomass0.68 GW2%Solar3.71 GW12%Gas4.43 GW14%Imports2.59 GW8%Nuclear3.64 GW12%28.1GW AVERAGE51%12%14%8%12%
Price
£22.34/MWh
Day average £22.34
Demand28.1GW
Generation 28.5Transfers −0.5
Fossil fuels14%
Renewables64%
Other22%
Carbon intensityLow
71g/kWh
0Day average 71300
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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 Tuesday 5 August 2025, wind supplied 51% of Great Britain’s electricity and gas 14%. Demand peaked at 34.8 GW at 13:05. Carbon intensity averaged 71 g/kWh and the price £22.34/MWh. Wind generation peaked at 19.3 GW at 08:25. Solar generation peaked at 10.6 GW at 13:00. Carbon intensity was lowest at 12:00 (55 g/kWh) and highest at 21:30 (108 g/kWh). The wholesale price ranged from −£11.07/MWh at 00:30 to £90.73/MWh at 21:00. The price was below zero for 9 hours. Wind made 55% 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 3.7111.9%Wind 15.7750.7%Gas 4.4314.2%Hydro 0.301.0%Biomass 0.682.2%Nuclear 3.6411.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.1avgGeneration 28.5avgTransfers −0.5avg
The day in figurespeaks, averages, totals
Peak demand34.8GW · 13:05
Low 20.7 · 04:00Avg 28.10–40 GW
Made in Great Britain102%of demand
Generation 28.5Transfers −0.5 GW
Net exports9GWh
In
62 Out
71
Zero-carbon share82%of generation
Nuclear 13%Hydro 1%Wind 55%Solar 13%

Transfers · Tue 5 Aug

Interconnectors and storage

On Tuesday 5 August 2025, Great Britain imported 62 GWh and exported 71 GWh through its interconnectors. The most came from France (25 GWh), and the most exports went to Ireland (24 GWh).

All interconnectors

Tue 5 Aug
Imported
62GWh
Exported
71GWh
Net out
9GWh
Average net flow
0.38GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.08GWExporting

In 7.6 GWhOut 9.5 GWh

Denmark

Viking Link

Average0.49GWImporting

In 13.9 GWhOut 2.0 GWh

France

IFA · IFA2 · ElecLink

Average0.67GWImporting

In 25.3 GWhOut 9.2 GWh

Ireland

Moyle · East–West · Greenlink

Average1.00GWExporting

In 0.0 GWhOut 24.0 GWh

Netherlands

BritNed

Average0.31GWExporting

In 7.0 GWhOut 14.6 GWh

Norway

North Sea Link

Average0.14GWExporting

In 8.1 GWhOut 11.5 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWPumping

Generated 0.3 GWhPumped 2.6 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.