Electricity Live

Great Britain’s electricity on Friday 29 August 2025

On Friday 29 August, demand averaged 27.1 GW. Renewables supplied 38%.

27.1GW AVERAGEWind7.89 GW28%Hydro0.20 GW1%Biomass2.41 GW9%Solar2.54 GW9%Gas6.51 GW23%Imports5.28 GW19%Nuclear3.42 GW12%27.1GW AVERAGE28%9%9%23%19%12%
Price
£85.24/MWh
Day average £85.24
Demand27.1GW
Generation 23.0Transfers 4.1
Fossil fuels23%
Renewables38%
Other39%
Carbon intensityModerate
123g/kWh
0Day average 123300
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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 29 August 2025, wind supplied 28% of Great Britain’s electricity and gas 23%. Demand peaked at 34.1 GW at 12:15. Carbon intensity averaged 123 g/kWh and the price £85.24/MWh. Wind generation peaked at 11.9 GW at 00:00. Solar generation peaked at 8.4 GW at 12:30. Carbon intensity was lowest at 01:00 (71 g/kWh) and highest at 20:30 (181 g/kWh). The wholesale price ranged from £65.16/MWh at 12:00 to £118.50/MWh at 09:00. 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 2.549.0%Wind 7.8927.9%Gas 6.5123.0%Hydro 0.200.7%Biomass 2.418.5%Nuclear 3.4212.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.1avgGeneration 23.0avgTransfers 4.1avg
The day in figurespeaks, averages, totals
Peak demand34.1GW · 12:15
Low 20.1 · 04:30Avg 27.10–40 GW
Made in Great Britain85%of demand
Generation 23.0Transfers 4.1 GW
Net imports97GWh
In
124 Out
27
Zero-carbon share61%of generation
Nuclear 15%Hydro 1%Wind 34%Solar 11%

Transfers · Fri 29 Aug

Interconnectors and storage

On Friday 29 August 2025, Great Britain imported 124 GWh and exported 27 GWh through its interconnectors. The most came from France (88 GWh), and the most exports went to Denmark (12 GWh).

All interconnectors

Fri 29 Aug
Imported
124GWh
Exported
27GWh
Net in
97GWh
Average net flow
4.04GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.70GWImporting

In 16.9 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.18GWExporting

In 8.0 GWhOut 12.4 GWh

France

IFA · IFA2 · ElecLink

Average3.65GWImporting

In 87.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.46GWExporting

In 0.5 GWhOut 11.6 GWh

Netherlands

BritNed

Average0.33GWImporting

In 11.3 GWhOut 3.3 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWGenerating

Generated 2.6 GWhPumped 0.3 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.