Electricity Live

Great Britain’s electricity on Tuesday 26 August 2025

On Tuesday 26 August, demand averaged 27.6 GW. Renewables supplied 45%.

27.6GW AVERAGEWind10.11 GW35%Hydro0.20 GW1%Biomass2.08 GW7%Solar2.88 GW10%Gas6.23 GW21%Imports4.69 GW16%Nuclear2.83 GW10%27.6GW AVERAGE35%7%10%21%16%10%
Price
£98.82/MWh
Day average £98.82
Demand27.6GW
Generation 24.3Transfers 3.3
Fossil fuels21%
Renewables45%
Other33%
Carbon intensityLow
114g/kWh
0Day average 114300
Save as image
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 26 August 2025, wind supplied 35% of Great Britain’s electricity and gas 21%. Demand peaked at 33.9 GW at 14:55. Carbon intensity averaged 114 g/kWh and the price £98.82/MWh. Wind generation peaked at 14.8 GW at 01:55. Solar generation peaked at 9.2 GW at 14:00. Carbon intensity was lowest at 01:30 (65 g/kWh) and highest at 20:00 (197 g/kWh). The wholesale price ranged from £71.30/MWh at 02:30 to £145.52/MWh at 19:30. Wind made 42% 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 2.889.9%Wind 10.1134.8%Gas 6.2321.5%Hydro 0.200.7%Biomass 2.087.2%Nuclear 2.839.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.6avgGeneration 24.3avgTransfers 3.3avg
The day in figurespeaks, averages, totals
Peak demand33.9GW · 14:55
Low 19.9 · 04:55Avg 27.60–40 GW
Made in Great Britain88%of demand
Generation 24.3Transfers 3.3 GW
Net imports77GWh
In
111 Out
34
Zero-carbon share66%of generation
Nuclear 12%Hydro 1%Wind 42%Solar 12%

Transfers · Tue 26 Aug

Interconnectors and storage

On Tuesday 26 August 2025, Great Britain imported 111 GWh and exported 34 GWh through its interconnectors. The most came from France (84 GWh), and the most exports went to Denmark (12 GWh).

All interconnectors

Tue 26 Aug
Imported
111GWh
Exported
34GWh
Net in
77GWh
Average net flow
3.22GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.24GWImporting

In 9.6 GWhOut 3.7 GWh

Denmark

Viking Link

Average0.20GWExporting

In 7.6 GWhOut 12.4 GWh

France

IFA · IFA2 · ElecLink

Average3.48GWImporting

In 83.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.50GWExporting

In 0.4 GWhOut 12.3 GWh

Netherlands

BritNed

Average0.19GWImporting

In 10.0 GWhOut 5.3 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.04GWGenerating

Generated 1.5 GWhPumped 0.5 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.