Electricity Live

Great Britain’s electricity on Saturday 25 October 2025

On Saturday 25 October, demand averaged 30.4 GW. Renewables supplied 67%.

30.4GW AVERAGEWind20.18 GW62%Hydro0.20 GW1%Biomass0.51 GW2%Solar1.70 GW5%Gas3.59 GW11%Imports2.88 GW9%Nuclear3.69 GW11%30.4GW AVERAGE62%11%9%11%
Price
£23.55/MWh
Day average £23.55
Demand30.4GW
Generation 29.9Transfers 0.6
Fossil fuels11%
Renewables67%
Other22%
Carbon intensityLow
56g/kWh
0Day average 56300
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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

On the record lists

All records

Key moments

On Saturday 25 October 2025, wind supplied 62% of Great Britain’s electricity and nuclear 11%. Demand peaked at 35.7 GW at 18:35. Carbon intensity averaged 56 g/kWh and the price £23.55/MWh. Wind generation peaked at 21.1 GW at 13:35. Solar generation peaked at 6.5 GW at 11:30. Carbon intensity was lowest at 14:00 (44 g/kWh) and highest at 17:30 (73 g/kWh). The wholesale price ranged from −£0.57/MWh at 00:00 to £88.88/MWh at 18:30. The price was below zero for 0.5 hours. Wind made 68% 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 1.705.2%Wind 20.1861.6%Gas 3.5911.0%Hydro 0.200.6%Biomass 0.511.6%Nuclear 3.6911.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.4avgGeneration 29.9avgTransfers 0.6avg
The day in figurespeaks, averages, totals
Peak demand35.7GW · 18:35
Low 23.7 · 05:00Avg 30.40–40 GW
Made in Great Britain98%of demand
Generation 29.9Transfers 0.6 GW
Net imports21GWh
In
64 Out
43
Zero-carbon share86%of generation
Nuclear 12%Hydro 1%Wind 68%Solar 6%

Transfers · Sat 25 Oct

Interconnectors and storage

On Saturday 25 October 2025, Great Britain imported 64 GWh and exported 43 GWh through its interconnectors. The most came from France (35 GWh), and the most exports went to Ireland (27 GWh).

All interconnectors

Sat 25 Oct
Imported
64GWh
Exported
43GWh
Net in
21GWh
Average net flow
0.87GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.30GWImporting

In 8.6 GWhOut 1.5 GWh

Denmark

Viking Link

Average0.48GWImporting

In 11.7 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.28GWImporting

In 34.7 GWhOut 3.9 GWh

Ireland

Moyle · East–West · Greenlink

Average1.12GWExporting

In 0.0 GWhOut 26.8 GWh

Netherlands

BritNed

Average0.07GWImporting

In 3.1 GWhOut 1.5 GWh

Norway

North Sea Link

Average0.14GWExporting

In 6.0 GWhOut 9.4 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.30GWPumping

Generated 5.1 GWhPumped 12.2 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.