Electricity Live

Great Britain’s electricity on Friday 17 October 2025

On Friday 17 October, demand averaged 30.2 GW. Renewables supplied 9%.

30.2GW AVERAGEWind1.69 GW5%Hydro0.45 GW1%Biomass2.21 GW7%Solar0.65 GW2%Gas17.57 GW56%Imports5.02 GW16%Nuclear3.89 GW12%30.2GW AVERAGE7%56%16%12%
Price
£89.59/MWh
Day average £89.59
Demand30.2GW
Generation 26.5Transfers 3.8
Fossil fuels56%
Renewables9%
Other35%
Carbon intensityHigh
241g/kWh
0Day average 241300
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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 17 October 2025, gas supplied 56% of Great Britain’s electricity and nuclear 12%. Demand peaked at 36.8 GW at 12:30. Carbon intensity averaged 241 g/kWh and the price £89.59/MWh. Wind generation peaked at 2.9 GW at 23:40. Solar generation peaked at 3.2 GW at 12:30. Carbon intensity was lowest at 23:30 (195 g/kWh) and highest at 07:00 (270 g/kWh). The wholesale price ranged from £74.10/MWh at 04:30 to £120.69/MWh at 18:30. Gas made 66% of the electricity generated in Great Britain, compared with 32% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.652.1%Wind 1.695.4%Gas 17.5755.8%Hydro 0.451.4%Biomass 2.217.0%Nuclear 3.8912.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.2avgGeneration 26.5avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand36.8GW · 12:30
Low 22.1 · 05:00Avg 30.20–40 GW
Made in Great Britain87%of demand
Generation 26.5Transfers 3.8 GW
Net imports86GWh
In
116 Out
29
Zero-carbon share25%of generation
Nuclear 15%Hydro 2%Wind 6%Solar 2%

Transfers · Fri 17 Oct

Interconnectors and storage

On Friday 17 October 2025, Great Britain imported 116 GWh and exported 29 GWh through its interconnectors. The most came from France (50 GWh), and the most exports went to Ireland (24 GWh).

All interconnectors

Fri 17 Oct
Imported
116GWh
Exported
29GWh
Net in
86GWh
Average net flow
3.60GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.53GWImporting

In 14.2 GWhOut 1.5 GWh

Denmark

Viking Link

Average0.40GWImporting

In 10.9 GWhOut 1.3 GWh

France

IFA · IFA2 · ElecLink

Average2.08GWImporting

In 50.1 GWhOut 0.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.98GWExporting

In 0.0 GWhOut 23.6 GWh

Netherlands

BritNed

Average0.18GWImporting

In 7.0 GWhOut 2.7 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.19GWGenerating

Generated 4.8 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.