Electricity Live

Great Britain’s electricity on Tuesday 25 February 2025

On Tuesday 25 February, demand averaged 33.9 GW. Renewables supplied 34%.

33.9GW AVERAGEWind10.04 GW27%Hydro0.63 GW2%Biomass2.55 GW7%Solar1.88 GW5%Gas11.77 GW32%Imports5.35 GW14%Nuclear4.71 GW13%33.9GW AVERAGE27%32%14%13%
Price
£98.36/MWh
Day average £98.36
Demand33.9GW
Generation 31.6Transfers 2.3
Fossil fuels32%
Renewables34%
Other34%
Carbon intensityModerate
138g/kWh
0Day average 138300
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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 25 February 2025, gas supplied 32% of Great Britain’s electricity and wind 27%. Demand peaked at 39.5 GW at 10:00. Carbon intensity averaged 138 g/kWh and the price £98.36/MWh. Wind generation peaked at 14.0 GW at 01:10. Solar generation peaked at 7.6 GW at 11:30. Carbon intensity was lowest at 02:00 (63 g/kWh) and highest at 17:30 (191 g/kWh). The wholesale price ranged from £75.24/MWh at 00:00 to £129.77/MWh at 18:00. Gas made 37% 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 1.885.1%Wind 10.0427.2%Gas 11.7731.9%Hydro 0.631.7%Biomass 2.556.9%Nuclear 4.7112.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.9avgGeneration 31.6avgTransfers 2.3avg
The day in figurespeaks, averages, totals
Peak demand39.5GW · 10:00
Low 24.0 · 05:00Avg 33.90–40 GW
Made in Great Britain93%of demand
Generation 31.6Transfers 2.3 GW
Net imports53GWh
In
123 Out
69
Zero-carbon share55%of generation
Nuclear 15%Hydro 2%Wind 32%Solar 6%

Transfers · Tue 25 Feb

Interconnectors and storage

On Tuesday 25 February 2025, Great Britain imported 123 GWh and exported 69 GWh through its interconnectors. The most came from France (89 GWh), and the most exports went to Ireland (22 GWh).

All interconnectors

Tue 25 Feb
Imported
123GWh
Exported
69GWh
Net in
53GWh
Average net flow
2.23GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.38GWExporting

In 0.0 GWhOut 9.2 GWh

Denmark

Viking Link

Average0.78GWExporting

In 0.5 GWhOut 19.3 GWh

France

IFA · IFA2 · ElecLink

Average3.69GWImporting

In 88.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.93GWExporting

In 0.0 GWhOut 22.3 GWh

Netherlands

BritNed

Average0.76GWExporting

In 0.0 GWhOut 18.4 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWGenerating

Generated 5.8 GWhPumped 3.7 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.