Electricity Live

Great Britain’s electricity on Friday 21 February 2025

On Friday 21 February, demand averaged 34.1 GW. Renewables supplied 57%.

34.1GW AVERAGEWind19.49 GW54%Hydro0.46 GW1%Biomass1.28 GW4%Solar0.68 GW2%Gas4.39 GW12%Imports5.20 GW14%Nuclear4.67 GW13%34.1GW AVERAGE54%12%14%13%
Price
£48.31/MWh
Day average £48.31
Demand34.1GW
Generation 31.0Transfers 3.2
Fossil fuels12%
Renewables57%
Other31%
Carbon intensityLow
65g/kWh
0Day average 65300
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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 21 February 2025, wind supplied 54% of Great Britain’s electricity and nuclear 13%. Demand peaked at 41.2 GW at 12:15. Carbon intensity averaged 65 g/kWh and the price £48.31/MWh. Wind generation peaked at 22.1 GW at 13:20. Solar generation peaked at 3.2 GW at 12:00. Carbon intensity was lowest at 20:30 (47 g/kWh) and highest at 03:30 (83 g/kWh). The wholesale price ranged from £9.93/MWh at 05:30 to £91.37/MWh at 17:30. Wind made 63% 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 0.681.9%Wind 19.4953.9%Gas 4.3912.1%Hydro 0.461.3%Biomass 1.283.5%Nuclear 4.6712.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.1avgGeneration 31.0avgTransfers 3.2avg
The day in figurespeaks, averages, totals
Peak demand41.2GW · 12:15
Low 26.0 · 04:55Avg 34.10–60 GW
Made in Great Britain91%of demand
Generation 31.0Transfers 3.2 GW
Net imports79GWh
In
117 Out
38
Zero-carbon share82%of generation
Nuclear 15%Hydro 1%Wind 63%Solar 2%

Transfers · Fri 21 Feb

Interconnectors and storage

On Friday 21 February 2025, Great Britain imported 117 GWh and exported 38 GWh through its interconnectors. The most came from France (49 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Fri 21 Feb
Imported
117GWh
Exported
38GWh
Net in
79GWh
Average net flow
3.27GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.03GWImporting

In 8.6 GWhOut 7.7 GWh

Denmark

Viking Link

Average0.45GWImporting

In 16.5 GWhOut 5.8 GWh

France

IFA · IFA2 · ElecLink

Average1.95GWImporting

In 48.9 GWhOut 2.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.26GWExporting

In 6.5 GWhOut 12.8 GWh

Netherlands

BritNed

Average0.14GWExporting

In 6.2 GWhOut 9.6 GWh

Norway

North Sea Link

Average1.24GWImporting

In 29.9 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWPumping

Generated 8.3 GWhPumped 10.5 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.