Electricity Live

Great Britain’s electricity on Wednesday 12 February 2025

On Wednesday 12 February, demand averaged 37.5 GW. Renewables supplied 24%.

37.5GW AVERAGEWind8.73 GW23%Hydro0.37 GW1%Biomass2.58 GW7%Solar0.27 GW1%Gas17.53 GW45%Imports4.99 GW13%Nuclear4.31 GW11%37.5GW AVERAGE23%45%13%11%
Price
£132.31/MWh
Day average £132.31
Demand37.5GW
Generation 33.8Transfers 3.7
Fossil fuels45%
Renewables24%
Other31%
Carbon intensityHigh
194g/kWh
0Day average 194300
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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 Wednesday 12 February 2025, gas supplied 45% of Great Britain’s electricity and wind 23%. Demand peaked at 44.2 GW at 12:45. Carbon intensity averaged 194 g/kWh and the price £132.31/MWh. Wind generation peaked at 10.6 GW at 01:10. Solar generation peaked at 1.5 GW at 11:30. Carbon intensity was lowest at 01:30 (126 g/kWh) and highest at 16:30 (227 g/kWh). The wholesale price ranged from £100.70/MWh at 02:00 to £165.21/MWh at 17:00. Gas made 52% 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 0.270.7%Wind 8.7322.5%Gas 17.5345.2%Hydro 0.371.0%Biomass 2.586.7%Nuclear 4.3111.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 37.5avgGeneration 33.8avgTransfers 3.7avg
The day in figurespeaks, averages, totals
Peak demand44.2GW · 12:45
Low 27.0 · 04:05Avg 37.50–60 GW
Made in Great Britain90%of demand
Generation 33.8Transfers 3.7 GW
Net imports91GWh
In
113 Out
22
Zero-carbon share40%of generation
Nuclear 13%Hydro 1%Wind 26%Solar 1%

Transfers · Wed 12 Feb

Interconnectors and storage

On Wednesday 12 February 2025, Great Britain imported 113 GWh and exported 22 GWh through its interconnectors. The most came from France (44 GWh), and the most exports went to Ireland (11 GWh).

All interconnectors

Wed 12 Feb
Imported
113GWh
Exported
22GWh
Net in
91GWh
Average net flow
3.79GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.07GWExporting

In 2.7 GWhOut 4.3 GWh

Denmark

Viking Link

Average1.07GWImporting

In 25.6 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.75GWImporting

In 44.2 GWhOut 2.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.38GWExporting

In 2.0 GWhOut 11.2 GWh

Netherlands

BritNed

Average0.03GWImporting

In 5.4 GWhOut 4.6 GWh

Norway

North Sea Link

Average1.39GWImporting

In 33.4 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWPumping

Generated 6.4 GWhPumped 8.3 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.