Electricity Live

Great Britain’s electricity on Friday 7 March 2025

On Friday 7 March, demand averaged 31.7 GW. Renewables supplied 33%.

31.7GW AVERAGEWind8.97 GW26%Hydro0.70 GW2%Biomass1.15 GW3%Solar1.45 GW4%Gas11.76 GW35%Imports6.15 GW18%Nuclear3.80 GW11%31.7GW AVERAGE26%35%18%11%
Price
£89.34/MWh
Day average £89.34
Demand31.7GW
Generation 27.8Transfers 3.8
Fossil fuels35%
Renewables33%
Other33%
Carbon intensityHigh
152g/kWh
0Day average 152300
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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 7 March 2025, gas supplied 35% of Great Britain’s electricity and wind 26%. Demand peaked at 37.2 GW at 10:30. Carbon intensity averaged 152 g/kWh and the price £89.34/MWh. Wind generation peaked at 16.8 GW at 00:00. Solar generation peaked at 6.2 GW at 11:00. Carbon intensity was lowest at 01:00 (54 g/kWh) and highest at 16:00 (203 g/kWh). The wholesale price ranged from £40.76/MWh at 01:30 to £133.28/MWh at 17:00. Gas made 42% 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 1.454.3%Wind 8.9726.4%Gas 11.7634.6%Hydro 0.702.1%Biomass 1.153.4%Nuclear 3.8011.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.7avgGeneration 27.8avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand37.2GW · 10:30
Low 23.3 · 04:30Avg 31.70–40 GW
Made in Great Britain88%of demand
Generation 27.8Transfers 3.8 GW
Net imports88GWh
In
140 Out
51
Zero-carbon share54%of generation
Nuclear 14%Hydro 3%Wind 32%Solar 5%

Transfers · Fri 7 Mar

Interconnectors and storage

On Friday 7 March 2025, Great Britain imported 140 GWh and exported 51 GWh through its interconnectors. The most came from France (94 GWh), and the most exports went to Ireland (30 GWh).

All interconnectors

Fri 7 Mar
Imported
140GWh
Exported
51GWh
Net in
88GWh
Average net flow
3.69GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.53GWImporting

In 14.0 GWhOut 1.3 GWh

Denmark

Viking Link

Average0.21GWExporting

In 6.7 GWhOut 11.6 GWh

France

IFA · IFA2 · ElecLink

Average3.93GWImporting

In 94.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.25GWExporting

In 0.0 GWhOut 30.1 GWh

Netherlands

BritNed

Average0.01GWExporting

In 7.8 GWhOut 8.0 GWh

Norway

North Sea Link

Average0.70GWImporting

In 16.7 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWGenerating

Generated 8.0 GWhPumped 4.0 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.