Electricity Live

Great Britain’s electricity on Friday 14 March 2025

On Friday 14 March, demand averaged 34.2 GW. Renewables supplied 16%.

34.2GW AVERAGEWind3.37 GW9%Hydro0.47 GW1%Biomass2.65 GW7%Solar1.97 GW5%Gas18.44 GW51%Imports5.46 GW15%Nuclear3.65 GW10%34.2GW AVERAGE9%7%51%15%10%
Price
£102.22/MWh
Day average £102.22
Demand34.2GW
Generation 30.5Transfers 3.7
Fossil fuels51%
Renewables16%
Other33%
Carbon intensityHigh
227g/kWh
0Day average 227300
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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 14 March 2025, gas supplied 51% of Great Britain’s electricity and nuclear 10%. Demand peaked at 40.2 GW at 10:55. Carbon intensity averaged 227 g/kWh and the price £102.22/MWh. Wind generation peaked at 4.1 GW at 09:45. Solar generation peaked at 7.4 GW at 10:30. Carbon intensity was lowest at 23:00 (185 g/kWh) and highest at 05:30 (253 g/kWh). The wholesale price ranged from £83.76/MWh at 01:30 to £129.24/MWh at 06:30. Gas made 60% 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 1.975.5%Wind 3.379.4%Gas 18.4451.2%Hydro 0.471.3%Biomass 2.657.4%Nuclear 3.6510.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.2avgGeneration 30.5avgTransfers 3.7avg
The day in figurespeaks, averages, totals
Peak demand40.2GW · 10:55
Low 25.4 · 05:00Avg 34.20–60 GW
Made in Great Britain89%of demand
Generation 30.5Transfers 3.7 GW
Net imports93GWh
In
129 Out
36
Zero-carbon share31%of generation
Nuclear 12%Hydro 2%Wind 11%Solar 6%

Transfers · Fri 14 Mar

Interconnectors and storage

On Friday 14 March 2025, Great Britain imported 129 GWh and exported 36 GWh through its interconnectors. The most came from France (77 GWh), and the most exports went to Ireland (28 GWh).

All interconnectors

Fri 14 Mar
Imported
129GWh
Exported
36GWh
Net in
93GWh
Average net flow
3.86GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.28GWImporting

In 9.3 GWhOut 2.7 GWh

Denmark

Viking Link

Average0.06GWImporting

In 5.1 GWhOut 3.8 GWh

France

IFA · IFA2 · ElecLink

Average3.22GWImporting

In 77.2 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.15GWExporting

In 0.0 GWhOut 27.6 GWh

Netherlands

BritNed

Average0.52GWImporting

In 14.4 GWhOut 1.9 GWh

Norway

North Sea Link

Average0.94GWImporting

In 22.7 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.21GWPumping

Generated 2.4 GWhPumped 7.4 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.