Electricity Live

Great Britain’s electricity on Tuesday 11 March 2025

On Tuesday 11 March, demand averaged 33.6 GW. Renewables supplied 38%.

33.6GW AVERAGEWind11.37 GW31%Hydro0.41 GW1%Biomass1.14 GW3%Solar1.93 GW5%Gas13.26 GW37%Imports4.48 GW12%Nuclear3.64 GW10%33.6GW AVERAGE31%37%12%10%
Price
£88.45/MWh
Day average £88.45
Demand33.6GW
Generation 31.8Transfers 1.9
Fossil fuels37%
Renewables38%
Other26%
Carbon intensityModerate
151g/kWh
0Day average 151300
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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 11 March 2025, gas supplied 37% of Great Britain’s electricity and wind 31%. Demand peaked at 39.8 GW at 11:00. Carbon intensity averaged 151 g/kWh and the price £88.45/MWh. Wind generation peaked at 14.3 GW at 00:35. Solar generation peaked at 7.5 GW at 11:00. Carbon intensity was lowest at 02:00 (79 g/kWh) and highest at 18:30 (212 g/kWh). The wholesale price ranged from £68.32/MWh at 05:30 to £126.41/MWh at 18:30. 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 1.935.3%Wind 11.3731.4%Gas 13.2636.6%Hydro 0.411.1%Biomass 1.143.2%Nuclear 3.6410.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.6avgGeneration 31.8avgTransfers 1.9avg
The day in figurespeaks, averages, totals
Peak demand39.8GW · 11:00
Low 24.3 · 03:30Avg 33.60–40 GW
Made in Great Britain94%of demand
Generation 31.8Transfers 1.9 GW
Net imports44GWh
In
103 Out
59
Zero-carbon share55%of generation
Nuclear 11%Hydro 1%Wind 36%Solar 6%

Transfers · Tue 11 Mar

Interconnectors and storage

On Tuesday 11 March 2025, Great Britain imported 103 GWh and exported 59 GWh through its interconnectors. The most came from France (83 GWh), and the most exports went to Ireland (28 GWh).

All interconnectors

Tue 11 Mar
Imported
103GWh
Exported
59GWh
Net in
44GWh
Average net flow
1.83GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.27GWExporting

In 0.2 GWhOut 6.7 GWh

Denmark

Viking Link

Average0.73GWExporting

In 0.0 GWhOut 17.5 GWh

France

IFA · IFA2 · ElecLink

Average3.47GWImporting

In 83.4 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.18GWExporting

In 0.0 GWhOut 28.4 GWh

Netherlands

BritNed

Average0.18GWExporting

In 1.9 GWhOut 6.4 GWh

Norway

North Sea Link

Average0.72GWImporting

In 17.3 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWGenerating

Generated 4.7 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.