Electricity Live

Great Britain’s electricity on Wednesday 4 March 2026

On Wednesday 4 March, demand averaged 33.1 GW. Renewables supplied 34%.

33.1GW AVERAGEWind8.97 GW26%Hydro0.55 GW2%Biomass2.74 GW8%Solar2.21 GW6%Gas10.24 GW29%Imports6.72 GW19%Nuclear3.33 GW10%33.1GW AVERAGE26%8%29%19%10%
Price
£120.83/MWh
Day average £120.83
Demand33.1GW
Generation 28.0Transfers 5.1
Fossil fuels29%
Renewables34%
Other37%
Carbon intensityModerate
145g/kWh
0Day average 145300
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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 4 March 2026, gas supplied 29% of Great Britain’s electricity and wind 26%. Demand peaked at 38.7 GW at 19:05. Carbon intensity averaged 145 g/kWh and the price £120.83/MWh. Wind generation peaked at 13.6 GW at 23:40. Solar generation peaked at 8.8 GW at 12:30. Carbon intensity was lowest at 23:00 (76 g/kWh) and highest at 17:30 (192 g/kWh). The wholesale price ranged from £94.60/MWh at 23:30 to £155.23/MWh at 10:30. Gas made 37% of the electricity generated in Great Britain, compared with 28% across 2026 so far.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.216.4%Wind 8.9725.8%Gas 10.2429.5%Hydro 0.551.6%Biomass 2.747.9%Nuclear 3.339.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.1avgGeneration 28.0avgTransfers 5.1avg
The day in figurespeaks, averages, totals
Peak demand38.7GW · 19:05
Low 25.1 · 04:05Avg 33.10–40 GW
Made in Great Britain85%of demand
Generation 28.0Transfers 5.1 GW
Net imports120GWh
In
156 Out
36
Zero-carbon share54%of generation
Nuclear 12%Hydro 2%Wind 32%Solar 8%

Transfers · Wed 4 Mar

Interconnectors and storage

On Wednesday 4 March 2026, Great Britain imported 156 GWh and exported 36 GWh through its interconnectors. The most came from France (83 GWh), and the most exports went to Ireland (20 GWh).

All interconnectors

Wed 4 Mar
Imported
156GWh
Exported
36GWh
Net in
120GWh
Average net flow
5.00GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.63GWImporting

In 17.9 GWhOut 2.7 GWh

Denmark

Viking Link

Average0.14GWImporting

In 11.3 GWhOut 8.0 GWh

France

IFA · IFA2 · ElecLink

Average3.46GWImporting

In 83.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.82GWExporting

In 0.0 GWhOut 19.8 GWh

Netherlands

BritNed

Average0.23GWImporting

In 11.1 GWhOut 5.7 GWh

Norway

North Sea Link

Average1.36GWImporting

In 32.7 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWGenerating

Generated 5.1 GWhPumped 3.0 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.