Electricity Live

Great Britain’s electricity on Wednesday 26 March 2025

On Wednesday 26 March, demand averaged 31.7 GW. Renewables supplied 31%.

31.7GW AVERAGEWind7.05 GW21%Hydro0.20 GW1%Biomass1.05 GW3%Solar3.12 GW9%Gas12.73 GW37%Imports6.17 GW18%Nuclear3.65 GW11%31.7GW AVERAGE21%9%37%18%11%
Price
£97.45/MWh
Day average £97.45
Demand31.7GW
Generation 27.8Transfers 3.9
Fossil fuels37%
Renewables31%
Other32%
Carbon intensityHigh
169g/kWh
0Day average 169300
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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 26 March 2025, gas supplied 37% of Great Britain’s electricity and wind 21%. Demand peaked at 37.4 GW at 12:55. Carbon intensity averaged 169 g/kWh and the price £97.45/MWh. Wind generation peaked at 11.8 GW at 20:35. Solar generation peaked at 10.5 GW at 12:30. Carbon intensity was lowest at 13:00 (103 g/kWh) and highest at 00:00 (217 g/kWh). The wholesale price ranged from £79.15/MWh at 04:00 to £125.17/MWh at 07:30. Gas made 46% 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 3.129.2%Wind 7.0520.7%Gas 12.7337.5%Hydro 0.200.6%Biomass 1.053.1%Nuclear 3.6510.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.7avgGeneration 27.8avgTransfers 3.9avg
The day in figurespeaks, averages, totals
Peak demand37.4GW · 12:55
Low 24.0 · 04:35Avg 31.70–40 GW
Made in Great Britain88%of demand
Generation 27.8Transfers 3.9 GW
Net imports91GWh
In
143 Out
52
Zero-carbon share50%of generation
Nuclear 13%Hydro 1%Wind 25%Solar 11%

Transfers · Wed 26 Mar

Interconnectors and storage

On Wednesday 26 March 2025, Great Britain imported 143 GWh and exported 52 GWh through its interconnectors. The most came from France (89 GWh), and the most exports went to Ireland (29 GWh).

All interconnectors

Wed 26 Mar
Imported
143GWh
Exported
52GWh
Net in
91GWh
Average net flow
3.78GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.02GWImporting

In 7.7 GWhOut 7.2 GWh

Denmark

Viking Link

Average0.31GWImporting

In 14.1 GWhOut 6.6 GWh

France

IFA · IFA2 · ElecLink

Average3.70GWImporting

In 88.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.21GWExporting

In 0.0 GWhOut 29.1 GWh

Netherlands

BritNed

Average0.04GWExporting

In 8.4 GWhOut 9.3 GWh

Norway

North Sea Link

Average1.00GWImporting

In 23.9 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWGenerating

Generated 5.3 GWhPumped 2.9 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.