Electricity Live

Great Britain’s electricity on Wednesday 25 March 2026

On Wednesday 25 March, demand averaged 35.0 GW. Renewables supplied 65%.

35.0GW AVERAGEWind21.13 GW57%Hydro0.24 GW1%Biomass1.22 GW3%Solar2.99 GW8%Gas2.41 GW6%Imports4.76 GW13%Nuclear4.46 GW12%35.0GW AVERAGE57%8%13%12%
Price
£42.97/MWh
Day average £42.97
Demand35.0GW
Generation 32.5Transfers 2.5
Fossil fuels6%
Renewables65%
Other28%
Carbon intensityLow
47g/kWh
0Day average 47300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

On the record lists

All records

Key moments

On Wednesday 25 March 2026, wind supplied 57% of Great Britain’s electricity and nuclear 12%. Demand peaked at 41.7 GW at 12:20. Carbon intensity averaged 47 g/kWh and the price £42.97/MWh. Wind generation peaked at 23.6 GW at 12:40. Solar generation peaked at 10.4 GW at 12:30. Carbon intensity was lowest at 14:30 (26 g/kWh) and highest at 18:30 (88 g/kWh). The wholesale price ranged from −£5.24/MWh at 05:00 to £136.50/MWh at 19:00. The price was below zero for 4.5 hours. Wind made 65% of the electricity generated in Great Britain, compared with 37% across 2026 so far.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.998.0%Wind 21.1356.8%Gas 2.416.5%Hydro 0.240.7%Biomass 1.223.3%Nuclear 4.4612.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 35.0avgGeneration 32.5avgTransfers 2.5avg
The day in figurespeaks, averages, totals
Peak demand41.7GW · 12:20
Low 26.5 · 04:25Avg 35.00–60 GW
Made in Great Britain93%of demand
Generation 32.5Transfers 2.5 GW
Net imports69GWh
In
105 Out
37
Zero-carbon share89%of generation
Nuclear 14%Hydro 1%Wind 65%Solar 9%

Transfers · Wed 25 Mar

Interconnectors and storage

On Wednesday 25 March 2026, Great Britain imported 105 GWh and exported 37 GWh through its interconnectors. The most came from France (53 GWh), and the most exports went to Norway (19 GWh).

All interconnectors

Wed 25 Mar
Imported
105GWh
Exported
37GWh
Net in
69GWh
Average net flow
2.86GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.71GWImporting

In 17.2 GWhOut 0.1 GWh

Denmark

Viking Link

Average0.76GWImporting

In 18.3 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.20GWImporting

In 53.3 GWhOut 0.5 GWh

Ireland

Moyle · East–West · Greenlink

Average0.66GWExporting

In 0.0 GWhOut 15.9 GWh

Netherlands

BritNed

Average0.32GWImporting

In 9.5 GWhOut 1.7 GWh

Norway

North Sea Link

Average0.48GWExporting

In 7.1 GWhOut 18.6 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.33GWPumping

Generated 8.8 GWhPumped 16.9 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.