Electricity Live

Great Britain’s electricity on Saturday 29 March 2025

On Saturday 29 March, demand averaged 29.1 GW. Renewables supplied 55%.

29.1GW AVERAGEWind14.06 GW45%Hydro0.36 GW1%Biomass0.43 GW1%Solar2.75 GW9%Gas4.12 GW13%Imports5.83 GW19%Nuclear3.56 GW11%29.1GW AVERAGE45%9%13%19%11%
Price
£54.81/MWh
Day average £54.81
Demand29.1GW
Generation 25.3Transfers 3.9
Fossil fuels13%
Renewables55%
Other32%
Carbon intensityLow
75g/kWh
0Day average 75300
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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 Saturday 29 March 2025, wind supplied 45% of Great Britain’s electricity and gas 13%. Demand peaked at 34.9 GW at 19:05. Carbon intensity averaged 75 g/kWh and the price £54.81/MWh. Wind generation peaked at 21.0 GW at 23:55. Solar generation peaked at 10.3 GW at 12:00. Carbon intensity was lowest at 13:30 (42 g/kWh) and highest at 06:00 (102 g/kWh). The wholesale price ranged from −£17.18/MWh at 13:30 to £109.20/MWh at 08:00. The price was below zero for 3 hours. Wind made 56% of the electricity generated in Great Britain, compared with 35% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.758.8%Wind 14.0645.2%Gas 4.1213.2%Hydro 0.361.2%Biomass 0.431.4%Nuclear 3.5611.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.1avgGeneration 25.3avgTransfers 3.9avg
The day in figurespeaks, averages, totals
Peak demand34.9GW · 19:05
Low 22.0 · 05:30Avg 29.10–40 GW
Made in Great Britain87%of demand
Generation 25.3Transfers 3.9 GW
Net imports91GWh
In
132 Out
41
Zero-carbon share82%of generation
Nuclear 14%Hydro 1%Wind 56%Solar 11%

Transfers · Sat 29 Mar

Interconnectors and storage

On Saturday 29 March 2025, Great Britain imported 132 GWh and exported 41 GWh through its interconnectors. The most came from France (76 GWh), and the most exports went to Ireland (15 GWh).

All interconnectors

Sat 29 Mar
Imported
132GWh
Exported
41GWh
Net in
91GWh
Average net flow
3.79GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.18GWImporting

In 13.2 GWhOut 8.8 GWh

Denmark

Viking Link

Average0.18GWImporting

In 11.1 GWhOut 6.8 GWh

France

IFA · IFA2 · ElecLink

Average3.12GWImporting

In 76.5 GWhOut 1.5 GWh

Ireland

Moyle · East–West · Greenlink

Average0.60GWExporting

In 0.6 GWhOut 14.9 GWh

Netherlands

BritNed

Average0.12GWImporting

In 11.4 GWhOut 8.5 GWh

Norway

North Sea Link

Average0.78GWImporting

In 18.9 GWhOut 0.2 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWGenerating

Generated 8.2 GWhPumped 6.2 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.