Electricity Live

Great Britain’s electricity on Friday 28 March 2025

On Friday 28 March, demand averaged 31.2 GW. Renewables supplied 56%.

31.2GW AVERAGEWind15.29 GW46%Hydro0.33 GW1%Biomass0.43 GW1%Solar2.87 GW9%Gas5.57 GW17%Imports5.29 GW16%Nuclear3.53 GW11%31.2GW AVERAGE46%9%17%16%11%
Price
£49.19/MWh
Day average £49.19
Demand31.2GW
Generation 28.0Transfers 3.2
Fossil fuels17%
Renewables56%
Other28%
Carbon intensityLow
78g/kWh
0Day average 78300
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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 Friday 28 March 2025, wind supplied 46% of Great Britain’s electricity and gas 17%. Demand peaked at 37.9 GW at 12:05. Carbon intensity averaged 78 g/kWh and the price £49.19/MWh. Wind generation peaked at 17.9 GW at 00:00. Solar generation peaked at 10.6 GW at 12:30. Carbon intensity was lowest at 11:00 (41 g/kWh) and highest at 18:00 (143 g/kWh). The wholesale price ranged from −£0.37/MWh at 12:30 to £112.89/MWh at 18:30. The price was below zero for 0.5 hours. Wind made 55% 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 2.878.6%Wind 15.2945.9%Gas 5.5716.7%Hydro 0.331.0%Biomass 0.431.3%Nuclear 3.5310.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.2avgGeneration 28.0avgTransfers 3.2avg
The day in figurespeaks, averages, totals
Peak demand37.9GW · 12:05
Low 23.3 · 05:00Avg 31.20–40 GW
Made in Great Britain90%of demand
Generation 28.0Transfers 3.2 GW
Net imports79GWh
In
118 Out
40
Zero-carbon share79%of generation
Nuclear 13%Hydro 1%Wind 55%Solar 10%

Transfers · Fri 28 Mar

Interconnectors and storage

On Friday 28 March 2025, Great Britain imported 118 GWh and exported 40 GWh through its interconnectors. The most came from France (70 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Fri 28 Mar
Imported
118GWh
Exported
40GWh
Net in
79GWh
Average net flow
3.28GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.27GWExporting

In 4.1 GWhOut 10.6 GWh

Denmark

Viking Link

Average0.56GWImporting

In 17.4 GWhOut 3.9 GWh

France

IFA · IFA2 · ElecLink

Average2.89GWImporting

In 69.9 GWhOut 0.5 GWh

Ireland

Moyle · East–West · Greenlink

Average0.53GWExporting

In 0.3 GWhOut 13.1 GWh

Netherlands

BritNed

Average0.37GWExporting

In 2.8 GWhOut 11.7 GWh

Norway

North Sea Link

Average0.99GWImporting

In 23.9 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.05GWPumping

Generated 8.4 GWhPumped 9.5 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.