Electricity Live

Great Britain’s electricity on Thursday 29 May 2025

On Thursday 29 May, demand averaged 28.9 GW. Renewables supplied 62%.

28.9GW AVERAGEWind16.20 GW52%Hydro0.21 GW1%Biomass2.10 GW7%Solar2.92 GW9%Gas2.01 GW6%Imports3.02 GW10%Nuclear4.89 GW16%28.9GW AVERAGE52%9%10%16%
Price
£27.45/MWh
Day average £27.45
Demand28.9GW
Generation 28.3Transfers 0.6
Fossil fuels6%
Renewables62%
Other32%
Carbon intensityLow
44g/kWh
0Day average 44300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

On the record lists

All records

Key moments

On Thursday 29 May 2025, wind supplied 52% of Great Britain’s electricity and nuclear 16%. Demand peaked at 35.6 GW at 10:30. Carbon intensity averaged 44 g/kWh and the price £27.45/MWh. Wind generation peaked at 21.2 GW at 14:40. Solar generation peaked at 8.7 GW at 13:30. Carbon intensity was lowest at 12:00 (24 g/kWh) and highest at 00:00 (79 g/kWh). The wholesale price ranged from −£18.24/MWh at 13:30 to £76.82/MWh at 00:00. The price was below zero for 6 hours. Wind made 57% 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 2.929.3%Wind 16.2051.7%Gas 2.016.4%Hydro 0.210.7%Biomass 2.106.7%Nuclear 4.8915.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.9avgGeneration 28.3avgTransfers 0.6avg
The day in figurespeaks, averages, totals
Peak demand35.6GW · 10:30
Low 21.0 · 04:00Avg 28.90–40 GW
Made in Great Britain98%of demand
Generation 28.3Transfers 0.6 GW
Net imports17GWh
In
71 Out
54
Zero-carbon share85%of generation
Nuclear 17%Hydro 1%Wind 57%Solar 10%

Transfers · Thu 29 May

Interconnectors and storage

On Thursday 29 May 2025, Great Britain imported 71 GWh and exported 54 GWh through its interconnectors. The most came from France (34 GWh), and the most exports went to Ireland (17 GWh).

All interconnectors

Thu 29 May
Imported
71GWh
Exported
54GWh
Net in
17GWh
Average net flow
0.73GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.40GWExporting

In 2.3 GWhOut 11.8 GWh

Denmark

Viking Link

Average0.31GWImporting

In 13.6 GWhOut 6.2 GWh

France

IFA · IFA2 · ElecLink

Average1.39GWImporting

In 33.7 GWhOut 0.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.66GWExporting

In 1.6 GWhOut 17.5 GWh

Netherlands

BritNed

Average0.40GWExporting

In 3.3 GWhOut 12.9 GWh

Norway

North Sea Link

Average0.49GWImporting

In 16.9 GWhOut 5.1 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.11GWPumping

Generated 1.2 GWhPumped 3.9 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.