Electricity Live

Great Britain’s electricity on Monday 5 May 2025

On Monday 5 May, demand averaged 26.5 GW. Renewables supplied 39%.

26.5GW AVERAGEWind7.76 GW28%Hydro0.14 GW0%Biomass2.00 GW7%Solar3.09 GW11%Gas4.74 GW17%Imports6.67 GW24%Nuclear3.52 GW13%26.5GW AVERAGE28%7%11%17%24%13%
Price
£76.47/MWh
Day average £76.47
Demand26.5GW
Generation 21.2Transfers 5.3
Fossil fuels17%
Renewables39%
Other44%
Carbon intensityLow
99g/kWh
0Day average 99300
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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 Monday 5 May 2025, wind supplied 28% of Great Britain’s electricity and gas 17%. Demand peaked at 31.8 GW at 17:55. Carbon intensity averaged 99 g/kWh and the price £76.47/MWh. Wind generation peaked at 10.5 GW at 00:15. Solar generation peaked at 8.4 GW at 13:30. Carbon intensity was lowest at 03:00 (66 g/kWh) and highest at 20:30 (171 g/kWh). The wholesale price ranged from £60.35/MWh at 09:30 to £88.48/MWh at 07:30. Wind made 37% 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 3.0911.1%Wind 7.7627.8%Gas 4.7417.0%Hydro 0.140.5%Biomass 2.007.2%Nuclear 3.5212.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.5avgGeneration 21.2avgTransfers 5.3avg
The day in figurespeaks, averages, totals
Peak demand31.8GW · 17:55
Low 19.4 · 05:55Avg 26.50–40 GW
Made in Great Britain80%of demand
Generation 21.2Transfers 5.3 GW
Net imports125GWh
In
157 Out
32
Zero-carbon share68%of generation
Nuclear 17%Hydro 1%Wind 37%Solar 15%

Transfers · Mon 5 May

Interconnectors and storage

On Monday 5 May 2025, Great Britain imported 157 GWh and exported 32 GWh through its interconnectors. The most came from France (84 GWh), and the most exports went to Ireland (22 GWh).

All interconnectors

Mon 5 May
Imported
157GWh
Exported
32GWh
Net in
125GWh
Average net flow
5.21GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.54GWImporting

In 14.7 GWhOut 1.8 GWh

Denmark

Viking Link

Average0.52GWImporting

In 14.8 GWhOut 2.2 GWh

France

IFA · IFA2 · ElecLink

Average3.50GWImporting

In 83.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.94GWExporting

In 0.0 GWhOut 22.4 GWh

Netherlands

BritNed

Average0.24GWImporting

In 11.7 GWhOut 5.8 GWh

Norway

North Sea Link

Average1.35GWImporting

In 32.4 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.07GWGenerating

Generated 2.7 GWhPumped 1.0 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.