Electricity Live

Great Britain’s electricity on Friday 30 May 2025

On Friday 30 May, demand averaged 27.4 GW. Renewables supplied 44%.

27.4GW AVERAGEWind9.24 GW31%Hydro0.31 GW1%Biomass1.77 GW6%Solar3.40 GW12%Gas4.68 GW16%Imports5.16 GW18%Nuclear4.90 GW17%27.4GW AVERAGE31%12%16%18%17%
Price
£70.14/MWh
Day average £70.14
Demand27.4GW
Generation 24.3Transfers 3.1
Fossil fuels16%
Renewables44%
Other40%
Carbon intensityLow
91g/kWh
0Day average 91300
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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 30 May 2025, wind supplied 31% of Great Britain’s electricity and nuclear 17%. Demand peaked at 33.6 GW at 10:00. Carbon intensity averaged 91 g/kWh and the price £70.14/MWh. Wind generation peaked at 13.9 GW at 08:35. Solar generation peaked at 9.2 GW at 13:00. Carbon intensity was lowest at 00:30 (47 g/kWh) and highest at 20:00 (184 g/kWh). The wholesale price ranged from £29.60/MWh at 11:30 to £111.12/MWh at 20:30. Wind made 38% 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 3.4011.5%Wind 9.2431.4%Gas 4.6815.9%Hydro 0.311.0%Biomass 1.776.0%Nuclear 4.9016.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.4avgGeneration 24.3avgTransfers 3.1avg
The day in figurespeaks, averages, totals
Peak demand33.6GW · 10:00
Low 20.9 · 05:45Avg 27.40–40 GW
Made in Great Britain89%of demand
Generation 24.3Transfers 3.1 GW
Net imports73GWh
In
119 Out
47
Zero-carbon share73%of generation
Nuclear 20%Hydro 1%Wind 38%Solar 14%

Transfers · Fri 30 May

Interconnectors and storage

On Friday 30 May 2025, Great Britain imported 119 GWh and exported 47 GWh through its interconnectors. The most came from France (52 GWh), and the most exports went to Ireland (30 GWh).

All interconnectors

Fri 30 May
Imported
119GWh
Exported
47GWh
Net in
73GWh
Average net flow
3.03GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.16GWImporting

In 10.4 GWhOut 6.6 GWh

Denmark

Viking Link

Average0.97GWImporting

In 23.2 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.16GWImporting

In 51.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.25GWExporting

In 0.0 GWhOut 30.0 GWh

Netherlands

BritNed

Average0.14GWImporting

In 10.7 GWhOut 7.3 GWh

Norway

North Sea Link

Average0.85GWImporting

In 23.0 GWhOut 2.5 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWGenerating

Generated 4.7 GWhPumped 2.8 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.