Electricity Live

Great Britain’s electricity on Friday 16 May 2025

On Friday 16 May, demand averaged 27.8 GW. Renewables supplied 45%.

27.8GW AVERAGEWind8.44 GW29%Hydro0.17 GW1%Biomass1.21 GW4%Solar4.61 GW16%Gas4.74 GW16%Imports5.07 GW17%Nuclear5.21 GW18%27.8GW AVERAGE29%16%16%17%18%
Price
£67.43/MWh
Day average £67.43
Demand27.8GW
Generation 24.4Transfers 3.4
Fossil fuels16%
Renewables45%
Other39%
Carbon intensityModerate
83g/kWh
0Day average 83300
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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 16 May 2025, wind supplied 29% of Great Britain’s electricity and nuclear 18%. Demand peaked at 33.5 GW at 13:30. Carbon intensity averaged 83 g/kWh and the price £67.43/MWh. Wind generation peaked at 11.1 GW at 17:40. Solar generation peaked at 13.1 GW at 13:00. Carbon intensity was lowest at 12:30 (30 g/kWh) and highest at 21:00 (126 g/kWh). The wholesale price ranged from £12.62/MWh at 15:00 to £95.53/MWh at 21:00. Wind made 35% 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 4.6115.6%Wind 8.4428.7%Gas 4.7416.1%Hydro 0.170.6%Biomass 1.214.1%Nuclear 5.2117.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.8avgGeneration 24.4avgTransfers 3.4avg
The day in figurespeaks, averages, totals
Peak demand33.5GW · 13:30
Low 21.4 · 03:25Avg 27.80–40 GW
Made in Great Britain88%of demand
Generation 24.4Transfers 3.4 GW
Net imports84GWh
In
120 Out
37
Zero-carbon share76%of generation
Nuclear 21%Hydro 1%Wind 35%Solar 19%

Transfers · Fri 16 May

Interconnectors and storage

On Friday 16 May 2025, Great Britain imported 120 GWh and exported 37 GWh through its interconnectors. The most came from France (79 GWh), and the most exports went to Ireland (29 GWh).

All interconnectors

Fri 16 May
Imported
120GWh
Exported
37GWh
Net in
84GWh
Average net flow
3.49GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.07GWImporting

In 8.6 GWhOut 6.9 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.28GWImporting

In 78.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.22GWExporting

In 0.0 GWhOut 29.2 GWh

Netherlands

BritNed

Average0.02GWExporting

In 0.0 GWhOut 0.5 GWh

Norway

North Sea Link

Average1.38GWImporting

In 33.1 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWPumping

Generated 1.3 GWhPumped 3.3 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.