Electricity Live

Great Britain’s electricity on Thursday 8 May 2025

On Thursday 8 May, demand averaged 28.6 GW. Renewables supplied 21%.

28.6GW AVERAGEWind3.35 GW11%Hydro0.13 GW0%Biomass2.89 GW10%Solar2.87 GW9%Gas11.97 GW40%Imports5.44 GW18%Nuclear3.59 GW12%28.6GW AVERAGE11%10%9%40%18%12%
Price
£94.31/MWh
Day average £94.31
Demand28.6GW
Generation 24.8Transfers 3.8
Fossil fuels40%
Renewables21%
Other39%
Carbon intensityHigh
188g/kWh
0Day average 188300
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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 Thursday 8 May 2025, gas supplied 40% of Great Britain’s electricity and nuclear 12%. Demand peaked at 34.4 GW at 11:00. Carbon intensity averaged 188 g/kWh and the price £94.31/MWh. Wind generation peaked at 4.5 GW at 00:00. Solar generation peaked at 7.9 GW at 12:00. Carbon intensity was lowest at 12:00 (147 g/kWh) and highest at 20:30 (235 g/kWh). The wholesale price ranged from £74.88/MWh at 13:30 to £133.64/MWh at 19:30. Gas made 48% of the electricity generated in Great Britain, compared with 32% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.879.5%Wind 3.3511.1%Gas 11.9739.6%Hydro 0.130.4%Biomass 2.899.6%Nuclear 3.5911.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.6avgGeneration 24.8avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand34.4GW · 11:00
Low 20.8 · 05:20Avg 28.60–40 GW
Made in Great Britain87%of demand
Generation 24.8Transfers 3.8 GW
Net imports90GWh
In
129 Out
39
Zero-carbon share40%of generation
Nuclear 14%Hydro 1%Wind 13%Solar 12%

Transfers · Thu 8 May

Interconnectors and storage

On Thursday 8 May 2025, Great Britain imported 129 GWh and exported 39 GWh through its interconnectors. The most came from France (84 GWh), and the most exports went to Ireland (23 GWh).

All interconnectors

Thu 8 May
Imported
129GWh
Exported
39GWh
Net in
90GWh
Average net flow
3.75GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.66GWImporting

In 16.7 GWhOut 1.0 GWh

Denmark

Viking Link

Average0.02GWImporting

In 7.6 GWhOut 7.0 GWh

France

IFA · IFA2 · ElecLink

Average3.49GWImporting

In 83.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.96GWExporting

In 0.0 GWhOut 23.1 GWh

Netherlands

BritNed

Average0.06GWImporting

In 9.2 GWhOut 7.8 GWh

Norway

North Sea Link

Average0.48GWImporting

In 12.0 GWhOut 0.4 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWGenerating

Generated 1.0 GWhPumped 0.4 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.