Electricity Live

Great Britain’s electricity on Friday 2 May 2025

On Friday 2 May, demand averaged 27.5 GW. Renewables supplied 34%.

27.5GW AVERAGEWind5.84 GW20%Hydro0.13 GW0%Biomass2.79 GW10%Solar3.92 GW13%Gas7.75 GW27%Imports5.54 GW19%Nuclear3.18 GW11%27.5GW AVERAGE20%10%13%27%19%11%
Price
£74.80/MWh
Day average £74.80
Demand27.5GW
Generation 23.6Transfers 3.9
Fossil fuels27%
Renewables34%
Other40%
Carbon intensityModerate
136g/kWh
0Day average 136300
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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 2 May 2025, gas supplied 27% of Great Britain’s electricity and wind 20%. Demand peaked at 34.0 GW at 11:30. Carbon intensity averaged 136 g/kWh and the price £74.80/MWh. Wind generation peaked at 8.3 GW at 03:15. Solar generation peaked at 12.4 GW at 13:00. Carbon intensity was lowest at 13:00 (76 g/kWh) and highest at 20:00 (195 g/kWh). The wholesale price ranged from £52.55/MWh at 15:00 to £103.92/MWh at 19:30. Gas made 33% 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 3.9213.4%Wind 5.8420.0%Gas 7.7526.6%Hydro 0.130.5%Biomass 2.799.6%Nuclear 3.1810.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.5avgGeneration 23.6avgTransfers 3.9avg
The day in figurespeaks, averages, totals
Peak demand34.0GW · 11:30
Low 20.5 · 04:55Avg 27.50–40 GW
Made in Great Britain86%of demand
Generation 23.6Transfers 3.9 GW
Net imports93GWh
In
131 Out
38
Zero-carbon share55%of generation
Nuclear 13%Hydro 1%Wind 25%Solar 17%

Transfers · Fri 2 May

Interconnectors and storage

On Friday 2 May 2025, Great Britain imported 131 GWh and exported 38 GWh through its interconnectors. The most came from France (66 GWh), and the most exports went to Ireland (22 GWh).

All interconnectors

Fri 2 May
Imported
131GWh
Exported
38GWh
Net in
93GWh
Average net flow
3.86GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.02GWExporting

In 8.0 GWhOut 8.5 GWh

Denmark

Viking Link

Average0.57GWImporting

In 14.3 GWhOut 0.6 GWh

France

IFA · IFA2 · ElecLink

Average2.75GWImporting

In 66.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.92GWExporting

In 0.0 GWhOut 22.1 GWh

Netherlands

BritNed

Average0.08GWImporting

In 9.0 GWhOut 7.2 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWGenerating

Generated 2.0 GWhPumped 1.7 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.