Electricity Live

Great Britain’s electricity on Saturday 4 May 2024

On Saturday 4 May, demand averaged 26.1 GW. Renewables supplied 26%.

26.1GW AVERAGEWind4.17 GW15%Hydro0.34 GW1%Biomass2.01 GW7%Solar2.78 GW10%Gas7.22 GW26%Coal0.24 GW1%Imports5.72 GW21%Nuclear5.37 GW19%26.1GW AVERAGE15%7%10%26%21%19%
Price
£74.59/MWh
Day average £74.59
Demand26.1GW
Generation 22.1Transfers 4.0
Fossil fuels26%
Renewables26%
Other47%
Carbon intensityModerate
131g/kWh
0Day average 131300
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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 Saturday 4 May 2024, gas supplied 26% of Great Britain’s electricity and nuclear 19%. Demand peaked at 30.7 GW at 12:25. Carbon intensity averaged 131 g/kWh and the price £74.59/MWh. Wind generation peaked at 6.7 GW at 00:00. Solar generation peaked at 8.5 GW at 12:00. Carbon intensity was lowest at 13:30 (94 g/kWh) and highest at 21:00 (191 g/kWh). The wholesale price ranged from £50.40/MWh at 13:30 to £98.53/MWh at 20:30. Gas made 33% of the electricity generated in Great Britain, compared with 31% across 2024.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.7810.0%Wind 4.1715.0%Gas 7.2225.9%Hydro 0.341.2%Biomass 2.017.2%Nuclear 5.3719.3%Coal 0.240.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.1avgGeneration 22.1avgTransfers 4.0avg
The day in figurespeaks, averages, totals
Peak demand30.7GW · 12:25
Low 20.4 · 05:30Avg 26.10–40 GW
Made in Great Britain85%of demand
Generation 22.1Transfers 4.0 GW
Net imports93GWh
In
133 Out
40
Zero-carbon share57%of generation
Nuclear 24%Hydro 2%Wind 19%Solar 13%

Transfers · Sat 4 May

Interconnectors and storage

On Saturday 4 May 2024, Great Britain imported 133 GWh and exported 40 GWh through its interconnectors. The most came from France (70 GWh), and the most exports went to Ireland (23 GWh).

All interconnectors

Sat 4 May
Imported
133GWh
Exported
40GWh
Net in
93GWh
Average net flow
3.86GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.64GWImporting

In 15.4 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.12GWExporting

In 6.8 GWhOut 9.6 GWh

France

IFA · IFA2 · ElecLink

Average2.90GWImporting

In 69.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.97GWExporting

In 0.0 GWhOut 23.3 GWh

Netherlands

BritNed

Average0.00GWIdle

In 7.4 GWhOut 7.3 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWGenerating

Generated 4.5 GWhPumped 2.2 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.