Electricity Live

Great Britain’s electricity on Wednesday 3 May 2023

On Wednesday 3 May, demand averaged 29.3 GW. Renewables supplied 34%.

29.3GW AVERAGEWind6.75 GW23%Hydro0.14 GW0%Biomass1.23 GW4%Solar3.27 GW11%Gas10.76 GW36%Imports3.96 GW13%Nuclear3.55 GW12%29.3GW AVERAGE23%11%36%13%12%
Price
£85.51/MWh
Day average £85.51
Demand29.3GW
Generation 25.7Transfers 3.6
Fossil fuels36%
Renewables34%
Other29%
Carbon intensityModerate
161g/kWh
0Day average 161300
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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 Wednesday 3 May 2023, gas supplied 36% of Great Britain’s electricity and wind 23%. Demand peaked at 35.2 GW at 12:05. Carbon intensity averaged 161 g/kWh and the price £85.51/MWh. Wind generation peaked at 13.8 GW at 23:30. Solar generation peaked at 9.6 GW at 13:00. Carbon intensity was lowest at 23:30 (69 g/kWh) and highest at 05:00 (238 g/kWh). The wholesale price ranged from £55.80/MWh at 23:30 to £121.36/MWh at 06:30. Gas made 42% of the electricity generated in Great Britain, compared with 36% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 3.2711.0%Wind 6.7522.7%Gas 10.7636.3%Hydro 0.140.5%Biomass 1.234.2%Nuclear 3.5512.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.3avgGeneration 25.7avgTransfers 3.6avg
The day in figurespeaks, averages, totals
Peak demand35.2GW · 12:05
Low 20.9 · 04:00Avg 29.30–40 GW
Made in Great Britain88%of demand
Generation 25.7Transfers 3.6 GW
Net imports85GWh
In
91 Out
7
Zero-carbon share53%of generation
Nuclear 14%Hydro 1%Wind 26%Solar 13%

Transfers · Wed 3 May

Interconnectors and storage

On Wednesday 3 May 2023, Great Britain imported 91 GWh and exported 7 GWh through its interconnectors. The most came from France (62 GWh), and the most exports went to Netherlands (2 GWh).

All interconnectors

Wed 3 May
Imported
91GWh
Exported
7GWh
Net in
85GWh
Average net flow
3.52GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.30GWImporting

In 8.9 GWhOut 1.7 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.57GWImporting

In 61.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.08GWImporting

In 4.2 GWhOut 2.2 GWh

Netherlands

BritNed

Average0.37GWImporting

In 11.0 GWhOut 2.2 GWh

Norway

North Sea Link

Average0.20GWImporting

In 5.6 GWhOut 0.8 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.07GWGenerating

Generated 3.6 GWhPumped 1.8 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.