Electricity Live

Great Britain’s electricity on Wednesday 10 May 2023

On Wednesday 10 May, demand averaged 28.9 GW. Renewables supplied 22%.

28.9GW AVERAGEWind3.75 GW13%Hydro0.18 GW1%Biomass1.24 GW4%Solar2.45 GW8%Gas13.44 GW45%Imports5.05 GW17%Nuclear3.57 GW12%28.9GW AVERAGE13%8%45%17%12%
Price
£89.54/MWh
Day average £89.54
Demand28.9GW
Generation 24.6Transfers 4.3
Fossil fuels45%
Renewables22%
Other33%
Carbon intensityModerate
196g/kWh
0Day average 196300
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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 10 May 2023, gas supplied 45% of Great Britain’s electricity and wind 13%. Demand peaked at 34.6 GW at 12:10. Carbon intensity averaged 196 g/kWh and the price £89.54/MWh. Wind generation peaked at 6.0 GW at 15:35. Solar generation peaked at 6.7 GW at 13:30. Carbon intensity was lowest at 14:30 (151 g/kWh) and highest at 23:30 (252 g/kWh). The wholesale price ranged from £74.66/MWh at 16:00 to £142.29/MWh at 07:30. Gas made 55% 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 2.458.2%Wind 3.7512.6%Gas 13.4445.3%Hydro 0.180.6%Biomass 1.244.2%Nuclear 3.5712.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.9avgGeneration 24.6avgTransfers 4.3avg
The day in figurespeaks, averages, totals
Peak demand34.6GW · 12:10
Low 20.4 · 05:00Avg 28.90–40 GW
Made in Great Britain85%of demand
Generation 24.6Transfers 4.3 GW
Net imports106GWh
In
116 Out
11
Zero-carbon share40%of generation
Nuclear 14%Hydro 1%Wind 15%Solar 10%

Transfers · Wed 10 May

Interconnectors and storage

On Wednesday 10 May 2023, Great Britain imported 116 GWh and exported 11 GWh through its interconnectors. The most came from France (69 GWh), and the most exports went to Netherlands (8 GWh).

All interconnectors

Wed 10 May
Imported
116GWh
Exported
11GWh
Net in
106GWh
Average net flow
4.40GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.23GWImporting

In 7.4 GWhOut 2.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.87GWImporting

In 68.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.17GWImporting

In 4.6 GWhOut 0.5 GWh

Netherlands

BritNed

Average0.14GWExporting

In 5.1 GWhOut 8.4 GWh

Norway

North Sea Link

Average1.27GWImporting

In 30.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.14GWPumping

Generated 4.8 GWhPumped 8.1 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.