Electricity Live

Great Britain’s electricity on Saturday 20 May 2023

On Saturday 20 May, demand averaged 24.8 GW. Renewables supplied 33%.

24.8GW AVERAGEWind4.92 GW19%Hydro0.13 GW1%Biomass0.24 GW1%Solar3.58 GW14%Gas5.52 GW21%Imports6.98 GW27%Nuclear4.60 GW18%24.8GW AVERAGE19%14%21%27%18%
Price
£66.24/MWh
Day average £66.24
Demand24.8GW
Generation 19.0Transfers 5.9
Fossil fuels21%
Renewables33%
Other45%
Carbon intensityLow
103g/kWh
0Day average 103300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Records set on this day

All records

Key moments

On Saturday 20 May 2023, gas supplied 21% of Great Britain’s electricity and wind 19%. Demand peaked at 29.3 GW at 11:00. Carbon intensity averaged 103 g/kWh and the price £66.24/MWh. Wind generation peaked at 6.0 GW at 19:55. Solar generation peaked at 10.2 GW at 12:30. Carbon intensity was lowest at 13:30 (54 g/kWh) and highest at 21:00 (147 g/kWh). The wholesale price ranged from £37.97/MWh at 15:00 to £93.27/MWh at 01:30. Gas made 29% 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 3.5813.8%Wind 4.9219.0%Gas 5.5221.2%Hydro 0.130.5%Biomass 0.240.9%Nuclear 4.6017.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 24.8avgGeneration 19.0avgTransfers 5.9avg
The day in figurespeaks, averages, totals
Peak demand29.3GW · 11:00
Low 19.1 · 05:10Avg 24.80–30 GW
Made in Great Britain76%of demand
Generation 19.0Transfers 5.9 GW
Net imports145GWh
In
167 Out
21
Zero-carbon share70%of generation
Nuclear 24%Hydro 1%Wind 26%Solar 19%

Transfers · Sat 20 May

Interconnectors and storage

On Saturday 20 May 2023, Great Britain imported 167 GWh and exported 21 GWh through its interconnectors. The most came from France (93 GWh), and the most exports went to Ireland (21 GWh).

All interconnectors

Sat 20 May
Imported
167GWh
Exported
21GWh
Net in
145GWh
Average net flow
6.05GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.87GWImporting

In 20.8 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.86GWImporting

In 92.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.89GWExporting

In 0.0 GWhOut 21.4 GWh

Netherlands

BritNed

Average0.96GWImporting

In 23.1 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.25GWImporting

In 30.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.19GWPumping

Generated 0.9 GWhPumped 5.5 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.