Electricity Live

Great Britain’s electricity on Tuesday 23 May 2023

On Tuesday 23 May, demand averaged 27.7 GW. Renewables supplied 32%.

27.7GW AVERAGEWind6.34 GW22%Hydro0.12 GW0%Biomass0.14 GW0%Solar2.75 GW10%Gas9.39 GW33%Imports4.81 GW17%Nuclear5.30 GW18%27.7GW AVERAGE22%10%33%17%18%
Price
£71.70/MWh
Day average £71.70
Demand27.7GW
Generation 24.0Transfers 3.7
Fossil fuels33%
Renewables32%
Other36%
Carbon intensityLow
134g/kWh
0Day average 134300
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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 Tuesday 23 May 2023, gas supplied 33% of Great Britain’s electricity and wind 22%. Demand peaked at 33.4 GW at 10:00. Carbon intensity averaged 134 g/kWh and the price £71.70/MWh. Wind generation peaked at 10.0 GW at 00:00. Solar generation peaked at 7.9 GW at 13:30. Carbon intensity was lowest at 00:00 (82 g/kWh) and highest at 21:30 (203 g/kWh). The wholesale price ranged from £57.28/MWh at 10:30 to £103.73/MWh at 07:30. Gas made 39% 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 2.759.5%Wind 6.3422.0%Gas 9.3932.6%Hydro 0.120.4%Biomass 0.140.5%Nuclear 5.3018.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.7avgGeneration 24.0avgTransfers 3.7avg
The day in figurespeaks, averages, totals
Peak demand33.4GW · 10:00
Low 19.8 · 03:25Avg 27.70–40 GW
Made in Great Britain87%of demand
Generation 24.0Transfers 3.7 GW
Net imports93GWh
In
115 Out
23
Zero-carbon share60%of generation
Nuclear 22%Hydro 1%Wind 26%Solar 11%

Transfers · Tue 23 May

Interconnectors and storage

On Tuesday 23 May 2023, Great Britain imported 115 GWh and exported 23 GWh through its interconnectors. The most came from France (74 GWh), and the most exports went to Ireland (21 GWh).

All interconnectors

Tue 23 May
Imported
115GWh
Exported
23GWh
Net in
93GWh
Average net flow
3.86GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.35GWImporting

In 9.9 GWhOut 1.4 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.10GWImporting

In 74.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.88GWExporting

In 0.0 GWhOut 21.2 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.30GWImporting

In 31.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.21GWPumping

Generated 0.2 GWhPumped 5.1 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.