Electricity Live

Great Britain’s electricity on Tuesday 9 May 2023

On Tuesday 9 May, demand averaged 28.5 GW. Renewables supplied 18%.

28.5GW AVERAGEWind3.22 GW11%Hydro0.20 GW1%Biomass1.25 GW4%Solar1.97 GW7%Gas13.20 GW45%Imports5.74 GW20%Nuclear3.57 GW12%28.5GW AVERAGE11%45%20%12%
Price
£102.21/MWh
Day average £102.21
Demand28.5GW
Generation 23.4Transfers 5.1
Fossil fuels45%
Renewables18%
Other36%
Carbon intensityHigh
194g/kWh
0Day average 194300
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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 9 May 2023, gas supplied 45% of Great Britain’s electricity and nuclear 12%. Demand peaked at 34.8 GW at 13:00. Carbon intensity averaged 194 g/kWh and the price £102.21/MWh. Wind generation peaked at 7.1 GW at 00:45. Solar generation peaked at 6.4 GW at 13:30. Carbon intensity was lowest at 00:30 (126 g/kWh) and highest at 21:30 (239 g/kWh). The wholesale price ranged from £78.00/MWh at 01:30 to £141.25/MWh at 18:00. Gas made 56% 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 1.976.7%Wind 3.2211.0%Gas 13.2045.3%Hydro 0.200.7%Biomass 1.254.3%Nuclear 3.5712.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.5avgGeneration 23.4avgTransfers 5.1avg
The day in figurespeaks, averages, totals
Peak demand34.8GW · 13:00
Low 19.5 · 04:35Avg 28.50–40 GW
Made in Great Britain82%of demand
Generation 23.4Transfers 5.1 GW
Net imports120GWh
In
131 Out
11
Zero-carbon share38%of generation
Nuclear 15%Hydro 1%Wind 14%Solar 8%

Transfers · Tue 9 May

Interconnectors and storage

On Tuesday 9 May 2023, Great Britain imported 131 GWh and exported 11 GWh through its interconnectors. The most came from France (77 GWh), and the most exports went to Ireland (9 GWh).

All interconnectors

Tue 9 May
Imported
131GWh
Exported
11GWh
Net in
120GWh
Average net flow
5.01GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.47GWImporting

In 11.6 GWhOut 0.3 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.23GWImporting

In 77.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.25GWExporting

In 3.2 GWhOut 9.1 GWh

Netherlands

BritNed

Average0.30GWImporting

In 8.6 GWhOut 1.3 GWh

Norway

North Sea Link

Average1.26GWImporting

In 30.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.12GWGenerating

Generated 6.8 GWhPumped 3.9 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.