Electricity Live

Great Britain’s electricity on Tuesday 4 July 2023

On Tuesday 4 July, demand averaged 27.2 GW. Renewables supplied 33%.

27.2GW AVERAGEWind7.82 GW27%Hydro0.16 GW1%Biomass1.17 GW4%Solar1.59 GW6%Gas7.91 GW27%Coal0.12 GW0%Imports4.75 GW16%Nuclear5.28 GW18%27.2GW AVERAGE27%27%16%18%
Price
£89.43/MWh
Day average £89.43
Demand27.2GW
Generation 24.0Transfers 3.1
Fossil fuels27%
Renewables33%
Other39%
Carbon intensityModerate
131g/kWh
0Day average 131300
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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 4 July 2023, gas supplied 27% of Great Britain’s electricity and wind 27%. Demand peaked at 32.8 GW at 15:55. Carbon intensity averaged 131 g/kWh and the price £89.43/MWh. Wind generation peaked at 14.0 GW at 01:20. Solar generation peaked at 4.5 GW at 12:30. Carbon intensity was lowest at 00:30 (62 g/kWh) and highest at 21:30 (208 g/kWh). The wholesale price ranged from £18.69/MWh at 03:00 to £148.88/MWh at 19:00. Gas made 33% 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 1.595.5%Wind 7.8227.2%Gas 7.9127.5%Hydro 0.160.5%Biomass 1.174.1%Nuclear 5.2818.3%Coal 0.120.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.2avgGeneration 24.0avgTransfers 3.1avg
The day in figurespeaks, averages, totals
Peak demand32.8GW · 15:55
Low 19.4 · 05:00Avg 27.20–40 GW
Made in Great Britain88%of demand
Generation 24.0Transfers 3.1 GW
Net imports70GWh
In
107 Out
38
Zero-carbon share62%of generation
Nuclear 22%Hydro 1%Wind 33%Solar 7%

Transfers · Tue 4 Jul

Interconnectors and storage

On Tuesday 4 July 2023, Great Britain imported 107 GWh and exported 38 GWh through its interconnectors. The most came from France (58 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Tue 4 Jul
Imported
107GWh
Exported
38GWh
Net in
70GWh
Average net flow
2.90GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.11GWImporting

In 9.9 GWhOut 7.3 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.10GWImporting

In 58.4 GWhOut 7.9 GWh

Ireland

Moyle · East–West · Greenlink

Average0.52GWExporting

In 0.9 GWhOut 13.3 GWh

Netherlands

BritNed

Average0.01GWExporting

In 9.0 GWhOut 9.2 GWh

Norway

North Sea Link

Average1.22GWImporting

In 29.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.23GWGenerating

Generated 6.6 GWhPumped 1.1 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.