Electricity Live

Great Britain’s electricity on Tuesday 18 July 2023

On Tuesday 18 July, demand averaged 27.1 GW. Renewables supplied 14%.

27.1GW AVERAGEWind1.60 GW6%Hydro0.36 GW1%Biomass1.79 GW6%Solar1.94 GW7%Gas13.32 GW47%Coal0.20 GW1%Imports4.51 GW16%Nuclear4.44 GW16%27.1GW AVERAGE47%16%16%
Price
£90.77/MWh
Day average £90.77
Demand27.1GW
Generation 23.6Transfers 3.4
Fossil fuels47%
Renewables14%
Other38%
Carbon intensityHigh
222g/kWh
0Day average 222300
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Key moments

On Tuesday 18 July 2023, gas supplied 47% of Great Britain’s electricity and nuclear 16%. Demand peaked at 32.7 GW at 13:05. Carbon intensity averaged 222 g/kWh and the price £90.77/MWh. Wind generation peaked at 4.0 GW at 00:00. Solar generation peaked at 5.6 GW at 11:30. Carbon intensity was lowest at 10:00 (187 g/kWh) and highest at 21:30 (260 g/kWh). The wholesale price ranged from £57.33/MWh at 02:00 to £189.37/MWh at 19:00. 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 1.946.9%Wind 1.605.7%Gas 13.3247.3%Hydro 0.361.3%Biomass 1.796.4%Nuclear 4.4415.8%Coal 0.200.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.1avgGeneration 23.6avgTransfers 3.4avg
The day in figurespeaks, averages, totals
Peak demand32.7GW · 13:05
Low 18.8 · 04:50Avg 27.10–40 GW
Made in Great Britain87%of demand
Generation 23.6Transfers 3.4 GW
Net imports80GWh
In
104 Out
24
Zero-carbon share35%of generation
Nuclear 19%Hydro 2%Wind 7%Solar 8%

Transfers · Tue 18 Jul

Interconnectors and storage

On Tuesday 18 July 2023, Great Britain imported 104 GWh and exported 24 GWh through its interconnectors. The most came from France (45 GWh), and the most exports went to France (11 GWh).

All interconnectors

Tue 18 Jul
Imported
104GWh
Exported
24GWh
Net in
80GWh
Average net flow
3.33GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.40GWImporting

In 11.7 GWhOut 2.1 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.41GWImporting

In 44.7 GWhOut 10.8 GWh

Ireland

Moyle · East–West · Greenlink

Average0.01GWExporting

In 3.8 GWhOut 4.2 GWh

Netherlands

BritNed

Average0.13GWImporting

In 9.9 GWhOut 6.8 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWGenerating

Generated 4.5 GWhPumped 2.4 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.