Electricity Live

Great Britain’s electricity on Monday 31 July 2023

On Monday 31 July, demand averaged 26.6 GW. Renewables supplied 46%.

26.6GW AVERAGEWind11.21 GW41%Hydro0.25 GW1%Biomass1.65 GW6%Solar1.01 GW4%Gas6.39 GW23%Imports3.85 GW14%Nuclear2.91 GW11%26.6GW AVERAGE41%23%14%11%
Price
£61.69/MWh
Day average £61.69
Demand26.6GW
Generation 23.4Transfers 3.1
Fossil fuels23%
Renewables46%
Other31%
Carbon intensityLow
112g/kWh
0Day average 112300
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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 Monday 31 July 2023, wind supplied 41% of Great Britain’s electricity and gas 23%. Demand peaked at 32.4 GW at 17:55. Carbon intensity averaged 112 g/kWh and the price £61.69/MWh. Wind generation peaked at 13.5 GW at 13:40. Solar generation peaked at 2.9 GW at 16:30. Carbon intensity was lowest at 23:00 (88 g/kWh) and highest at 20:30 (132 g/kWh). The wholesale price ranged from £18.65/MWh at 02:30 to £91.89/MWh at 12:00. Wind made 48% of the electricity generated in Great Britain, compared with 33% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.013.7%Wind 11.2141.1%Gas 6.3923.4%Hydro 0.250.9%Biomass 1.656.1%Nuclear 2.9110.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.6avgGeneration 23.4avgTransfers 3.1avg
The day in figurespeaks, averages, totals
Peak demand32.4GW · 17:55
Low 18.2 · 04:25Avg 26.60–40 GW
Made in Great Britain88%of demand
Generation 23.4Transfers 3.1 GW
Net imports75GWh
In
90 Out
15
Zero-carbon share66%of generation
Nuclear 12%Hydro 1%Wind 48%Solar 4%

Transfers · Mon 31 Jul

Interconnectors and storage

On Monday 31 July 2023, Great Britain imported 90 GWh and exported 15 GWh through its interconnectors. The most came from France (42 GWh), and the most exports went to Ireland (8 GWh).

All interconnectors

Mon 31 Jul
Imported
90GWh
Exported
15GWh
Net in
75GWh
Average net flow
3.14GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.54GWImporting

In 13.8 GWhOut 0.9 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.68GWImporting

In 41.9 GWhOut 1.6 GWh

Ireland

Moyle · East–West · Greenlink

Average0.31GWExporting

In 0.4 GWhOut 7.8 GWh

Netherlands

BritNed

Average0.14GWImporting

In 7.7 GWhOut 4.3 GWh

Norway

North Sea Link

Average1.09GWImporting

In 26.1 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.00GWIdle

Generated 2.5 GWhPumped 2.5 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.