Electricity Live

Great Britain’s electricity on Saturday 29 July 2023

On Saturday 29 July, demand averaged 23.8 GW. Renewables supplied 55%.

23.8GW AVERAGEWind10.55 GW43%Hydro0.20 GW1%Biomass0.63 GW3%Solar2.80 GW11%Gas4.73 GW19%Coal0.02 GW0%Imports3.18 GW13%Nuclear2.68 GW11%23.8GW AVERAGE43%11%19%13%11%
Price
£64.78/MWh
Day average £64.78
Demand23.8GW
Generation 21.6Transfers 2.2
Fossil fuels19%
Renewables55%
Other26%
Carbon intensityLow
95g/kWh
0Day average 95300
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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 Saturday 29 July 2023, wind supplied 43% of Great Britain’s electricity and gas 19%. Demand peaked at 28.7 GW at 13:00. Carbon intensity averaged 95 g/kWh and the price £64.78/MWh. Wind generation peaked at 13.4 GW at 15:30. Solar generation peaked at 8.4 GW at 13:00. Carbon intensity was lowest at 16:30 (57 g/kWh) and highest at 01:30 (124 g/kWh). The wholesale price ranged from £24.06/MWh at 13:30 to £86.97/MWh at 23:30. Wind made 49% 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 2.8011.3%Wind 10.5542.5%Gas 4.7319.1%Hydro 0.200.8%Biomass 0.632.6%Nuclear 2.6810.8%Coal 0.020.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 23.8avgGeneration 21.6avgTransfers 2.2avg
The day in figurespeaks, averages, totals
Peak demand28.7GW · 13:00
Low 17.9 · 04:50Avg 23.80–30 GW
Made in Great Britain91%of demand
Generation 21.6Transfers 2.2 GW
Net imports59GWh
In
74 Out
15
Zero-carbon share75%of generation
Nuclear 12%Hydro 1%Wind 49%Solar 13%

Transfers · Sat 29 Jul

Interconnectors and storage

On Saturday 29 July 2023, Great Britain imported 74 GWh and exported 15 GWh through its interconnectors. The most came from Norway (29 GWh), and the most exports went to Netherlands (7 GWh).

All interconnectors

Sat 29 Jul
Imported
74GWh
Exported
15GWh
Net in
59GWh
Average net flow
2.47GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.26GWImporting

In 7.9 GWhOut 1.6 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.93GWImporting

In 26.9 GWhOut 4.7 GWh

Ireland

Moyle · East–West · Greenlink

Average0.05GWImporting

In 2.4 GWhOut 1.2 GWh

Netherlands

BritNed

Average0.02GWImporting

In 8.0 GWhOut 7.5 GWh

Norway

North Sea Link

Average1.22GWImporting

In 29.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.28GWPumping

Generated 2.0 GWhPumped 8.8 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.