Electricity Live

Great Britain’s electricity on Thursday 29 July 2021

On Thursday 29 July, demand averaged 28.6 GW. Renewables supplied 44%.

28.6GW AVERAGEWind10.68 GW36%Hydro0.17 GW1%Biomass1.98 GW7%Solar2.31 GW8%Gas7.04 GW24%Coal0.33 GW1%Imports3.80 GW13%Nuclear3.49 GW12%28.6GW AVERAGE36%8%24%13%12%
Price
£71.56/MWh
Day average £71.56
Demand28.6GW
Generation 26.0Transfers 2.6
Fossil fuels24%
Renewables44%
Other31%
Carbon intensityLow
126g/kWh
0Day average 126300
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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 Thursday 29 July 2021, wind supplied 36% of Great Britain’s electricity and gas 24%. Demand peaked at 34.4 GW at 13:35. Carbon intensity averaged 126 g/kWh and the price £71.56/MWh. Wind generation peaked at 13.6 GW at 12:15. Solar generation peaked at 6.6 GW at 11:00. Carbon intensity was lowest at 02:30 (83 g/kWh) and highest at 22:00 (220 g/kWh). The wholesale price ranged from £6.43/MWh at 03:00 to £126.66/MWh at 20:00. Wind made 41% of the electricity generated in Great Britain, compared with 25% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.317.7%Wind 10.6835.9%Gas 7.0423.6%Hydro 0.170.6%Biomass 1.986.6%Nuclear 3.4911.7%Coal 0.331.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.6avgGeneration 26.0avgTransfers 2.6avg
The day in figurespeaks, averages, totals
Peak demand34.4GW · 13:35
Low 19.8 · 03:20Avg 28.60–40 GW
Made in Great Britain91%of demand
Generation 26.0Transfers 2.6 GW
Net imports71GWh
In
88 Out
16
Zero-carbon share64%of generation
Nuclear 13%Hydro 1%Wind 41%Solar 9%

Transfers · Thu 29 Jul

Interconnectors and storage

On Thursday 29 July 2021, Great Britain imported 88 GWh and exported 16 GWh through its interconnectors. The most came from France (50 GWh), and the most exports went to Ireland (16 GWh).

All interconnectors

Thu 29 Jul
Imported
88GWh
Exported
16GWh
Net in
71GWh
Average net flow
2.96GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.84GWImporting

In 20.1 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.07GWImporting

In 49.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.67GWExporting

In 0.3 GWhOut 16.4 GWh

Netherlands

BritNed

Average0.72GWImporting

In 17.4 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.36GWPumping

Generated 3.6 GWhPumped 12.3 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.