Electricity Live

Great Britain’s electricity on Sunday 1 August 2021

On Sunday 1 August, demand averaged 25.4 GW. Renewables supplied 16%.

25.4GW AVERAGEWind2.54 GW10%Hydro0.10 GW0%Biomass2.03 GW8%Solar1.59 GW6%Gas11.12 GW43%Coal0.63 GW2%Imports4.34 GW17%Nuclear3.80 GW15%25.4GW AVERAGE10%8%43%17%15%
Price
£91.71/MWh
Day average £91.71
Demand25.4GW
Generation 21.8Transfers 3.6
Fossil fuels43%
Renewables16%
Other39%
Carbon intensityModerate
219g/kWh
0Day average 219300
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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 Sunday 1 August 2021, gas supplied 43% of Great Britain’s electricity and nuclear 15%. Demand peaked at 31.2 GW at 17:25. Carbon intensity averaged 219 g/kWh and the price £91.71/MWh. Wind generation peaked at 3.3 GW at 15:30. Solar generation peaked at 4.6 GW at 14:00. Carbon intensity was lowest at 14:00 (200 g/kWh) and highest at 21:30 (252 g/kWh). The wholesale price ranged from £69.83/MWh at 05:30 to £120.02/MWh at 12:30. Gas made 51% of the electricity generated in Great Britain, compared with 42% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.596.1%Wind 2.549.7%Gas 11.1242.5%Hydro 0.100.4%Biomass 2.037.8%Nuclear 3.8014.5%Coal 0.632.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 25.4avgGeneration 21.8avgTransfers 3.6avg
The day in figurespeaks, averages, totals
Peak demand31.2GW · 17:25
Low 18.6 · 05:25Avg 25.40–40 GW
Made in Great Britain86%of demand
Generation 21.8Transfers 3.6 GW
Net imports90GWh
In
102 Out
12
Zero-carbon share37%of generation
Nuclear 17%Hydro 0%Wind 12%Solar 7%

Transfers · Sun 1 Aug

Interconnectors and storage

On Sunday 1 August 2021, Great Britain imported 102 GWh and exported 12 GWh through its interconnectors. The most came from France (63 GWh), and the most exports went to Ireland (12 GWh).

All interconnectors

Sun 1 Aug
Imported
102GWh
Exported
12GWh
Net in
90GWh
Average net flow
3.74GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.89GWImporting

In 21.4 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.61GWImporting

In 62.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.52GWExporting

In 0.0 GWhOut 12.4 GWh

Netherlands

BritNed

Average0.75GWImporting

In 18.1 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.12GWPumping

Generated 1.8 GWhPumped 4.6 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.