Electricity Live

Great Britain’s electricity on Saturday 7 August 2021

On Saturday 7 August, demand averaged 26.1 GW. Renewables supplied 42%.

26.1GW AVERAGEWind9.42 GW36%Hydro0.18 GW1%Biomass0.97 GW4%Solar1.59 GW6%Gas6.42 GW24%Coal0.56 GW2%Imports3.27 GW12%Nuclear4.11 GW16%26.1GW AVERAGE36%24%12%16%
Price
£90.07/MWh
Day average £90.07
Demand26.1GW
Generation 23.3Transfers 2.8
Fossil fuels24%
Renewables42%
Other31%
Carbon intensityLow
129g/kWh
0Day average 129300
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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 7 August 2021, wind supplied 36% of Great Britain’s electricity and gas 24%. Demand peaked at 31.1 GW at 13:00. Carbon intensity averaged 129 g/kWh and the price £90.07/MWh. Wind generation peaked at 12.0 GW at 00:10. Solar generation peaked at 4.8 GW at 13:30. Carbon intensity was lowest at 01:00 (82 g/kWh) and highest at 21:00 (171 g/kWh). The wholesale price ranged from £32.04/MWh at 03:00 to £122.87/MWh at 12:00. 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 1.596.0%Wind 9.4235.5%Gas 6.4224.2%Hydro 0.180.7%Biomass 0.973.6%Nuclear 4.1115.5%Coal 0.562.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.1avgGeneration 23.3avgTransfers 2.8avg
The day in figurespeaks, averages, totals
Peak demand31.1GW · 13:00
Low 19.3 · 05:40Avg 26.10–40 GW
Made in Great Britain89%of demand
Generation 23.3Transfers 2.8 GW
Net imports69GWh
In
73 Out
4
Zero-carbon share66%of generation
Nuclear 18%Hydro 1%Wind 41%Solar 7%

Transfers · Sat 7 Aug

Interconnectors and storage

On Saturday 7 August 2021, Great Britain imported 73 GWh and exported 4 GWh through its interconnectors. The most came from France (41 GWh), and the most exports went to Netherlands (2 GWh).

All interconnectors

Sat 7 Aug
Imported
73GWh
Exported
4GWh
Net in
69GWh
Average net flow
2.89GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.69GWImporting

In 16.5 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.69GWImporting

In 40.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.19GWImporting

In 6.2 GWhOut 1.5 GWh

Netherlands

BritNed

Average0.33GWImporting

In 10.3 GWhOut 2.5 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWPumping

Generated 4.9 GWhPumped 6.9 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.