Electricity Live

Great Britain’s electricity on Wednesday 6 October 2021

On Wednesday 6 October, demand averaged 31.9 GW. Renewables supplied 35%.

31.9GW AVERAGEWind9.44 GW29%Hydro0.51 GW2%Biomass2.29 GW7%Solar1.61 GW5%Gas11.56 GW35%Coal0.38 GW1%Imports3.08 GW9%Nuclear3.95 GW12%31.9GW AVERAGE29%35%9%12%
Price
£201.79/MWh
Day average £201.79
Demand31.9GW
Generation 29.7Transfers 2.2
Fossil fuels35%
Renewables35%
Other28%
Carbon intensityModerate
171g/kWh
0Day average 171300
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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 Wednesday 6 October 2021, gas supplied 35% of Great Britain’s electricity and wind 29%. Demand peaked at 38.3 GW at 19:15. Carbon intensity averaged 171 g/kWh and the price £201.79/MWh. Wind generation peaked at 15.3 GW at 00:00. Solar generation peaked at 6.4 GW at 13:00. Carbon intensity was lowest at 00:30 (83 g/kWh) and highest at 19:00 (237 g/kWh). The wholesale price ranged from £66.83/MWh at 01:00 to £289.10/MWh at 18:00. Gas made 39% 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 1.614.9%Wind 9.4428.8%Gas 11.5635.2%Hydro 0.511.6%Biomass 2.297.0%Nuclear 3.9512.0%Coal 0.381.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.9avgGeneration 29.7avgTransfers 2.2avg
The day in figurespeaks, averages, totals
Peak demand38.3GW · 19:15
Low 22.7 · 04:00Avg 31.90–40 GW
Made in Great Britain93%of demand
Generation 29.7Transfers 2.2 GW
Net imports50GWh
In
65 Out
14
Zero-carbon share52%of generation
Nuclear 13%Hydro 2%Wind 32%Solar 5%

Transfers · Wed 6 Oct

Interconnectors and storage

On Wednesday 6 October 2021, Great Britain imported 65 GWh and exported 14 GWh through its interconnectors. The most came from Belgium (17 GWh), and the most exports went to Ireland (8 GWh).

All interconnectors

Wed 6 Oct
Imported
65GWh
Exported
14GWh
Net in
50GWh
Average net flow
2.10GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.70GWImporting

In 16.9 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.43GWImporting

In 13.8 GWhOut 3.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.18GWExporting

In 3.5 GWhOut 7.8 GWh

Netherlands

BritNed

Average0.46GWImporting

In 14.0 GWhOut 3.0 GWh

Norway

North Sea Link

Average0.69GWImporting

In 16.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWGenerating

Generated 9.4 GWhPumped 7.0 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.