Electricity Live

Great Britain’s electricity on Sunday 3 October 2021

On Sunday 3 October, demand averaged 28.0 GW. Renewables supplied 53%.

28.0GW AVERAGEWind13.56 GW47%Hydro0.46 GW2%Biomass1.71 GW6%Solar1.47 GW5%Gas4.81 GW17%Imports2.34 GW8%Nuclear4.62 GW16%28.0GW AVERAGE47%17%8%16%
Price
£117.18/MWh
Day average £117.18
Demand28.0GW
Generation 26.6Transfers 1.4
Fossil fuels17%
Renewables53%
Other30%
Carbon intensityLow
84g/kWh
0Day average 84300
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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 3 October 2021, wind supplied 47% of Great Britain’s electricity and gas 17%. Demand peaked at 34.8 GW at 17:25. Carbon intensity averaged 84 g/kWh and the price £117.18/MWh. Wind generation peaked at 17.6 GW at 14:50. Solar generation peaked at 6.0 GW at 12:30. Carbon intensity was lowest at 03:30 (61 g/kWh) and highest at 20:00 (115 g/kWh). The wholesale price ranged from £15.18/MWh at 03:30 to £218.92/MWh at 10:00. Wind made 51% 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 1.475.1%Wind 13.5646.8%Gas 4.8116.6%Hydro 0.461.6%Biomass 1.715.9%Nuclear 4.6215.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.0avgGeneration 26.6avgTransfers 1.4avg
The day in figurespeaks, averages, totals
Peak demand34.8GW · 17:25
Low 20.3 · 04:20Avg 28.00–40 GW
Made in Great Britain95%of demand
Generation 26.6Transfers 1.4 GW
Net imports46GWh
In
53 Out
7
Zero-carbon share76%of generation
Nuclear 17%Hydro 2%Wind 51%Solar 6%

Transfers · Sun 3 Oct

Interconnectors and storage

On Sunday 3 October 2021, Great Britain imported 53 GWh and exported 7 GWh through its interconnectors. The most came from Norway (17 GWh), and the most exports went to Netherlands (2 GWh).

All interconnectors

Sun 3 Oct
Imported
53GWh
Exported
7GWh
Net in
46GWh
Average net flow
1.93GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.63GWImporting

In 15.1 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.31GWImporting

In 9.5 GWhOut 2.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.12GWImporting

In 5.2 GWhOut 2.3 GWh

Netherlands

BritNed

Average0.18GWImporting

In 6.8 GWhOut 2.4 GWh

Norway

North Sea Link

Average0.69GWImporting

In 16.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.52GWPumping

Generated 3.2 GWhPumped 15.7 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.