Electricity Live

Great Britain’s electricity on Sunday 31 October 2021

On Sunday 31 October, demand averaged 29.6 GW. Renewables supplied 50%.

29.6GW AVERAGEWind14.19 GW46%Hydro0.54 GW2%Biomass1.97 GW6%Solar0.74 GW2%Gas4.46 GW15%Imports2.79 GW9%Nuclear6.05 GW20%29.6GW AVERAGE46%15%9%20%
Price
£88.06/MWh
Day average £88.06
Demand29.6GW
Generation 27.9Transfers 1.6
Fossil fuels15%
Renewables50%
Other35%
Carbon intensityLow
76g/kWh
0Day average 76300
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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 31 October 2021, wind supplied 46% of Great Britain’s electricity and nuclear 20%. Demand peaked at 38.4 GW at 17:20. Carbon intensity averaged 76 g/kWh and the price £88.06/MWh. Wind generation peaked at 17.5 GW at 08:50. Solar generation peaked at 4.4 GW at 12:30. Carbon intensity was lowest at 06:00 (46 g/kWh) and highest at 16:30 (109 g/kWh). The wholesale price ranged from £21.78/MWh at 03:30 to £163.81/MWh at 17:30. 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 0.742.4%Wind 14.1946.2%Gas 4.4614.5%Hydro 0.541.8%Biomass 1.976.4%Nuclear 6.0519.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.6avgGeneration 27.9avgTransfers 1.6avg
The day in figurespeaks, averages, totals
Peak demand38.4GW · 17:20
Low 21.2 · 04:55Avg 29.60–40 GW
Made in Great Britain94%of demand
Generation 27.9Transfers 1.6 GW
Net imports46GWh
In
62 Out
15
Zero-carbon share77%of generation
Nuclear 22%Hydro 2%Wind 51%Solar 3%

Transfers · Sun 31 Oct

Interconnectors and storage

On Sunday 31 October 2021, Great Britain imported 62 GWh and exported 15 GWh through its interconnectors. The most came from France (24 GWh), and the most exports went to Ireland (8 GWh).

All interconnectors

Sun 31 Oct
Imported
62GWh
Exported
15GWh
Net in
46GWh
Average net flow
1.85GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.67GWImporting

In 17.2 GWhOut 0.4 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.88GWImporting

In 24.4 GWhOut 2.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.27GWExporting

In 1.4 GWhOut 8.0 GWh

Netherlands

BritNed

Average0.09GWImporting

In 7.0 GWhOut 4.7 GWh

Norway

North Sea Link

Average0.47GWImporting

In 11.9 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.23GWPumping

Generated 7.9 GWhPumped 13.5 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.