Electricity Live

Great Britain’s electricity on Saturday 30 October 2021

On Saturday 30 October, demand averaged 29.4 GW. Renewables supplied 42%.

29.4GW AVERAGEWind11.15 GW37%Hydro0.54 GW2%Biomass1.66 GW5%Solar0.99 GW3%Gas6.72 GW22%Imports3.57 GW12%Nuclear5.91 GW19%29.4GW AVERAGE37%22%12%19%
Price
£114.54/MWh
Day average £114.54
Demand29.4GW
Generation 27.0Transfers 2.5
Fossil fuels22%
Renewables42%
Other36%
Carbon intensityLow
105g/kWh
0Day average 105300
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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 30 October 2021, wind supplied 37% of Great Britain’s electricity and gas 22%. Demand peaked at 35.7 GW at 18:20. Carbon intensity averaged 105 g/kWh and the price £114.54/MWh. Wind generation peaked at 13.8 GW at 04:25. Solar generation peaked at 5.0 GW at 13:00. Carbon intensity was lowest at 05:00 (56 g/kWh) and highest at 18:00 (159 g/kWh). The wholesale price ranged from £55.29/MWh at 05:00 to £178.26/MWh at 18:30. 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 0.993.2%Wind 11.1536.5%Gas 6.7222.0%Hydro 0.541.8%Biomass 1.665.4%Nuclear 5.9119.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.4avgGeneration 27.0avgTransfers 2.5avg
The day in figurespeaks, averages, totals
Peak demand35.7GW · 18:20
Low 21.9 · 04:50Avg 29.40–40 GW
Made in Great Britain92%of demand
Generation 27.0Transfers 2.5 GW
Net imports58GWh
In
76 Out
18
Zero-carbon share69%of generation
Nuclear 22%Hydro 2%Wind 41%Solar 4%

Transfers · Sat 30 Oct

Interconnectors and storage

On Saturday 30 October 2021, Great Britain imported 76 GWh and exported 18 GWh through its interconnectors. The most came from France (29 GWh), and the most exports went to Ireland (15 GWh).

All interconnectors

Sat 30 Oct
Imported
76GWh
Exported
18GWh
Net in
58GWh
Average net flow
2.43GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.77GWImporting

In 18.5 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.14GWImporting

In 29.1 GWhOut 1.8 GWh

Ireland

Moyle · East–West · Greenlink

Average0.59GWExporting

In 1.1 GWhOut 15.3 GWh

Netherlands

BritNed

Average0.41GWImporting

In 10.9 GWhOut 0.9 GWh

Norway

North Sea Link

Average0.69GWImporting

In 16.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.04GWGenerating

Generated 9.3 GWhPumped 8.4 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.