Electricity Live

Great Britain’s electricity on Saturday 23 October 2021

On Saturday 23 October, demand averaged 29.8 GW. Renewables supplied 35%.

29.8GW AVERAGEWind9.53 GW32%Hydro0.58 GW2%Biomass1.96 GW7%Solar0.46 GW2%Gas9.63 GW32%Imports3.32 GW11%Nuclear4.61 GW15%29.8GW AVERAGE32%32%11%15%
Price
£165.92/MWh
Day average £165.92
Demand29.8GW
Generation 26.8Transfers 3.0
Fossil fuels32%
Renewables35%
Other33%
Carbon intensityModerate
151g/kWh
0Day average 151300
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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 23 October 2021, gas supplied 32% of Great Britain’s electricity and wind 32%. Demand peaked at 36.6 GW at 18:30. Carbon intensity averaged 151 g/kWh and the price £165.92/MWh. Wind generation peaked at 14.0 GW at 21:30. Solar generation peaked at 2.4 GW at 12:00. Carbon intensity was lowest at 23:30 (86 g/kWh) and highest at 00:00 (213 g/kWh). The wholesale price ranged from £39.74/MWh at 23:30 to £207.74/MWh at 00:00. Gas made 36% 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 0.461.5%Wind 9.5331.7%Gas 9.6332.0%Hydro 0.581.9%Biomass 1.966.5%Nuclear 4.6115.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.8avgGeneration 26.8avgTransfers 3.0avg
The day in figurespeaks, averages, totals
Peak demand36.6GW · 18:30
Low 22.5 · 04:55Avg 29.80–40 GW
Made in Great Britain90%of demand
Generation 26.8Transfers 3.0 GW
Net imports75GWh
In
77 Out
2
Zero-carbon share57%of generation
Nuclear 17%Hydro 2%Wind 36%Solar 2%

Transfers · Sat 23 Oct

Interconnectors and storage

On Saturday 23 October 2021, Great Britain imported 77 GWh and exported 2 GWh through its interconnectors. The most came from France (21 GWh), and the most exports went to France (2 GWh).

All interconnectors

Sat 23 Oct
Imported
77GWh
Exported
2GWh
Net in
75GWh
Average net flow
3.12GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.66GWImporting

In 15.8 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.78GWImporting

In 20.7 GWhOut 1.9 GWh

Ireland

Moyle · East–West · Greenlink

Average0.48GWImporting

In 11.6 GWhOut 0.0 GWh

Netherlands

BritNed

Average0.50GWImporting

In 12.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.69GWImporting

In 16.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWPumping

Generated 2.8 GWhPumped 5.1 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.