Electricity Live

Great Britain’s electricity on Monday 18 October 2021

On Monday 18 October, demand averaged 32.0 GW. Renewables supplied 34%.

32.0GW AVERAGEWind10.04 GW31%Hydro0.53 GW2%Biomass2.27 GW7%Solar0.30 GW1%Gas11.10 GW34%Imports3.56 GW11%Nuclear4.54 GW14%32.0GW AVERAGE31%7%34%11%14%
Price
£172.02/MWh
Day average £172.02
Demand32.0GW
Generation 28.8Transfers 3.2
Fossil fuels34%
Renewables34%
Other32%
Carbon intensityModerate
158g/kWh
0Day average 158300
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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 Monday 18 October 2021, gas supplied 34% of Great Britain’s electricity and wind 31%. Demand peaked at 39.9 GW at 18:20. Carbon intensity averaged 158 g/kWh and the price £172.02/MWh. Wind generation peaked at 13.0 GW at 12:40. Solar generation peaked at 1.6 GW at 12:30. Carbon intensity was lowest at 23:30 (103 g/kWh) and highest at 07:30 (198 g/kWh). The wholesale price ranged from £92.56/MWh at 03:30 to £240.43/MWh at 07:30. 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 0.300.9%Wind 10.0431.1%Gas 11.1034.3%Hydro 0.531.6%Biomass 2.277.0%Nuclear 4.5414.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.0avgGeneration 28.8avgTransfers 3.2avg
The day in figurespeaks, averages, totals
Peak demand39.9GW · 18:20
Low 21.4 · 04:00Avg 32.00–40 GW
Made in Great Britain90%of demand
Generation 28.8Transfers 3.2 GW
Net imports80GWh
In
81 Out
2
Zero-carbon share54%of generation
Nuclear 16%Hydro 2%Wind 35%Solar 1%

Transfers · Mon 18 Oct

Interconnectors and storage

On Monday 18 October 2021, Great Britain imported 81 GWh and exported 2 GWh through its interconnectors. The most came from Belgium (21 GWh), and the most exports went to Ireland (2 GWh).

All interconnectors

Mon 18 Oct
Imported
81GWh
Exported
2GWh
Net in
80GWh
Average net flow
3.31GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.89GWImporting

In 21.5 GWhOut 0.2 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.74GWImporting

In 17.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.21GWImporting

In 6.7 GWhOut 1.7 GWh

Netherlands

BritNed

Average0.78GWImporting

In 18.8 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.69GWImporting

In 16.6 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWPumping

Generated 4.0 GWhPumped 6.0 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.