Electricity Live

Great Britain’s electricity on Tuesday 12 October 2021

On Tuesday 12 October, demand averaged 31.6 GW. Renewables supplied 23%.

31.6GW AVERAGEWind5.97 GW18%Hydro0.46 GW1%Biomass2.29 GW7%Solar0.90 GW3%Gas14.51 GW45%Coal0.63 GW2%Imports3.71 GW11%Nuclear3.97 GW12%31.6GW AVERAGE18%7%45%11%12%
Price
£223.08/MWh
Day average £223.08
Demand31.6GW
Generation 28.7Transfers 2.9
Fossil fuels45%
Renewables23%
Other31%
Carbon intensityHigh
214g/kWh
0Day average 214300
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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 Tuesday 12 October 2021, gas supplied 45% of Great Britain’s electricity and wind 18%. Demand peaked at 37.8 GW at 11:00. Carbon intensity averaged 214 g/kWh and the price £223.08/MWh. Wind generation peaked at 9.4 GW at 00:55. Solar generation peaked at 3.9 GW at 11:00. Carbon intensity was lowest at 03:00 (121 g/kWh) and highest at 18:30 (269 g/kWh). The wholesale price ranged from £92.52/MWh at 23:00 to £736.07/MWh at 19:00. Gas made 50% 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 0.902.8%Wind 5.9718.4%Gas 14.5144.7%Hydro 0.461.4%Biomass 2.297.1%Nuclear 3.9712.2%Coal 0.631.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.6avgGeneration 28.7avgTransfers 2.9avg
The day in figurespeaks, averages, totals
Peak demand37.8GW · 11:00
Low 21.8 · 03:55Avg 31.60–40 GW
Made in Great Britain91%of demand
Generation 28.7Transfers 2.9 GW
Net imports67GWh
In
81 Out
14
Zero-carbon share39%of generation
Nuclear 14%Hydro 2%Wind 21%Solar 3%

Transfers · Tue 12 Oct

Interconnectors and storage

On Tuesday 12 October 2021, Great Britain imported 81 GWh and exported 14 GWh through its interconnectors. The most came from Netherlands (23 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Tue 12 Oct
Imported
81GWh
Exported
14GWh
Net in
67GWh
Average net flow
2.78GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.92GWImporting

In 22.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.79GWImporting

In 19.2 GWhOut 0.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.56GWExporting

In 0.0 GWhOut 13.5 GWh

Netherlands

BritNed

Average0.94GWImporting

In 22.6 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.70GWImporting

In 16.7 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWGenerating

Generated 8.4 GWhPumped 6.2 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.