Electricity Live

Great Britain’s electricity on Monday 6 September 2021

On Monday 6 September, demand averaged 29.7 GW. Renewables supplied 13%.

29.7GW AVERAGEWind1.74 GW6%Hydro0.25 GW1%Biomass1.64 GW5%Solar2.07 GW7%Gas14.17 GW47%Coal1.14 GW4%Imports4.85 GW16%Nuclear4.59 GW15%29.7GW AVERAGE47%16%15%
Price
£178.23/MWh
Day average £178.23
Demand29.7GW
Generation 25.6Transfers 4.1
Fossil fuels47%
Renewables13%
Other36%
Carbon intensityHigh
250g/kWh
0Day average 250300
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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 6 September 2021, gas supplied 47% of Great Britain’s electricity and nuclear 15%. Demand peaked at 36.1 GW at 13:30. Carbon intensity averaged 250 g/kWh and the price £178.23/MWh. Wind generation peaked at 3.6 GW at 22:45. Solar generation peaked at 6.8 GW at 13:30. Carbon intensity was lowest at 23:30 (227 g/kWh) and highest at 07:00 (282 g/kWh). The wholesale price ranged from £83.72/MWh at 23:30 to £358.49/MWh at 08:00. Gas made 55% 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 2.076.8%Wind 1.745.7%Gas 14.1746.5%Hydro 0.250.8%Biomass 1.645.4%Nuclear 4.5915.1%Coal 1.143.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.7avgGeneration 25.6avgTransfers 4.1avg
The day in figurespeaks, averages, totals
Peak demand36.1GW · 13:30
Low 20.3 · 03:30Avg 29.70–40 GW
Made in Great Britain86%of demand
Generation 25.6Transfers 4.1 GW
Net imports99GWh
In
107 Out
8
Zero-carbon share34%of generation
Nuclear 18%Hydro 1%Wind 7%Solar 8%

Transfers · Mon 6 Sept

Interconnectors and storage

On Monday 6 September 2021, Great Britain imported 107 GWh and exported 8 GWh through its interconnectors. The most came from France (60 GWh), and the most exports went to Ireland (8 GWh).

All interconnectors

Mon 6 Sept
Imported
107GWh
Exported
8GWh
Net in
99GWh
Average net flow
4.11GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.95GWImporting

In 22.9 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.51GWImporting

In 60.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.32GWExporting

In 0.2 GWhOut 7.9 GWh

Netherlands

BritNed

Average0.97GWImporting

In 23.2 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWPumping

Generated 9.8 GWhPumped 10.0 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.