Electricity Live

Great Britain’s electricity on Sunday 5 September 2021

On Sunday 5 September, demand averaged 26.6 GW. Renewables supplied 19%.

26.6GW AVERAGEWind2.89 GW11%Hydro0.10 GW0%Biomass1.32 GW5%Solar2.24 GW8%Gas11.14 GW41%Coal0.47 GW2%Imports4.70 GW17%Nuclear4.54 GW17%26.6GW AVERAGE11%8%41%17%17%
Price
£122.68/MWh
Day average £122.68
Demand26.6GW
Generation 22.7Transfers 3.9
Fossil fuels41%
Renewables19%
Other39%
Carbon intensityModerate
207g/kWh
0Day average 207300
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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 Sunday 5 September 2021, gas supplied 41% of Great Britain’s electricity and nuclear 17%. Demand peaked at 32.1 GW at 12:05. Carbon intensity averaged 207 g/kWh and the price £122.68/MWh. Wind generation peaked at 3.7 GW at 00:00. Solar generation peaked at 7.7 GW at 13:00. Carbon intensity was lowest at 13:00 (160 g/kWh) and highest at 21:30 (265 g/kWh). The wholesale price ranged from £90.91/MWh at 14:30 to £192.76/MWh at 20:00. Gas made 49% 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 2.248.2%Wind 2.8910.5%Gas 11.1440.7%Hydro 0.100.4%Biomass 1.324.8%Nuclear 4.5416.6%Coal 0.471.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.6avgGeneration 22.7avgTransfers 3.9avg
The day in figurespeaks, averages, totals
Peak demand32.1GW · 12:05
Low 19.5 · 04:55Avg 26.60–40 GW
Made in Great Britain85%of demand
Generation 22.7Transfers 3.9 GW
Net imports98GWh
In
109 Out
10
Zero-carbon share43%of generation
Nuclear 20%Hydro 0%Wind 13%Solar 10%

Transfers · Sun 5 Sept

Interconnectors and storage

On Sunday 5 September 2021, Great Britain imported 109 GWh and exported 10 GWh through its interconnectors. The most came from France (65 GWh), and the most exports went to Ireland (10 GWh).

All interconnectors

Sun 5 Sept
Imported
109GWh
Exported
10GWh
Net in
98GWh
Average net flow
4.10GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.91GWImporting

In 21.8 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.71GWImporting

In 65.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.43GWExporting

In 0.0 GWhOut 10.4 GWh

Netherlands

BritNed

Average0.92GWImporting

In 22.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.15GWPumping

Generated 3.9 GWhPumped 7.6 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.