Electricity Live

Great Britain’s electricity on Sunday 20 September 2020

On Sunday 20 September, demand averaged 26.6 GW. Renewables supplied 27%.

26.6GW AVERAGEWind5.00 GW18%Hydro0.31 GW1%Biomass1.72 GW6%Solar1.90 GW7%Gas9.75 GW36%Imports3.22 GW12%Nuclear5.21 GW19%26.6GW AVERAGE18%36%12%19%
Price
£36.32/MWh
Day average £36.32
Demand26.6GW
Generation 23.9Transfers 2.8
Fossil fuels36%
Renewables27%
Other37%
Carbon intensityModerate
172g/kWh
0Day average 172300
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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 20 September 2020, gas supplied 36% of Great Britain’s electricity and nuclear 19%. Demand peaked at 32.4 GW at 17:25. Carbon intensity averaged 172 g/kWh and the price £36.32/MWh. Wind generation peaked at 8.0 GW at 00:00. Solar generation peaked at 6.9 GW at 12:30. Carbon intensity was lowest at 00:00 (113 g/kWh) and highest at 21:30 (254 g/kWh). The wholesale price ranged from £13.44/MWh at 00:30 to £55.30/MWh at 18:30. Gas made 41% of the electricity generated in Great Britain, compared with 38% across 2020.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.907.0%Wind 5.0018.4%Gas 9.7536.0%Hydro 0.311.1%Biomass 1.726.4%Nuclear 5.2119.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.6avgGeneration 23.9avgTransfers 2.8avg
The day in figurespeaks, averages, totals
Peak demand32.4GW · 17:25
Low 19.0 · 04:40Avg 26.60–40 GW
Made in Great Britain90%of demand
Generation 23.9Transfers 2.8 GW
Net imports67GWh
In
74 Out
7
Zero-carbon share52%of generation
Nuclear 22%Hydro 1%Wind 21%Solar 8%

Transfers · Sun 20 Sept

Interconnectors and storage

On Sunday 20 September 2020, Great Britain imported 74 GWh and exported 7 GWh through its interconnectors. The most came from France (36 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Sun 20 Sept
Imported
74GWh
Exported
7GWh
Net in
67GWh
Average net flow
2.78GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.67GWImporting

In 16.3 GWhOut 0.3 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.51GWImporting

In 36.4 GWhOut 0.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.03GWExporting

In 6.1 GWhOut 7.0 GWh

Netherlands

BritNed

Average0.64GWImporting

In 15.4 GWhOut 0.1 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWPumping

Generated 3.2 GWhPumped 3.6 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.