Electricity Live

Great Britain’s electricity on Tuesday 20 September 2022

On Tuesday 20 September, demand averaged 27.6 GW. Renewables supplied 12%.

27.6GW AVERAGEWind1.83 GW6%Hydro0.16 GW1%Biomass2.39 GW8%Solar1.49 GW5%Gas18.19 GW61%Coal1.09 GW4%Imports0.52 GW2%Nuclear3.94 GW13%27.6GW AVERAGE8%61%13%
Price
£252.90/MWh
Day average £252.90
Demand27.6GW
Generation 29.1Transfers −1.5
Fossil fuels61%
Renewables12%
Other23%
Carbon intensityHigh
291g/kWh
0Day average 291300
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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 20 September 2022, gas supplied 61% of Great Britain’s electricity and nuclear 13%. Demand peaked at 33.6 GW at 12:00. Carbon intensity averaged 291 g/kWh and the price £252.90/MWh. Wind generation peaked at 2.6 GW at 03:10. Solar generation peaked at 5.4 GW at 12:00. Carbon intensity was lowest at 12:00 (264 g/kWh) and highest at 20:30 (314 g/kWh). The wholesale price ranged from £154.72/MWh at 02:00 to £366.87/MWh at 17:30. Gas made 63% of the electricity generated in Great Britain, compared with 41% across 2022.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.495.0%Wind 1.836.2%Gas 18.1961.4%Hydro 0.160.6%Biomass 2.398.1%Nuclear 3.9413.3%Coal 1.093.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.6avgGeneration 29.1avgTransfers −1.5avg
The day in figurespeaks, averages, totals
Peak demand33.6GW · 12:00
Low 18.8 · 03:25Avg 27.60–40 GW
Made in Great Britain106%of demand
Generation 29.1Transfers −1.5 GW
Net exports37GWh
In
6 Out
44
Zero-carbon share26%of generation
Nuclear 14%Hydro 1%Wind 6%Solar 5%

Transfers · Tue 20 Sept

Interconnectors and storage

On Tuesday 20 September 2022, Great Britain imported 6 GWh and exported 44 GWh through its interconnectors. The most came from Ireland (4 GWh), and the most exports went to France (29 GWh).

All interconnectors

Tue 20 Sept
Imported
6GWh
Exported
44GWh
Net out
37GWh
Average net flow
1.56GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.18GWExporting

In 0.0 GWhOut 4.3 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.17GWExporting

In 0.5 GWhOut 28.7 GWh

Ireland

Moyle · East–West · Greenlink

Average0.14GWImporting

In 3.6 GWhOut 0.2 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.34GWExporting

In 2.3 GWhOut 10.5 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWGenerating

Generated 6.1 GWhPumped 5.6 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.