Electricity Live

Great Britain’s electricity on Wednesday 21 September 2022

On Wednesday 21 September, demand averaged 28.3 GW. Renewables supplied 23%.

28.3GW AVERAGEWind5.64 GW18%Hydro0.13 GW0%Biomass2.52 GW8%Solar1.42 GW4%Gas16.61 GW53%Coal0.90 GW3%Imports0.38 GW1%Nuclear3.95 GW13%28.3GW AVERAGE18%8%53%13%
Price
£228.37/MWh
Day average £228.37
Demand28.3GW
Generation 31.2Transfers −2.9
Fossil fuels53%
Renewables23%
Other22%
Carbon intensityHigh
247g/kWh
0Day average 247300
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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 Wednesday 21 September 2022, gas supplied 53% of Great Britain’s electricity and wind 18%. Demand peaked at 34.2 GW at 12:30. Carbon intensity averaged 247 g/kWh and the price £228.37/MWh. Wind generation peaked at 11.1 GW at 23:15. Solar generation peaked at 5.3 GW at 12:30. Carbon intensity was lowest at 23:30 (130 g/kWh) and highest at 00:00 (294 g/kWh). The wholesale price ranged from £165.29/MWh at 04:00 to £347.49/MWh at 08:30. Gas made 53% 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 1.424.5%Wind 5.6417.9%Gas 16.6152.6%Hydro 0.130.4%Biomass 2.528.0%Nuclear 3.9512.5%Coal 0.902.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.3avgGeneration 31.2avgTransfers −2.9avg
The day in figurespeaks, averages, totals
Peak demand34.2GW · 12:30
Low 19.7 · 03:40Avg 28.30–40 GW
Made in Great Britain110%of demand
Generation 31.2Transfers −2.9 GW
Net exports69GWh
In
6 Out
75
Zero-carbon share36%of generation
Nuclear 13%Hydro 0%Wind 18%Solar 5%

Transfers · Wed 21 Sept

Interconnectors and storage

On Wednesday 21 September 2022, Great Britain imported 6 GWh and exported 75 GWh through its interconnectors. The most came from Ireland (6 GWh), and the most exports went to France (47 GWh).

All interconnectors

Wed 21 Sept
Imported
6GWh
Exported
75GWh
Net out
69GWh
Average net flow
2.88GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.94GWExporting

In 0.0 GWhOut 46.6 GWh

Ireland

Moyle · East–West · Greenlink

Average0.23GWImporting

In 5.7 GWhOut 0.3 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.17GWExporting

In 0.0 GWhOut 28.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWPumping

Generated 3.5 GWhPumped 4.2 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.