Electricity Live

Great Britain’s electricity on Wednesday 23 September 2020

On Wednesday 23 September, demand averaged 30.5 GW. Renewables supplied 21%.

30.5GW AVERAGEWind5.68 GW18%Hydro0.28 GW1%Biomass1.63 GW5%Solar0.69 GW2%Gas16.20 GW52%Coal0.32 GW1%Imports1.49 GW5%Nuclear4.88 GW16%30.5GW AVERAGE18%52%16%
Price
£45.01/MWh
Day average £45.01
Demand30.5GW
Generation 29.7Transfers 0.8
Fossil fuels52%
Renewables21%
Other26%
Carbon intensityHigh
233g/kWh
0Day average 233300
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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 23 September 2020, gas supplied 52% of Great Britain’s electricity and wind 18%. Demand peaked at 36.7 GW at 17:35. Carbon intensity averaged 233 g/kWh and the price £45.01/MWh. Wind generation peaked at 8.7 GW at 00:00. Solar generation peaked at 2.6 GW at 13:30. Carbon intensity was lowest at 23:30 (147 g/kWh) and highest at 18:00 (276 g/kWh). The wholesale price ranged from £38.62/MWh at 22:00 to £55.52/MWh at 19:00. Gas made 55% 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 0.692.2%Wind 5.6818.2%Gas 16.2052.0%Hydro 0.280.9%Biomass 1.635.2%Nuclear 4.8815.7%Coal 0.321.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.5avgGeneration 29.7avgTransfers 0.8avg
The day in figurespeaks, averages, totals
Peak demand36.7GW · 17:35
Low 20.8 · 03:30Avg 30.50–40 GW
Made in Great Britain97%of demand
Generation 29.7Transfers 0.8 GW
Net imports17GWh
In
31 Out
14
Zero-carbon share39%of generation
Nuclear 16%Hydro 1%Wind 19%Solar 2%

Transfers · Wed 23 Sept

Interconnectors and storage

On Wednesday 23 September 2020, Great Britain imported 31 GWh and exported 14 GWh through its interconnectors. The most came from France (26 GWh), and the most exports went to France (8 GWh).

All interconnectors

Wed 23 Sept
Imported
31GWh
Exported
14GWh
Net in
17GWh
Average net flow
0.71GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.07GWImporting

In 1.8 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.73GWImporting

In 25.9 GWhOut 8.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.09GWExporting

In 3.5 GWhOut 5.8 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.13GWGenerating

Generated 4.5 GWhPumped 1.4 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.