Electricity Live

Great Britain’s electricity on Monday 21 September 2020

On Monday 21 September, demand averaged 30.1 GW. Renewables supplied 17%.

30.1GW AVERAGEWind3.12 GW10%Hydro0.27 GW1%Biomass1.76 GW6%Solar2.07 GW7%Gas17.14 GW55%Coal0.98 GW3%Imports0.71 GW2%Nuclear5.36 GW17%30.1GW AVERAGE10%55%17%
Price
£37.65/MWh
Day average £37.65
Demand30.1GW
Generation 30.7Transfers −0.7
Fossil fuels55%
Renewables17%
Other25%
Carbon intensityHigh
258g/kWh
0Day average 258300
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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 Monday 21 September 2020, gas supplied 55% of Great Britain’s electricity and nuclear 17%. Demand peaked at 36.3 GW at 17:25. Carbon intensity averaged 258 g/kWh and the price £37.65/MWh. Wind generation peaked at 4.0 GW at 14:40. Solar generation peaked at 7.6 GW at 12:30. Carbon intensity was lowest at 00:00 (216 g/kWh) and highest at 18:00 (303 g/kWh). The wholesale price ranged from £24.87/MWh at 00:30 to £53.90/MWh at 18:30. Gas made 56% 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 2.076.6%Wind 3.129.9%Gas 17.1454.6%Hydro 0.270.9%Biomass 1.765.6%Nuclear 5.3617.1%Coal 0.983.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.1avgGeneration 30.7avgTransfers −0.7avg
The day in figurespeaks, averages, totals
Peak demand36.3GW · 17:25
Low 20.2 · 03:55Avg 30.10–40 GW
Made in Great Britain102%of demand
Generation 30.7Transfers −0.7 GW
Net exports14GWh
In
13 Out
27
Zero-carbon share35%of generation
Nuclear 17%Hydro 1%Wind 10%Solar 7%

Transfers · Mon 21 Sept

Interconnectors and storage

On Monday 21 September 2020, Great Britain imported 13 GWh and exported 27 GWh through its interconnectors. The most came from France (10 GWh), and the most exports went to France (15 GWh).

All interconnectors

Mon 21 Sept
Imported
13GWh
Exported
27GWh
Net out
14GWh
Average net flow
0.59GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.02GWExporting

In 0.3 GWhOut 0.9 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.22GWExporting

In 9.7 GWhOut 15.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.39GWExporting

In 0.8 GWhOut 10.2 GWh

Netherlands

BritNed

Average0.05GWImporting

In 2.0 GWhOut 0.7 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.07GWPumping

Generated 4.3 GWhPumped 5.9 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.