Electricity Live

Great Britain’s electricity on Tuesday 29 September 2020

On Tuesday 29 September, demand averaged 30.9 GW. Renewables supplied 11%.

30.9GW AVERAGEWind2.06 GW7%Hydro0.28 GW1%Biomass1.08 GW3%Solar1.28 GW4%Gas16.57 GW53%Coal1.31 GW4%Imports3.04 GW10%Nuclear5.85 GW19%30.9GW AVERAGE53%10%19%
Price
£60.23/MWh
Day average £60.23
Demand30.9GW
Generation 28.4Transfers 2.5
Fossil fuels53%
Renewables11%
Other32%
Carbon intensityHigh
270g/kWh
0Day average 270300
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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 29 September 2020, gas supplied 53% of Great Britain’s electricity and nuclear 19%. Demand peaked at 37.4 GW at 19:00. Carbon intensity averaged 270 g/kWh and the price £60.23/MWh. Wind generation peaked at 6.5 GW at 23:50. Solar generation peaked at 4.9 GW at 13:30. Carbon intensity was lowest at 23:30 (153 g/kWh) and highest at 06:30 (326 g/kWh). The wholesale price ranged from £36.03/MWh at 23:00 to £100.01/MWh at 07:30. Gas made 58% 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 1.284.1%Wind 2.066.6%Gas 16.5752.7%Hydro 0.280.9%Biomass 1.083.4%Nuclear 5.8518.6%Coal 1.314.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.9avgGeneration 28.4avgTransfers 2.5avg
The day in figurespeaks, averages, totals
Peak demand37.4GW · 19:00
Low 21.7 · 04:00Avg 30.90–40 GW
Made in Great Britain92%of demand
Generation 28.4Transfers 2.5 GW
Net imports59GWh
In
67 Out
9
Zero-carbon share33%of generation
Nuclear 21%Hydro 1%Wind 7%Solar 4%

Transfers · Tue 29 Sept

Interconnectors and storage

On Tuesday 29 September 2020, Great Britain imported 67 GWh and exported 9 GWh through its interconnectors. The most came from France (34 GWh), and the most exports went to Ireland (8 GWh).

All interconnectors

Tue 29 Sept
Imported
67GWh
Exported
9GWh
Net in
59GWh
Average net flow
2.44GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.56GWImporting

In 13.8 GWhOut 0.4 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.40GWImporting

In 33.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.11GWExporting

In 5.6 GWhOut 8.2 GWh

Netherlands

BritNed

Average0.59GWImporting

In 14.1 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWGenerating

Generated 5.8 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.