Electricity Live

Great Britain’s electricity on Monday 17 September 2018

On Monday 17 September, demand averaged 31.5 GW. Renewables supplied 29%.

31.5GW AVERAGEWind7.29 GW23%Hydro0.49 GW2%Biomass2.47 GW8%Solar1.36 GW4%Gas9.82 GW31%Coal1.63 GW5%Imports1.62 GW5%Nuclear7.26 GW23%31.5GW AVERAGE23%8%31%23%
Price
£64.20/MWh
Day average £64.20
Demand31.5GW
Generation 30.3Transfers 1.2
Fossil fuels31%
Renewables29%
Other36%
Carbon intensityModerate
214g/kWh
0Day average 214300
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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 17 September 2018, gas supplied 31% of Great Britain’s electricity and wind 23%. Demand peaked at 38.3 GW at 17:25. Carbon intensity averaged 214 g/kWh and the price £64.20/MWh. Wind generation peaked at 10.6 GW at 17:55. Solar generation peaked at 4.5 GW at 13:00. Carbon intensity was lowest at 23:30 (104 g/kWh) and highest at 09:30 (266 g/kWh). The wholesale price ranged from £36.70/MWh at 23:30 to £88.96/MWh at 08:00. Gas made 32% of the electricity generated in Great Britain, compared with 42% across 2018.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.364.3%Wind 7.2922.8%Gas 9.8230.7%Hydro 0.491.5%Biomass 2.477.7%Nuclear 7.2622.7%Coal 1.635.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.5avgGeneration 30.3avgTransfers 1.2avg
The day in figurespeaks, averages, totals
Peak demand38.3GW · 17:25
Low 21.0 · 03:20Avg 31.50–40 GW
Made in Great Britain96%of demand
Generation 30.3Transfers 1.2 GW
Net imports29GWh
In
33 Out
4
Zero-carbon share54%of generation
Nuclear 24%Hydro 2%Wind 24%Solar 4%

Transfers · Mon 17 Sept

Interconnectors and storage

On Monday 17 September 2018, Great Britain imported 33 GWh and exported 4 GWh through its interconnectors. The most came from France (25 GWh), and the most exports went to France (2 GWh).

All interconnectors

Mon 17 Sept
Imported
33GWh
Exported
4GWh
Net in
29GWh
Average net flow
1.20GW in

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

Average0.94GWImporting

In 25.0 GWhOut 2.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.11GWImporting

In 4.0 GWhOut 1.5 GWh

Netherlands

BritNed

Average0.16GWImporting

In 3.7 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 6.1 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.