Electricity Live

Great Britain’s electricity on Monday 18 September 2017

On Monday 18 September, demand averaged 31.3 GW. Renewables supplied 13%.

31.3GW AVERAGEWind2.32 GW7%Hydro0.48 GW2%Solar1.29 GW4%Gas15.76 GW49%Coal3.00 GW9%Imports1.70 GW5%Nuclear7.54 GW23%31.3GW AVERAGE7%49%9%23%
Price
£52.36/MWh
Day average £52.36
Demand31.3GW
Generation 30.4Transfers 0.9
Fossil fuels49%
Renewables13%
Other29%
Carbon intensity
—
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Key moments

On Monday 18 September 2017, gas supplied 49% of Great Britain’s electricity and nuclear 23%. Demand peaked at 38.6 GW at 19:30. The price £52.36/MWh. Wind generation peaked at 3.2 GW at 16:15. Solar generation peaked at 4.9 GW at 12:30. The wholesale price ranged from £32.11/MWh at 03:30 to £119.78/MWh at 19:30. Gas made 52% of the electricity generated in Great Britain, compared with 43% across 2017.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.294.0%Wind 2.327.2%Gas 15.7649.1%Hydro 0.481.5%Biomass 0.000.0%Nuclear 7.5423.5%Coal 3.009.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.3avgGeneration 30.4avgTransfers 0.9avg
The day in figurespeaks, averages, totals
Peak demand38.6GW · 19:30
Low 19.8 · 03:50Avg 31.30–40 GW
Made in Great Britain97%of demand
Generation 30.4Transfers 0.9 GW
Net imports24GWh
In
32 Out
8
Zero-carbon share38%of generation
Nuclear 25%Hydro 2%Wind 8%Solar 4%

Transfers · Mon 18 Sept

Interconnectors and storage

On Monday 18 September 2017, Great Britain imported 32 GWh and exported 8 GWh through its interconnectors. The most came from France (22 GWh), and the most exports went to Ireland (8 GWh).

All interconnectors

Mon 18 Sept
Imported
32GWh
Exported
8GWh
Net in
24GWh
Average net flow
0.99GW 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

Average0.91GWImporting

In 21.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.11GWExporting

In 5.4 GWhOut 8.1 GWh

Netherlands

BritNed

Average0.19GWImporting

In 4.7 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWPumping

Generated 8.8 GWhPumped 11.3 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.