Electricity Live

Great Britain’s electricity on Tuesday 19 September 2017

On Tuesday 19 September, demand averaged 31.6 GW. Renewables supplied 12%.

31.6GW AVERAGEWind1.59 GW5%Hydro0.42 GW1%Solar1.78 GW6%Gas16.57 GW51%Coal3.02 GW9%Imports1.27 GW4%Nuclear7.57 GW23%31.6GW AVERAGE51%9%23%
Price
£46.48/MWh
Day average £46.48
Demand31.6GW
Generation 30.9Transfers 0.7
Fossil fuels51%
Renewables12%
Other27%
Carbon intensity
—
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Key moments

On Tuesday 19 September 2017, gas supplied 51% of Great Britain’s electricity and nuclear 23%. Demand peaked at 38.5 GW at 19:35. The price £46.48/MWh. Wind generation peaked at 2.8 GW at 23:45. Solar generation peaked at 5.6 GW at 13:30. The wholesale price ranged from £38.23/MWh at 03:30 to £73.63/MWh at 19:30. Gas made 54% 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 1.785.5%Wind 1.594.9%Gas 16.5751.4%Hydro 0.421.3%Biomass 0.000.0%Nuclear 7.5723.5%Coal 3.029.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.6avgGeneration 30.9avgTransfers 0.7avg
The day in figurespeaks, averages, totals
Peak demand38.5GW · 19:35
Low 21.4 · 03:45Avg 31.60–40 GW
Made in Great Britain98%of demand
Generation 30.9Transfers 0.7 GW
Net imports21GWh
In
25 Out
4
Zero-carbon share37%of generation
Nuclear 24%Hydro 1%Wind 5%Solar 6%

Transfers · Tue 19 Sept

Interconnectors and storage

On Tuesday 19 September 2017, Great Britain imported 25 GWh and exported 4 GWh through its interconnectors. The most came from France (16 GWh), and the most exports went to Ireland (4 GWh).

All interconnectors

Tue 19 Sept
Imported
25GWh
Exported
4GWh
Net in
21GWh
Average net flow
0.86GW 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

Average0.66GWImporting

In 15.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.17GWImporting

In 8.4 GWhOut 4.4 GWh

Netherlands

BritNed

Average0.04GWImporting

In 0.9 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.19GWPumping

Generated 5.5 GWhPumped 10.1 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.