Electricity Live

Great Britain’s electricity on Thursday 21 September 2017

On Thursday 21 September, demand averaged 31.4 GW. Renewables supplied 18%.

31.4GW AVERAGEWind4.37 GW14%Hydro0.43 GW1%Solar0.81 GW3%Gas14.28 GW45%Coal2.20 GW7%Imports2.03 GW6%Nuclear7.70 GW24%31.4GW AVERAGE14%45%24%
Price
£48.97/MWh
Day average £48.97
Demand31.4GW
Generation 29.8Transfers 1.6
Fossil fuels45%
Renewables18%
Other31%
Carbon intensity
—
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Key moments

On Thursday 21 September 2017, gas supplied 45% of Great Britain’s electricity and nuclear 24%. Demand peaked at 38.3 GW at 19:35. The price £48.97/MWh. Wind generation peaked at 5.6 GW at 00:00. Solar generation peaked at 2.4 GW at 15:00. The wholesale price ranged from £36.68/MWh at 00:30 to £72.21/MWh at 19:30. Gas made 48% 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 0.812.5%Wind 4.3713.7%Gas 14.2844.9%Hydro 0.431.3%Biomass 0.000.0%Nuclear 7.7024.2%Coal 2.206.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.4avgGeneration 29.8avgTransfers 1.6avg
The day in figurespeaks, averages, totals
Peak demand38.3GW · 19:35
Low 20.9 · 03:50Avg 31.40–40 GW
Made in Great Britain95%of demand
Generation 29.8Transfers 1.6 GW
Net imports42GWh
In
42 Out
1
Zero-carbon share45%of generation
Nuclear 26%Hydro 1%Wind 15%Solar 3%

Transfers · Thu 21 Sept

Interconnectors and storage

On Thursday 21 September 2017, Great Britain imported 42 GWh and exported 1 GWh through its interconnectors. The most came from Netherlands (22 GWh).

All interconnectors

Thu 21 Sept
Imported
42GWh
Exported
1GWh
Net in
42GWh
Average net flow
1.74GW 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

Average0.50GWImporting

In 12.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.31GWImporting

In 8.0 GWhOut 0.6 GWh

Netherlands

BritNed

Average0.93GWImporting

In 22.4 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.13GWPumping

Generated 6.4 GWhPumped 9.5 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.