Electricity Live

Great Britain’s electricity on Thursday 20 September 2018

On Thursday 20 September, demand averaged 32.2 GW. Renewables supplied 28%.

32.2GW AVERAGEWind8.02 GW24%Hydro0.69 GW2%Biomass1.49 GW5%Solar0.53 GW2%Gas11.04 GW34%Coal1.60 GW5%Imports2.44 GW7%Nuclear7.05 GW21%32.2GW AVERAGE24%34%7%21%
Price
£71.28/MWh
Day average £71.28
Demand32.2GW
Generation 30.4Transfers 1.8
Fossil fuels34%
Renewables28%
Other33%
Carbon intensityModerate
215g/kWh
0Day average 215300
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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 Thursday 20 September 2018, gas supplied 34% of Great Britain’s electricity and wind 24%. Demand peaked at 38.5 GW at 16:55. Carbon intensity averaged 215 g/kWh and the price £71.28/MWh. Wind generation peaked at 10.6 GW at 00:00. Solar generation peaked at 1.9 GW at 11:30. Carbon intensity was lowest at 23:30 (103 g/kWh) and highest at 13:00 (284 g/kWh). The wholesale price ranged from £45.98/MWh at 02:30 to £89.41/MWh at 18:30. Gas made 36% 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 0.531.6%Wind 8.0224.4%Gas 11.0433.6%Hydro 0.692.1%Biomass 1.494.5%Nuclear 7.0521.5%Coal 1.604.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.2avgGeneration 30.4avgTransfers 1.8avg
The day in figurespeaks, averages, totals
Peak demand38.5GW · 16:55
Low 22.1 · 03:55Avg 32.20–40 GW
Made in Great Britain94%of demand
Generation 30.4Transfers 1.8 GW
Net imports38GWh
In
51 Out
13
Zero-carbon share54%of generation
Nuclear 23%Hydro 2%Wind 26%Solar 2%

Transfers · Thu 20 Sept

Interconnectors and storage

On Thursday 20 September 2018, Great Britain imported 51 GWh and exported 13 GWh through its interconnectors. The most came from France (36 GWh), and the most exports went to Ireland (12 GWh).

All interconnectors

Thu 20 Sept
Imported
51GWh
Exported
13GWh
Net in
38GWh
Average net flow
1.57GW 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

Average1.47GWImporting

In 36.3 GWhOut 1.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.50GWExporting

In 0.1 GWhOut 12.1 GWh

Netherlands

BritNed

Average0.60GWImporting

In 14.4 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.20GWGenerating

Generated 7.7 GWhPumped 2.8 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.