Electricity Live

Great Britain’s electricity on Tuesday 17 September 2019

On Tuesday 17 September, demand averaged 31.1 GW. Renewables supplied 25%.

31.1GW AVERAGEWind5.46 GW17%Hydro0.49 GW2%Biomass1.76 GW5%Solar2.28 GW7%Gas13.25 GW41%Coal0.47 GW1%Imports2.18 GW7%Nuclear6.53 GW20%31.1GW AVERAGE17%7%41%20%
Price
£37.11/MWh
Day average £37.11
Demand31.1GW
Generation 30.2Transfers 0.8
Fossil fuels41%
Renewables25%
Other32%
Carbon intensityModerate
208g/kWh
0Day average 208300
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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 Tuesday 17 September 2019, gas supplied 41% of Great Britain’s electricity and nuclear 20%. Demand peaked at 37.0 GW at 11:30. Carbon intensity averaged 208 g/kWh and the price £37.11/MWh. Wind generation peaked at 7.2 GW at 02:45. Solar generation peaked at 7.6 GW at 12:30. Carbon intensity was lowest at 00:00 (155 g/kWh) and highest at 20:30 (263 g/kWh). The wholesale price ranged from £17.73/MWh at 04:30 to £59.97/MWh at 19:30. Gas made 44% of the electricity generated in Great Britain, compared with 43% across 2019.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.287.0%Wind 5.4616.8%Gas 13.2540.9%Hydro 0.491.5%Biomass 1.765.4%Nuclear 6.5320.2%Coal 0.471.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.1avgGeneration 30.2avgTransfers 0.8avg
The day in figurespeaks, averages, totals
Peak demand37.0GW · 11:30
Low 21.4 · 03:35Avg 31.10–40 GW
Made in Great Britain97%of demand
Generation 30.2Transfers 0.8 GW
Net imports24GWh
In
49 Out
25
Zero-carbon share49%of generation
Nuclear 22%Hydro 2%Wind 18%Solar 8%

Transfers · Tue 17 Sept

Interconnectors and storage

On Tuesday 17 September 2019, Great Britain imported 49 GWh and exported 25 GWh through its interconnectors. The most came from France (30 GWh), and the most exports went to Ireland (24 GWh).

All interconnectors

Tue 17 Sept
Imported
49GWh
Exported
25GWh
Net in
24GWh
Average net flow
0.99GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.80GWImporting

In 19.2 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.17GWImporting

In 29.7 GWhOut 1.6 GWh

Ireland

Moyle · East–West · Greenlink

Average0.98GWExporting

In 0.0 GWhOut 23.5 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.17GWPumping

Generated 3.4 GWhPumped 7.5 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.