Electricity Live

Great Britain’s electricity on Wednesday 11 September 2019

On Wednesday 11 September, demand averaged 31.3 GW. Renewables supplied 43%.

31.3GW AVERAGEWind12.55 GW39%Hydro0.45 GW1%Biomass1.99 GW6%Solar1.07 GW3%Gas6.81 GW21%Coal0.24 GW1%Imports2.72 GW8%Nuclear6.52 GW20%31.3GW AVERAGE39%21%8%20%
Price
£24.30/MWh
Day average £24.30
Demand31.3GW
Generation 29.6Transfers 1.7
Fossil fuels21%
Renewables43%
Other35%
Carbon intensityLow
129g/kWh
0Day average 129300
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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 Wednesday 11 September 2019, wind supplied 39% of Great Britain’s electricity and gas 21%. Demand peaked at 37.4 GW at 11:35. Carbon intensity averaged 129 g/kWh and the price £24.30/MWh. Wind generation peaked at 15.5 GW at 12:20. Solar generation peaked at 3.7 GW at 13:00. Carbon intensity was lowest at 05:30 (96 g/kWh) and highest at 19:30 (183 g/kWh). The wholesale price ranged from −£14.92/MWh at 03:00 to £48.34/MWh at 20:00. The price was below zero for 4 hours. Wind made 42% of the electricity generated in Great Britain, compared with 22% across 2019.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.073.3%Wind 12.5538.8%Gas 6.8121.0%Hydro 0.451.4%Biomass 1.996.2%Nuclear 6.5220.2%Coal 0.240.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.3avgGeneration 29.6avgTransfers 1.7avg
The day in figurespeaks, averages, totals
Peak demand37.4GW · 11:35
Low 21.3 · 03:40Avg 31.30–40 GW
Made in Great Britain95%of demand
Generation 29.6Transfers 1.7 GW
Net imports44GWh
In
62 Out
18
Zero-carbon share69%of generation
Nuclear 22%Hydro 2%Wind 42%Solar 4%

Transfers · Wed 11 Sept

Interconnectors and storage

On Wednesday 11 September 2019, Great Britain imported 62 GWh and exported 18 GWh through its interconnectors. The most came from France (30 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Wed 11 Sept
Imported
62GWh
Exported
18GWh
Net in
44GWh
Average net flow
1.83GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.43GWImporting

In 12.8 GWhOut 2.5 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.03GWImporting

In 30.3 GWhOut 5.5 GWh

Ireland

Moyle · East–West · Greenlink

Average0.07GWExporting

In 4.9 GWhOut 6.7 GWh

Netherlands

BritNed

Average0.44GWImporting

In 13.8 GWhOut 3.3 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.15GWPumping

Generated 3.4 GWhPumped 7.1 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.