Eon has begun selling its electricity storage system Aura in Germany. The utility from Düsseldorf developed the system in partnership with the Dresden-based solar company Solarwatt. The system’s charge efficiency of 93 percent makes it one of the most efficient energy storage devices on market.
Energy storage increases independence from the grid
The system can increase a home’s energy independence from about one third to around 70 per cent. „With a storage capacity of 4.4 kilowatt hours, Aura can meet the electricity needs of a home with three to four people during the evening and night hours,” said Manager Robert Hienz from Eon. The system is therefore tailored to the average German household’s energy consumption. After successful development in German market could be the next step into European countries.
For homes that consume more electricity, the system’s storage capacity is easily expandable to up to eleven kilowatt hours with additional battery modules. The lithium-ion battery modules have an estimated operating life of up to 20 years.
Be ready for the smart grid
The wall-mounted storage device is almost noise-free during operation. The system comes with an app that enables customers to monitor their home energy production and consumption any time. All data are displayed in graphics. The app displays daily and weekly figures, making it possible to compare usage over time.
Aura is ready for smart grid and therefore qualifies for assistance from Germany’s KfW development bank. In addition, it can be used to optimally control large-consumption devices such as heat pumps. Along with the storage system, customers can opt for reasonably priced Eon Aura tariff, which provides electricity service from 100 per cent renewable sources. (NHP/HS)
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