BMW introduced its energy storage system integrating its BMW i3 vehicle battery at the Electric Vehicle Symposium & Exhibition 29 (EVS29) in Montreal.

The system utilizes BMW i3 high-voltage batteries and can be expanded to incorporate second-life batteries as they become available in the market, the automaker says. Users of the energy storage system can offset peak energy costs and will have access to backup energy supply during power outages. The system can be integrated seamlessly with charging stations and solar panels.

In its press release, BMW says it’s “the first automotive manufacturer to utilize a complete automotive high-voltage battery for energy storage.” BMW joins ranks with others automakers who’ve entered the energy storage space including Tesla, Daimler, and Nissan.

“The remarkable advantage for BMW customers in using BMW i3 batteries as a plug-and-play storage application is the ability to tap into an alternative resource for residential and commercial backup power, thus using renewable energy much more efficiently, and enabling additional revenues from the energy market,” said Cliff Fietzek, Manager Connected eMobility at BMW of North America.

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BWW says that it’s the first market-ready home storage system using a repurposed automotive BMW i3 high-voltage battery integrated by BECK Automation, which is based in Wuerzburg, Germany. The battery storage system electrified by BMW i can be equipped with new or “2nd Life Batteries,” also known as repurposed batteries.

BMW has been testing its electric vehicle batteries for stationary power storage in numerous research projects. In 2011, batteries which were previously used in the MINI E test fleet were successfully implemented in a stationary project. In 2013, BMW and the University of San Diego installed a micro grid application with Battery 2nd Life MINI E batteries.