Volvo in Unique Research Project: Electric Bus Batteries Used to Store Solar Energy

In Viva housing cooperative, Riksbyggen, Volvo, Göteborg Energi and Johanneberg Science Park have created a unique system whereby energy from solar panels on the roofs of the apartment buildings is stored in batteries that previously powered electric buses on route 55. The energy warehouse is used to cut the property's power consumption peaks, and to store or sell surplus solar energy. It can also be used to buy and store electricity from the national grid when it is cheap and green, for later use. This improves the efficiency of housing association Viva's own energy system as well as that of the city's power grid.
Sweden, (informazione.it - comunicati stampa - industria)

In Viva housing cooperative, Riksbyggen, Volvo, Göteborg Energi and Johanneberg Science Park have created a unique system whereby energy from solar panels on the roofs of the apartment buildings is stored in batteries that previously powered electric buses on route 55. The energy warehouse is used to cut the property's power consumption peaks, and to store or sell surplus solar energy. It can also be used to buy and store electricity from the national grid when it is cheap and green, for later use. This improves the efficiency of housing association Viva's own energy system as well as that of the city's power grid.

"We know that electric bus batteries have good potential for other applications such as energy storage after the end of their life in public transport. What we are examining here is exactly how good that potential is. Use of the batteries in an energy warehouse gives them an extended service life which in turn means better resource utilisation and less environmental impact. Here at Volvo we are examining various possibilities for the reuse of bus batteries for energy storage, and Viva is one such example," says Ylva Olofsson, Project Coordinator at Volvo.

The battery warehouse consists of 14 used lithium-ion electric bus batteries. They are installed in a battery chamber and linked together to create a 200 kWh storage pack. This energy warehouse allows a larger proportion of Viva's solar-generated electricity to be used for the housing association's power needs.

The research around bus batteries is done with support from the EU-project IRIS Smart Cities. IRIS is a 5-year long Light House-project, financed by EUs HORIZON 2020.

Helena Lind,
Media Relations
Volvo Buses
Tel: 46(0)31-323-62-57

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http://news.cision.com/volvo-buses/r/volvo-in-unique-research-project--electric-bus-batteries-used-to-store-solar-energy,c2692320

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