German companies to develop 5 MW modular storage system

A German consortium consisting of E.ON Energy Research Center at RWTH Aachen University, electric utilty E.ON, battery manufacturers Exide and Beta Motion and inverter manufacturer SMA Solar Technology AG aim to build a modular 5 MW battery storage system in Germany in 2014. The project, named M5BAT, is supported by the German Federal Ministry for Economic Affairs and Energy as part of its €6.5 million ($8.9 million) Energy Storage Funding Initiative. The storage system will use several different battery technologies -- lithium-ion batteries to meet short-term demand, high-temperature batteries to supply power for several hours, and lead-acid batteries for when the average discharge time is one hour or less.

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