Eos & Siemens launch utility-scale storage partnership


Eos and Siemens have jointly produced an energy storage system that includes AC conversion. The design enables modular installation, which Eos says will reduce maintenance costs throughout the product’s lifetime.

“Working with an established energy industry leader like Siemens is an exciting step for us and the energy storage industry,” says Eos CEO Michael Oster. “By combining Eos’ cost and performance advantage with Siemens’ capabilities in system integration and project execution, we are able to offer solutions that reduce risk while setting a new benchmark for energy storage reliability and effectiveness.”

The product is based on Eos’ Aurora range of batteries offering 1-4 MWh of DC storage with a guarantee supporting up to 20 years continual operation. Siemens is providing additional technology to support and integrate the batteries.

“Our goal is to standardize and productize energy storage products with focus on reliability and return on investment,” said Siemens VP Brian Dula. “This process starts with modelling and analytics and carries all the way through to implementation and performance guarantees. By offering a solution with supporting services, Siemens will help customers realize the full benefits of the Eos Aurora Battery.”

Utility scale storage could be ready to take off in the U.S. market, with Massachussets announcing the start of construction on its first project in late 2016. Testing and validation is underway for Eos/Siemens collaborative product at a behind the meter project at the University of California at San Diego, and several other MW scale projects.

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