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Eos Energy Storage and Siemens Partner on Grid-Scale Storage

January 25, 2017 by Jeff Shepard

Eos Energy Storage announced a partnership with Siemens to integrate, install and service energy storage solutions based on Eos' ultra-low cost Znyth® battery technology. Together, Siemens and Eos are able to offer energy storage solutions for a broad range of grid-connected and off-grid markets. Collaborative testing and product validation is setting the stage for MW-scale installations in the first half of 2017 including a California Energy Commission funded project with Pacific Gas & Electric (PG&E), demonstration of a behind-the-meter, commercial and industrial product at the University of California at San Diego, and a first-ever utility microgrid installation combining the Eos Aurora with on-site solar and diesel generation.

"Working with such an established energy industry leader like Siemens is an exciting step for us and the energy storage industry," said 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 and complexity for the customer while setting a new benchmark for energy storage reliability and cost-effectiveness."

The Eos Aurora® 1000 4000 a 1MW, 4MWh dc battery system is being sold today at $160 per usable kWh for the full dc system with performance guarantees supporting up to 20 years of continuous operation with minimal maintenance. Eos packages its patented Znyth® technology in a modular, pre-integrated, outdoor-rated enclosure called the Energy Stack™.

Leveraging this novel design, Eos and Siemens have jointly productized an energy storage system including ac power conversion and controls that enables modular installation and ease of maintenance, lowering cost throughout the project development cycle. This joint product offers utilities an economic alternative to conventional system upgrades, renewable energy developers a means of dispatchable hybrid power, and commercial customers load management savings paired with enhanced power quality and reliability.

"Our goal is to standardize and productize energy storage projects with focus on reliability and return on investment for the customer," said Siemens VP Brian Dula. "This process starts with modeling and analytics to optimally size the energy storage asset and carries all the way through project implementation and performance guarantees. By offering a solution with supporting services, Siemens will help customers realize the full benefits of the Eos Aurora battery."