Eos Partners with NEC on Next Gen Energy Storage

October 9, 2015 - Westborough, MA, USA - NEC Energy Solutions ("NEC ES"), a subsidiary of NEC Corporation, announced today that it has entered into an agreement with Eos Energy Storage LLC ("Eos") to develop next-generation energy storage solutions based on Eoss Znyth zinc hybrid cathode battery chemistry and its Aurora DC battery system. NEC ES will collaborate with Eos to provide a complete GSS (grid storage solution), which includes DC battery systems, power conversion systems, controls hardware, the NEC ES AEROS controls software suite as well as service and maintenance packages.

With a strong reputation for safety, reliability and speed of installation, the GSS is one of the most widely deployed grid energy storage solutions in the world with over 120MW installed. In the largest deployed sites, exceptional commercial reliability is being achieved with availability factors of over 99%. The GSS can also be rapidly deployed and put into commercial operation within six weeks of equipment delivery on-site.

"Looking into the future, we acknowledge that no single energy storage technology will be able to meet the diverse needs of the grid and other stationary applications. This collaboration with Eos is part of our ongoing commitment to develop a comprehensive energy storage technology portfolio for our GSS and provide energy storage capabilities that match evolving industry needs," said Bud Collins, CEO of NEC ES.

Eoss Aurora DC battery system is optimized for four hours of continuous discharge and can be used for peak shaving, solar and wind energy time-shifting or transmission and distribution (T&D) grid support.

"With batteries currently being tested with major utility companies around the world, Eos is demonstrating the technologys viability and its ability to provide DC energy storage systems at pricing levels that increase the number of economically viable applications and opens up new markets to storage," said Mr. Collins.

The collaboration expands NEC ES energy storage technology offerings and allows the company to supply an Eos-enabled GSS, supporting reliable, secure, efficient and sustainable electricity grid infrastructure.

"With NEC Energy Solutions global reach, system integration expertise and track record of reliability, Eos has established a powerful partnership to offer and support turn-key solutions for our Aurora customers worldwide," said Philippe Bouchard, VP of Business Development at Eos. "At a price of $160/kWh, the Aurora DC battery system offers industry-leading cost, safety, and longevity. Our combined capabilities will create cost-effective, robust, and most importantly, bankable energy storage solutions designed to meet longer duration requirements in a safe and certified package."

The companies are able to quote turn-key systems today with multi MW-scale volume available in 2016 as Eos gears up for mass production.

About NEC Energy Solutions
NEC Energy Solutions develops and manufactures smart energy storage solutions for electric grid, backup power and lead-acid replacement applications with system integration expertise focusing on high performance, efficiency, safety and reliability. NEC Energy Solution's products range from compact advanced industrial batteries to massive grid-scale energy storage systems. Its turnkey GSS (Grid Storage Solution) products have successfully operated in commercial revenue service since 2009, while its commercial and specialty batteries provide solutions to fit the needs for telecom, IT backup, datacenter, medical, lead-acid replacement and other industrial applications. For more information, please visit

About Eos Energy Storage
Eos Energy Storage is enabling safe, reliable, and affordable energy storage. The company specializes in manufacturing low-cost DC battery systems for electric utilities with additional applications in commercial and industrial, telecom and residential markets. Eoss mission is to produce safe, robust and cost-effective energy storage solutions that are less expensive than incumbent alternatives. Eos is located in Edison, NJ, and New York, NY. More information is available at

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