Eos Energy Storage Partners with Environment One to Manufacture Grid-Scale Battery Systems in Upstate New York

E/One sets new standard in safe and environmentally sound production of utility energy storage.

NEW YORK, January 31, 2017 - Eos Energy Storage ("Eos") - pioneer of the safe, ultra-low cost Znyth® battery - today announced a manufacturing and assembly partnership with Environment One Corporation ("E/One"), a diversified high-technology company focused on producing protection and performance optimization systems for electric utilities. Through this partnership, E/One will assume responsibility for manufacturing Eos' flagship energy storage solution, the Eos Aurora®.


From its facility in Niskayuna, New York, E/One is manufacturing and integrating Eos batteries into an outdoor-rated, plug-and-play DC module known as the Energy StackTM. Under the manufacturing and supply agreement, E/One will be able to meet growing global demand for Eos' novel energy storage solution with the use of 100 percent domestic manufacturing capacity and labor. The expansion and new operations resulting from the Eos partnership and support from Empire State Development, New York's chief economic development agency, will enable E/One to create a larger number of new jobs in New York State's Capital Region.

"New York is on the fast track to becoming one of the nation's key hubs for high-tech innovation and E/One's exciting plans to expand in the Capital Region continues this momentum," said Governor Andrew Cuomo. "This smart investment will help create jobs and foster innovation in this vital manufacturing sector and continue to grow this region's economy."

The Eos Energy StackTM is a ready-to-install building block that is aggregated to create the Eos Aurora® 1000│4000, a 1MWI4MWh DC battery system being sold today at a price of $160 per usable kWh, which includes enclosure, environmental management and battery management system. This industry-leading energy storage system allows utilities to reduce costs associated with peak demand, optimize grid infrastructure and more reliably integrate renewable energy.

"Eos has the potential to be the leading energy storage system supplier to the global electric utility industry for decades," said Eric LaCoppola, E/One's president. "As a fabricator with over 40 years of experience in manufacturing complex products for electric utilities, E/One enables Eos to compete cost effectively and with aggressively growing volumes in this dynamic space."

Following a close collaboration to develop Eos prototypes, E/One began producing Eos' patented Znyth battery at the manufacturer's upstate New York facility in June 2016. The first commercially available Energy Stacks started rolling off E/One's production line at the beginning of 2017. E/One is moving production to a dedicated new facility for Eos batteries mid-2017, with total production on course to hit a volume of 400MWh per year.

"We couldn't be more excited and gratified to work with E/One to deliver safe and affordable energy storage solutions to utilities and their customers," said Michael Oster, CEO and co-founder of Eos. "By leveraging E/One's existing infrastructure and world-class capabilities, this partnership allows Eos to scale more quickly with greater capital efficiency and with lower risk. Together, we are achieving industry-leading costs that significantly undercut the lithium ion incumbents."

Eos' Znyth technology employs widely available materials and highly commoditized manufacturing processes to deliver energy storage at extremely low cost. In addition, Eos' battery production does not require highly specialized machinery or use of clean room assembly, which is necessary for the production of lithium-ion cells; instead, Eos and E/One are utilizing a retooled assembly line based on existing E/One equipment to eliminate much of the traditional upfront capital and lead time required to deliver grid-connected energy storage systems at scale.

The partnership also reflects a commitment to setting a new standard in safe and environmentally sound production of utility-grade energy storage. In addition to being backed by E/One's UL- and ISO-certified quality assurance and control, the manufacturing process involves no toxic or hazardous materials.

Development of the Eos product was supported by the New York State Energy Research & Development Authority, through collaborative testing with Con Edison of New York, DNV GL, and the New York Battery and Energy Storage Technology consortium at the BEST Test & Commercialization Center in Rochester, as well as an overseas demonstration project with global power producer ENGIE.

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About Eos Energy Storage

Eos' mission is to deliver energy storage solutions that enable safe, reliable, and cost-leading electricity for utilities and their customers. Eos produces a long-life, inherently safe, and easy-to-install DC battery system designed for grid-connected applications, as well as commercial and industrial markets. The Eos Aurora® is the lowest cost and highest performance energy storage system designed to optimize grid infrastructure, enhance reliability, and to reduce costs associated with peak demand. Eos is located in Edison, NJ, and New York, NY. For more information, please visit https://www.eosenergystorage.com/

About Environment One

With corporate headquarters in New York and regional offices and distribution throughout the industrialized world, Environment One Corporation (E/One) is a manufacturer and provider of products and services for the disposal of residential sanitary waste and utility systems for the protection and performance optimization of electric utility assets. For more information about E/One, visit www.eone.com.

Media Contacts

Eos Energy Storage
Philippe Bouchard, 212-628-7191
pbouchard@eosenergystorage.com
www.eosenergystorage.com

Eco Branding for Eos Energy Storage
Jake Rozmaryn, 866-945-9445 ext. 701
eos@ecobrandit.com

Environment One Corporation
George Vorsheim, 518-579-3279
gvorsheim@eone.com

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