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Partnership to roll out aqueous zinc batteries for lower cost grid energy storage

Partnership to roll out aqueous zinc batteries for lower cost grid energy storage

Business news |
By Nick Flaherty



The deal combines the low cost Eos Aurora DC battery system with Northern Power’s energy storage inverter, controls, and engineering expertise. The suite of integrated solutions provides 4 hours of usable energy using modular 250kW battery building blocks that are scalable for multi-megawatt applications.

“Batteries represent a significant portion of the performance and cost of an energy storage system,” said Chris McKay, Director of Sales at Northern Power Systems. “By using the Eos Aurora, we can deliver a fully integrated energy storage system (ESS) at an all-in, installed price of less than $400/kWh—depending on project size and location but always with the quality, functionality and reliability that is characteristic of Northern Power. We believe this offering will allow more customers than ever to access the benefits of an on-site energy storage system.”

Northern Power and Eos are jointly developing and supplying turnkey ESS solutions offering seamless integration of batteries, power conversion, and controls along with installation and maintenance services as needed. The joint product is aimed at utilities who want to provide relief in grid constrained areas, lower capacity payments, defer substation upgrades or better integrate renewable energy. The integrated product is also appropriate for large commercial and industrial facilities looking to lower demand and peak energy charges, or provide resiliency against grid outages.

“Northern Power’s patented converter architecture and advanced controls technology are an excellent match for Eos’ battery offering. The team’s engineering capabilities will ensure successful system integration and performance for major utilities around the world,” said Eos Vice President of Business Development, Philippe Bouchard. 

The Aurora battery solution is powered by the company’s aqueous, zinc hybrid cathode Znyth technology and allows a volume price of $160/kWh for a DC system and an expected life of 5,000 full depth-of-discharge cycles. Each 250kW subsystem is 3 x 3 x 5m and Eos offers several layout options for a 1MW, 4MWh footprint.

Northern Power’s FlexPhase power converter technology uses a modular, compact, and efficient design that is easy to service. The platform allows for a wide range of DC voltages suitable for a variety of battery types. Northern Power’s proprietary PowerRouter controls allow for seamless transitions between grid and islanded operation, as well as black start capability. The grid-friendly design improves power quality and system stability.

The Eos Aurora DC battery system is being integrated with Northern Power’s advanced power converters and control software with the aim of delivering fully-integrated products to major utilities in the second quarter of 2017.

www.northernpower.com www.eosenergystorage.com

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