Eos to supply AC battery energy storage to CHES


Eos Energy Storage (Eos), a manufacturer of safe, low-cost and long-lasting zinc hybrid cathode (Znyth) battery energy storage systems, has entered into an agreement to supply 500 MWh of integrated AC battery energy storage (BESS) to Carson Hybrid Energy Storage (CHES).

Starting in the first quarter of 2023, Eos will manufacture, design and deliver its zinc-based battery solutions to CHES.

These safe, sustainable, long duration battery solutions will be used in conjunction with the existing power generation and substation architecture to store renewable energy generation capacity and to provide better power quality and resilience to the California power grid.

“The recent rolling blackouts in California call for another transformation in energy, this time related to supply. We believe long duration energy storage is going to play a pivotal role in this transformation over the next three to five years. Eos is delighted to be partnering with an innovator such as CHES, which is seeking to build this project to provide solutions around a premium zone in Los Angeles. Eos’s zinc batteries are non-flammable, built with environmentally friendly materials, and are manufactured right here in the USA. They are a perfect fit for addressing the need which we have seen from some of our recent projects in California on a smaller scale.”

Balki G. Iyer, chief commercial officer of Eos.

“California needs fire safe, large scale energy storage located in our cities and towns to provide grid reliability as we move towards our zero carbon future. The recent blackouts showed that California cannot rely on out of state imports during climate induced heat waves affecting regions and not individual states. CHES is committed to developing safe energy storage solutions located in the Los Angeles basin.

“We seek to partner on this project and a second project with LA’s Load Serving Entities (LSE) that value our safe, city based product. With support from Southern California Edison, we are going to maximize the benefit of an existing interconnect to allow for this important energy storage resource to be located in the Los Angeles basin. Choosing Eos was easy, as their zinc aqueous technology is safe from fire, made in the USA, and provides green jobs. We will implement a pilot 1 MW behind the meter project in the Los Angeles basin in 2021 and then scale rapidly.”

Peter Reardon, president of CHES.

Nedim Husomanovic

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