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Iron-based flow battery firm ESS Inc. boosts board and launches large-scale systems

Fri, 03/05/2021 - 10:33 -- Vic
Raffi Garabedian

Iron-based flow battery firm ESS Inc. has added solar renewable energy industry veteran Raffi Garabedian to its board of directors. 

Prior to joining the ESS board, Garabedian served as First Solar’s chief technology officer from 2012 to last year. Garabedian oversaw the solar firm’s advanced research and development, including cadmium telluride technology development.

Preceding First Solar, Garabedian spent more than 15 years in the semiconductor and microelectromechanical systems (MEMS) industries.

Garabedian (pictured) said: “Having worked with utility-scale solar for much of my career, I know first-hand the need for long-duration storage to support deployment of large renewable resources.”

The announcement comes in the same week ESS Inc. launched its utility-scale Energy Center storage system, sized to the specific needs of front-side-of-the-meter use cases and larger commercial and industrial facilities. 

The systems can be configured in different power capacities, starting at 3MW, with energy durations ranging from six to 16 hours, to support large-scale renewable energy projects, provide transmission and distribution-level services, and for utility peaker plant replacement applications.

Renewables firm Enertis Solar has worked with ESS on optimising the overall design of the Energy Center solution.

Mark Burton, senior engineer for energy storage at Enertis Solar, said: “As we are seeing market requirements for utility-scale energy storage moving from traditional two- to four-hour lithium-ion-based capability to longer eight- to 12-hour durations, that emphasise flexibility and long life, it is clear that proven and practical flow batteries offer key design and cost advantages over lithium.”

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ESS Inc gains $30 million funding for iron flow battery making process

Thu, 10/31/2019 - 15:37 -- paul Crompton

Energy storage firm ESS Inc will use $30 million in new funding to expand and automate the manufacturing process of its second-generation iron flow battery technology. 

The US firm plans to use the cash secured in its Series C investment round on developing production capacity at its Wilsonville, Oregon, facility to 1GWh.

An ESS spokesman told BEST: "One of the unique aspects of ESS iron flow battery technology is the extremely low capital costs required to set up the manufacturing of battery modules.The company's manufacturing investment requires only a fraction of the tens of millions, if not hundreds of millions, of dollars that are required by lithium-ion batteries to achieve similar GWh scale production capacity."

They added that in the context of lithium-ion manufacturers, they mean total power, whereas ESS was aiming to scale up to 1 GWh/year for systems that could range from 4 to 10 hours in energy duration.


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