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Eos Energy to build second zinc battery storage manufacturing plant in Pittsburgh

By Kelly Pickerel | October 21, 2025

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Zinc-based battery storage manufacturer Eos Energy will expand its Pennsylvania manufacturing footprint, bringing its annual manufacturing capacity to 8 GWh.

Eos

Eos was awarded a joint $24 million economic development package from Pennsylvania Governor Josh Shapiro and Allegheny County to bring 1,000 new jobs to the Pittsburgh area. Eos will build a new 432,000-ft2 facility in Marshall Township to house additional production lines, complementing the company’s existing facility in Turtle Creek.

“Energy storage is the backbone of a modern energy system, and this significant milestone marks our progress to bring America’s battery to scale,” said Joe Mastrangelo, Eos CEO. “Through Project AMAZE, we’re proving that you can make things in America again by building world-class capacity, pairing advanced manufacturing with innovative software, and doing it here in Pennsylvania to ensure a more energy-efficient and secure future.”

The new facility will help Eos transition from single piece flow operations to high-efficiency, large-scale production, marking the culmination of years of process development designed to bring zinc-based energy storage to market at scale.

Eos will also establish a new software hub at Nova Place, Pittsburgh’s premiere technology and innovation center, that supports the Company’s growing workforce and proprietary battery management system, software, controls and analytics platform, DawnOS. Eos joins a community of other advanced manufacturing, data/telecommunications, AI, electric utilities and robotics leaders in Pittsburgh’s innovation headquarters.

As part of its expanding software and engineering focus, Eos also plans to deepen its partnership with Carnegie Mellon University, a leading institution in robotics, AI, computer science and engineering to further develop a trained workforce to work in Eos’ software hub.

“Carnegie Mellon University is thrilled to celebrate this milestone with Eos, and we are looking forward to the many opportunities it unlocks – for Pittsburghers, our students, and America’s bright future in manufacturing,” said CMU President Farnam Jahanian.

News item from Eos

About The Author

Kelly Pickerel

Kelly Pickerel has more than 15 years of experience reporting on the U.S. solar industry and is currently editor in chief of Solar Power World.

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