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Eos Energy Enterprises Expands Allegheny County, Pennsylvania, Operations

11/01/2025
Eos Energy Enterprises, a manufacturer of zinc-based battery storage systems, plans to establish operations in Allegheny County, Pennsylvania. The $352.9 million project is expected to create 735 jobs.

The investment will include the relocation of the company's headquarters to Pittsburg and the expansion of its existing manufacturing facility in Marshall Township which will drive large-scale battery production.

“In today’s competitive environment, and in what we’re working to achieve in powering the nation’s future, you need not only natural resources and technology innovations, but also a strong public-private partnership,” said Joe Mastrangelo, Chief Executive Officer of Eos Energy. “What we are announcing today is built upon a strong industrial history, combined with a world class university ecosystem. Pennsylvania is positioning itself at the forefront of America’s energy transition — enabling us to bring America’s battery to scale.”

To support the project the state of Pennsylvania is investing $22 million through grants and capital funding.

“With this expansion, Eos is strengthening two of the key industries at the center of our Economic Development Strategy — energy and manufacturing,” noted Pennsylvania Department of Community and Economic Development (DCED) Secretary Rick Siger. “We are committed to positioning Pennsylvania as both an energy leader and an economic powerhouse and bold investments like this one will help us get there. This project will create and sustain 1,000 jobs while expanding opportunity for people across Western Pennsylvania.”

Eos Energy designs, develops, and manufactures energy storage solutions, primarily using its proprietary Znyth™ aqueous zinc battery technology. The company focuses on providing battery systems for utility, commercial, and industrial customers.

“This is the living embodiment of the value proposition of Pittsburgh sitting at the nexus of energy, innovation and manufacturing,” added Matt Smith, Chief Growth Officer of the Allegheny Conference on Community Development. “Companies from EOS to Google and Meta are sending their toughest problems to Pittsburgh to fix. This is a region that can host manufacturing in each and every county. We continue to be able to make things here.”

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