Pennsylvania Business Report

Pittsburgh’s Eos Energy Enterprises launches commercial production at second facility

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By Liz Carey  |  June 18, 2026

Pittsburgh-based Eos Energy Enterprises, Inc., an innovator in designing, manufacturing, and providing zinc-based long duration energy storage (LDES) systems, said it will begin commercial production at a second PA facility. The company said its Thorn Hill manufacturing facility in Marshall Township will be the site for Battery Line 2, now that the company has successfully completed Site Acceptance Testing. The launch of Battery Line 2 comes after the successful deployment of Line 1, and mar...

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