PITTSBURGH — Late last month, western Pennsylvania–based Eos Energy Enterprises announced a smooth leadership transition, with longtime nonexecutive Chairman Russ Stidolph stepping aside and energy industry veteran Joseph Nigro assuming the role to guide the company’s next phase of expansion. The move comes as demand for energy storage has surged, driven by the rapid buildout of artificial intelligence data centers and broader electrification efforts across the region and the country.

Over the past decade, Eos Energy Enterprises has evolved from a startup concept into a key........

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