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Eos Energy Enterprises Begins Commercial Production at Thorn Hill Facility

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Eos Energy Enterprises (EOSE) said Tuesday it began commercial operations at its second production line at the Thorn Hill facility in Marshall Township, Pennsylvania, following site acceptance testing.

The company said Battery Line 2's layout cuts raw material travel by 86% and shortens production line length by 40%, improving material handling and enhancing operating efficiency.

With the second production line in operation and Line 1 surpassing its full-year 2025 production within the first 164 days of 2026, Eos Energy said it is advancing toward its goal of 4 gigawatt-hours of annual manufacturing capacity by the end of 2026.

The company added that demand is supported by multiple project pipelines and framework agreements in the US and UK, with Line 2 expected to ramp through the year and reach full production in Q4.

Eos Energy Enterprises shares were up more than 12% in Tuesday trading.

Price: $7.20, Change: $+0.82, Percent Change: +12.77%

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