08:52 AM EDT, 10/21/2025 (MT Newswires) -- Eos Energy Enterprises ( EOSE ) and Talen Energy ( TLN ) said Tuesday they form a collaboration to jointly develop multiple energy storage projects throughout Pennsylvania for artificial intelligence infrastructure.

Financial terms were not disclosed.

The partnership will utilize Eos' American-made Z3 battery technology and Talen's generation portfolio in the state to provide power for enhancing grid reliability, the companies said.

Shares of Eos Energy ( EOSE ) were up over 21% in recent Tuesday premarket activity, while Talen Energy's ( TLN ) stock was almost 1% lower.