Power of Attorney Filing for Alessandro Lagi

This filing is an Exhibit 24, a Power of Attorney, for Alessandro Lagi, Chief Financial Officer of Eos Energy Enterprises, Inc. (EOSE). The document, dated April 30, 2026, and signed by Michael Silberman as attorney-in-fact, grants power to designated individuals to execute and file Forms 3, 4, or 5 reports related to Lagi's transactions in the company's securities. This authorization is in accordance with Section 16(a) of the Securities Exchange Act of 1934. The power of attorney remains in effect until Lagi is no longer required to file these reports or until it is revoked. The filing also notes that Alessandro Lagi directly owns 12,114 shares of common stock following the transaction.