Exhibit 99.1 Ideal Power Reports First Quarter 2024 Financial Results AUSTIN, TX – May 15, 2024 -- Ideal Power Inc. (“Ideal Power,” the “Company,” “we,” “us” or “our”) (Nasdaq: IPWR), pioneering the development and commercialization of the highly efficient and broadly patented B-TRAN™ bidirectional semiconductor power switch, reports results for its first quarter ended March 31, 2024. “Commercial momentum continues as we commenced shipments of SymCool™ power modules to fulfill customer orders in the first q ...