Melba BESS is a battery energy storage facility located in Melba, Idaho, within the Western Electricity Coordinating Council (WECC) region. The plant operates with a capacity of 2 megawatts and is strategically positioned within the power control area of Avista Corporation. Idaho Power Company serves as both the plant operator and the majority owner, with ownership held under its parent company, IDACORP. The facility is regulated, ensuring compliance with industry standards and practices. As an energy storage plant, Melba BESS plays a critical role in enhancing grid reliability and supporting renewable energy integration in the region.