RESI is a leading innovator in Australia’s energy transition, established in 2021 as a subsidiary of Sunterra Energy. We specialize in Battery Energy Storage Systems (BESS), providing comprehensive lifecycle services from design and engineering to operation and maintenance. With Australia’s first integrated BESS lab, we offer cutting-edge solutions, including smart controls, grid compliance validation, and system integration. RESI ensures optimal performance and sustainability across projects, leveraging advanced testing and simulation tools to deliver reliable and efficient energy systems for a cleaner future.