HELSINKI–(BUSINESS WIRE)– #ESG–Technology group Wärtsilä and RCT Solutions GmbH today launched Valo, a global battery energy storage system integrator designed to help customers navigate the growing complexity of delivering utility-scale energy storage projects. Energy storage projects are getting bigger, but scale is only part of the challenge. The real complexity lies in delivering systems that can meet evolving grid and market requirements globally, executing flexible, secure, and resilient resp