Inicio Mesa Water Supports CMHS 2020 Solar Cup Mesa Water Supports CMHS 2020 Solar Cup Posted: Saturday, January 4, 2020 Costa Mesa High School's Event is the Nation's Largest Student-Based Solar Boat Race. Mesa Water is proud to support Costa Mesa High School students in the 2020 Solar Cup, the nation’s largest student-based solar-powered boat race. Coached by their STEM teachers, students spend seven months designing and constructing a solar boat, culminating in the Solar Cup competition on May 15-17, 2020 at Lake Skinner. Go Mustangs!