"The FORCE Summer Course 2026 is an international academic program organized by the Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University. FORCE is designed as an international learning platform that integrates academic knowledge, technological innovation, practical experience, and cross-cultural collaboration in renewable energy and sustainable engineering. With the theme ""Renewable Energy"" the program explores recent developments in renewable energy, including solar, wind, bioenergy, energy conversion systems, energy efficiency, and sustainable engineering practices. It also emphasizes the role of innovation and international collaboration in addressing global energy challenges and supporting the transition toward a low-carbon future. The case study activities will take place in Semarang, Indonesia. Through lecturer sessions, cultural sessions, campus tours, city tours, industrial visits, and academic discussions, participants will enhance their knowledge of renewable energy innovation and its real-world applications."