World’s largest flywheel energy storage system with 30 MW output connected to grid

China has unveiled the world's largest flywheel energy storage system, capable of producing 30 megawatts of power. Located in Shanxi province, the Dinglun facility uses 120 advanced magnetic levitation flywheel units to store and release energy quickly. This $60 million project can power over 2,000 homes for a year and will help stabilize the grid and support renewable energy integration. Flywheel systems offer advantages like longer lifespans, lower environmental impact, and higher efficiency compared to some other energy storage methods.