Amber Kinetics manufactures and sells grid-scale kinetic energy storage systems that integrate renewable energy sources into power grids. Their flywheel energy storage systems enable electric utilities to integrate variable wind and solar generation, extending the duration and efficiency of flywheels from minutes to hours. With breakthrough 4+ hour kinetic energy storage systems, Amber Kinetics provides long-duration, high-utilization solutions for grid, microgrid, and commercial and industrial applications.