Elevators have received little attention from an energy efficiency perspective in the past. A standard electric elevator is a machine that can move load up or down. In electric traction elevators that include inverters, the generated energy is wasted as heat via the braking resistors. The ElevatorKERS stores the energy in Skeleton Technologies’ ultracapacitors until it is needed again to help power the elevator and decrease the use of energy from the grid. Energy-intelligent elevators reduce energy consumption by up to 70% by storing and re-using energy generated during operation.