TOKYO--(BUSINESS WIRE)--Toshiba Corporation (TOKYO:6502) today announced that it has supplied a traction energy storage system (TESS) to Tobu Railway Co., Ltd. TESS stores traction energy generated by decelerating trains as they enter a station and releases it as needed when trains accelerate from the station. The system is planned to operate from December 22. Toshiba’s TESS is installed at Unga station on the Tobu Urban Park Line, and utilizes Toshiba’s SCiBTM rechargeable batteries to store r