Electric ship docks in China, then starts sending power back to shore like a giant EV battery

Electric ship docks in China, then starts sending power back to shore like a giant EV battery

A recent test at a Chinese port showed an electric tugboat doing more than taking on a charge: it sent electricity from its batteries back to land. The result suggests that ships could eventually serve as grid-connected storage for ports, supplying power when demand is high rather than sitting idle at the dock. Over the course of a seven-hour trial at the Port of Lianyungang, the all-electric Yungang Electric Tug No. 9 discharged power to shore …