A power assembly a base assembly including a power source and a pedestal assembly. The pedestal assembly includes a head that is removably coupleable to the base assembly, a controller positioned within the head and configured to be in electrical communication with the power source when the head is coupled to the base assembly, and a receptacle assembly removably coupleable to the head and configured to be in electrical communication with the controller when the receptacle assembly is coupled to the head for supplying power to a vessel or vehicle.