With the advent of autonomy on and under the water, part of the value proposition is the ability to stay at sea, on station, to exponentially increase efficiencies. Have the ability to repower at sea is central to this effort, as an increasing number of companies work to solve the inherent technical and logistic problems.Columbia Power Technologies (C-Power) is commencing a six-month sea trial to test and validate its SeaRAY autonomous offshore power system (AOPS), in partnership with a pair of powerhouses: the U.S. Department of Energy (DOE) and the U.S. NavyInitially conceived during a U.S.