Project Final Report-08121-2901-01-Growing demand for oil and gas worldwide, along with the depletion of existing fields, is driving production towards deepwater assets further away from the shore or a host facility. Such fields require ultra-reliable bulk power T&D with long tiebacks, and present severe challenges to conventional alternating current systems. GE is proposing a direct current T&D architecture based on a modular stacked DC (MSDC) system. The potential benefits include reduced number of subsea components, higher reliability and flexibility, and cost-effective access to widely distributed deepwater reserves.