Abstract: As of late, the productivity of diesel-electric marine vessels has been subject for exchange with concentrate on enhancing fuel proficiency, diminishing the natural impression from emanations and in addition decreasing running hours and support costs. This study shows an examination of load profiles extricated from three distinct vessels amid operation; a ship, a Platform Supply Vessel (PSV) and a seismic overview vessel. The examination of the separated information demonstrates that the loadings of the diesel motors are normally very low and don’t fall inside the ideal stacking scope of diesel motor’s Specific Fuel Oil Consumption (SFOC) bends. Besides, three distinctive power plant arrangements are proposed and looked at which incorporate settled speed (diesel motor generators), variable speed gensets and usage of an Energy Storage System (ESS). Also, Energy Management System (EMS) calculations in view of Mixed Integer Linear Programming (MILP) are proposed as an appropriate methodology for ideal unit responsibility in the power era. The outcomes yielded from the MILP calculations are contrasted with EMS calculations in light of rationale for example, if/else explanations. The outcomes demonstrate that ideal EMS calculations in blend with an overhauled vessel arrangement can expand the operational productivity as far as fuel investment funds and decrease in genset running hour.