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Reducing Environmental Impact and Fuel Costs by Installing a Photovoltaic Power Plant On Board

Although maritime transport is currently the most efficient form of transport, it is facing increasingly complex challenges. International conventions and other regulations are continually imposing strict requirements that ships and their energy facilities must meet in order to reduce their negative environmental impact and increase energy efficiency. Increasing energy efficiency also contributes to market competitiveness, and is in the shipowner’s interest. Application of photovoltaic power plants on liquid cargo ships and passenger ships longer than 250 m is considered in this paper. These two ship types were chosen because their purpose and construction features do not present an obstacle to the installation of a photovoltaic power plant. The nominal power of the photovoltaic power plant on the tanker is up to 10% of the installed power of the propulsion machine, and in the passenger ship up to 10% of the total electricity requirements. In the case of tankers, in order to achieve better utilization, the possibility of "storing" energy is suggested for periods when photovoltaic system provides more electricity than needed. The surplus energy can be used for ship propulsion. By using photovoltaic power plants as a supplementary energy source, it is possible to achieve savings in fuel consumption and reduce the negative environmental impact of marine propulsion systems. The achieved results significantly depend on the area and conditions of the ship operation, and on the characteristics of the photovoltaic power plant.

energy efficiency ; environment ; photovoltaic power plants ; marine plants

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