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Feasibility Limits for a Hybrid System with Ocean Wave and Ocean Current Power Plants in Southern Coast of Brazil

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Document pages: 17 pages

Abstract: Some types of renewable energy have beenexperiencing rapid evolution in recent decades, notably among the energiesassociated with the oceans, such as wave and current energies. The developmentof new energy conversion technologies for these two forms of energy has beenoffering a large number of equipment configurations and plant geometries forenergy conversion. This process can be implemented aiming at the result offeasibility studies in places with energy potentials, establishing minimumfeasibility limits to be reached. This work aims to contribute in this sensewith a feasibility study of a system with ocean wave power plants and withsocio-current power plants to be operated on the southern coast of Brazil. Thisstudy evaluates a hybrid system with contributions from energy suppliesobtained from wave plants and current plants, connected to the grid andsupplying the demand of the municipalities in the North Coast region of theState of Rio Grande do Sul, the southernmost state of Brazil. The study wascarried out with simulations with the Homer Legacy software, with someadaptations for the simulation of ocean wave plants and ocean current plants.The results indicate that the ocean wave power plants were viable in the vastmajority of simulated scenarios, while the ocean current power plants wereviable in the scenarios with more intense average ocean current speeds and withmore expensive energy acquired from the interconnected system.

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