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Optimal Dispatch of a Grid-connected Hybrid Microgrid with Ocean and Solar generation

An optimal dispatch of a grid-connected hybrid microgrid, with solar and ocean generation, and storage system, has been investigated and solved in this paper. The problem has been formulated as a non-linear optimization process with integer and real variables, which is efficiently solved through a problemoriented metaheuristic. It was possible to identify significant savings obtained due to the shifting of the produced energy supply by renewable sources to times when the energy cost is higher. The results showed that the combination of different renewable sources has significant effects on the microgrid economic and operational performance.