### Optimal Design for an Electrical Hybrid Microgrid in Colombia Under Fuel Price Variation

#### Abstract

*interior-point*algorithm. The hybrid microgrid is composed by a diesel generator, photovoltaic panels, wind turbines, and batteries. In addition each design is obtained for a given diesel generating cost. In each design the number of photovoltaic panels, wind turbines, and batteries for a given type of element are calculated. The unmet load and the power delivered by the diesel generator are calculated for each time interval. The optimization objective is to minimize the total system cost. The optimization results show that for a certain diesel cost, the system obtained only uses renewable energy and storage to supply load demand, although the diesel generator infrastructure is already in place, and no initial investment costs associated with diesel generation were assumed.

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