Technical economic analysis of a low power hybrid wind-solar system grid connected

Sócola, Jorge Serván; Aldana, Daniel Marcelo
November 2014
Applied Mechanics & Materials;2014, Vol. 704, p204
Academic Journal
The main aim of this work is to develop a methodology that allows performing an economic technical analysis of an energy generation system in base to renewable sources, with the capacity to feed to an average residential house connected to the electrical grid. As a first step should be to determine the energy demand for a residential user of the study area. Later, it performs an analysis in steady state of the energetic resources, in order to evaluate the energetic potential and right-sizing system available for energy demand estimated. Once dimensioned, the system proceeds to select the main components that conform it, makes the calculations for the dimensioning of the electrical system, and selects the type of structures of support as well as the location with a better provision inside the location area. Following each step of this methodology, it has been selected like a better alternative: a wind turbine of 2 kW and four photovoltaic panels of 240 Wp like main energetic sources of the hybrid, which will produce a total of 4055.24 kWh yearly, covering the annual demand with an surplus energy of 609.64 kWh a year and to a cost of 0.361 $/kWh, which is higher than the average cost of the electrical energy inside the residential areas. What concludes by the economic-financial analysis, the need of a co-financing and a policy of incentives from the government that benefits to the small auto-producers to use renewable energy sources.


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