Cost-Benefit Analysis of the Installation of Photovoltaic Panels on Residential Buildings in Tarragona
DOI:
https://doi.org/10.17345/rcda3526Keywords:
Self-consumption, Solar energy, Real Estate Tax, TarragonaAbstract
This article analyses the possible advantages of using photovoltaic solar energy to meet the energy needs of residential buildings, in terms of investment cost, annual savings, and payback period for monthly energy consumption from 200 to 1.000 kWh. In the study of the economic profitability of these installations, the Real Estate Tax bonus introduced by the Fiscal Ordinance and Public Prices of 2022 of the Tarragona City Council is considered. The results show that the Real Estate Tax bonus represents a very important economic aid for monthly energy consumption of less than 500 kWh since it reduces the payback period of the initial investment by half; also, that a photovoltaic system is more profitable for high energy consumption.
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