Economic Analysis and Modelling of Rooftop Photovoltaic Systems in Spain for Industrial Self-Consumption

Álvaro Rodríguez-Martinez and Carlos Rodríguez-Monroy
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Álvaro Rodríguez-Martinez: Department of Industrial Organization, Business Administration and Statistics, E.T.S. Ingenieros Industriales, Universidad Politécnica de Madrid (UPM), Calle José Gutiérrez Abascal 2, 28006 Madrid, Spain
Carlos Rodríguez-Monroy: Department of Industrial Organization, Business Administration and Statistics, E.T.S. Ingenieros Industriales, Universidad Politécnica de Madrid (UPM), Calle José Gutiérrez Abascal 2, 28006 Madrid, Spain

Energies, 2021, vol. 14, issue 21, 1-32

Abstract: This article has been developed to assess the economic feasibility of a rooftop photovoltaic installation of industrial self-consumption. Numerical models that enable an interested person to obtain the main expected parameters will be generated, with those models being the article’s main contribution to the field. To do this, a calculation methodology will be developed through which the reader, knowing the location of the facility and dimensions of the roof, will be able to calculate the maximum installable power, the main parameters related to production, the cost of the installation, and the LCOE of the plant. The use of actual costs will be facilitated in case they are known. Still, it will remain possible to apply the major equipment costs (modules, inverter, and structure) considered throughout the article. This developed calculation methodology will also allow a quick comparison of the forecasts of production, CAPEX, and LCOE of plants designed with different inclinations and different types of modules. Consequently, it will be especially useful in decision-making before developing the plant’s basic engineering. Moreover, the calculations used for modeling the LCOE will be analyzed in depth. This analysis will allow evaluating how the different technical variables affect the profitability of a photovoltaic installation, such as the selected tilt, the location, the module’s technology, or the available area.

Keywords: sustainability; solar energy; photovoltaic energy; renewable energy; self-consumption; rooftop photovoltaic; clean energy transition; solar energy potential (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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