Financial Investment Valuation Models for Photovoltaic and Energy Storage Projects: Trends and Challenges
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Multidisciplinary Digital Publishing Institute (MDPI)
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Energy production through non-conventional renewable sources allows progress towards meeting the Sustainable Development Objectives and constitutes abundant and reliable sources when combined with storage systems. From a financial viewpoint, renewable energy production projects withstand significant challenges such as competition, irreversibility of investments, high uncertainty levels, and considerable investment amounts. These facts make their financial valuation fundamental for all the agents involved. Using the Web of Science (WoS) and Scopus databases, a scientometric analysis was carried out to understand the methods that have been used in the financial appraisal of photovoltaic energy generation projects with storage systems. The present research project was developed from 268 studies published between 2013 and 2023; tools such as Bibliometrix 4.1.3, VOSViewer 1.6.19, and Tree of Science 0.0.1a9 were used. Two main findings stand out: (i) the most used methods in the literature are the traditional ones, and within them, the levelized cost of energy has been used with greater frequency; and (ii) there is an interest in analyzing the investments of these systems for residences within the framework of distributed energy generation. Two gaps were found in the literature: (i) the studies that were carried out have not comprehensively incorporated the financial challenges faced by these investments; and (ii) the evaluation of these projects has not been addressed from the perspective of a utility-based power generator. © 2024 by the authors.
Palabras clave
Energy storage, Financial models, Photovoltaic system, Scientometric analysis, Energy storage, Energy generations, Energy productions, Financial investments, Financial modeling, Photovoltaic systems, Photovoltaics, Renewable sources, Scientometric analysis, Storage systems, Valuation model, Investments