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Economic and Sustainability Assessment of Floating Photovoltaic Systems in Irrigation Ponds: A Case Study from Alicante (Spain)

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  • María Inmaculada López-Ortiz

    (University Institute of Water and Environmental Sciences, University of Alicante, Carretera San Vicente del Raspeig s/n, 03690 Alicante, San Vicente del Raspeig, Spain)

  • Joaquín Melgarejo-Moreno

    (University Institute of Water and Environmental Sciences, University of Alicante, Carretera San Vicente del Raspeig s/n, 03690 Alicante, San Vicente del Raspeig, Spain)

  • José Alberto Redondo-Orts

    (University Institute of Water and Environmental Sciences, University of Alicante, Carretera San Vicente del Raspeig s/n, 03690 Alicante, San Vicente del Raspeig, Spain)

Abstract

Environmental problems, along with the increasing energy demand and high electricity costs in the agricultural sector, justify the need to explore renewable energy sources in order to improve irrigation efficiency and sustainability. Therefore, the objective of this study is to analyse the feasibility of installing floating photovoltaic panels in the irrigation ponds of irrigation communities (ICs) in the province of Alicante . To this end, a practical case study based on the operating data of a photovoltaic installation on an irrigation pond, which shows 31% self-consumption and a 27% reduction in energy costs, is presented. Based on these results, this type of installation has been considered for the rest of the ponds in the province of Alicante, with an estimated total investment of EUR 130 million and annual savings of EUR 23 million in energy costs. Additionally, barriers such as the initial investment and the need for public financing for large-scale implementation are identified. Finally, it is concluded that the adoption of floating photovoltaic energy represents a key opportunity to reduce dependence on fossil fuels, mitigate environmental impact, and promote the circular economy in the agricultural sector.

Suggested Citation

  • María Inmaculada López-Ortiz & Joaquín Melgarejo-Moreno & José Alberto Redondo-Orts, 2025. "Economic and Sustainability Assessment of Floating Photovoltaic Systems in Irrigation Ponds: A Case Study from Alicante (Spain)," Sustainability, MDPI, vol. 17(13), pages 1-21, July.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:13:p:6212-:d:1696195
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    1. Filip Johnsson & Jan Kjärstad & Johan Rootzén, 2019. "The threat to climate change mitigation posed by the abundance of fossil fuels," Climate Policy, Taylor & Francis Journals, vol. 19(2), pages 258-274, February.
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