Ecosystem Services and Environmental Investments
a case study of the Itaipu Hydroelectric Plant
DOI:
https://doi.org/10.22456/1983-8026.133484Palabras clave:
Ecosystem services; Environmental investments; Hydroelectric plants.Resumen
The aim of this research consists in measuring the ecosystem service of regulation of soil erosion for the Itaipu hydroelectric plant. It may be considered one of the first approaches in the Brazilian electricity sector, it offers relevant data to support the decision-making process of the investigated organization, as it broadens the understanding of the risks arising from sedimentation and water scarcity. As methodological procedures, it was applied simulation considering replacement costs and the evaluation of any revenue not earned by the accumulation of sediment, having as reference the average monetary value of the cubic meter of water used in the generation of energy. It was observed that for every US$ 1 invested in these vegetation maintenance and soil conservation activities, costs of US$ 4.53 to US$ 520.65 are avoided, with the process of dredging and recovering the reservoir. This research corroborates previous studies on the need to work and maintain the vegetation areas close to the reservoir, maintaining the operating conditions of the hydroelectric plant, and contributing to the investments dimensioning and for the opportunity to act preventively in the vegetation areas of interest, aiming at maintaining the useful life of the reservoir and the hydroelectric plant.
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