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Examining the Evolution of Energy Storing in the Ecuadorian Electricity System: A Case Study (2006–2023)

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  • José Oscullo Lala

    (Department of Energy, National Polytechnic School, Quito 170525, Ecuador)

  • Henry Carvajal Mora

    (Faculty of Engineering and Applied Sciences, Telecommunications Engineering, Universidad de Las Americas (UDLA), Quito 170503, Ecuador)

  • Nathaly Orozco Garzón

    (Faculty of Engineering and Applied Sciences, Telecommunications Engineering, Universidad de Las Americas (UDLA), Quito 170503, Ecuador)

  • José Vega

    (Department of Telecommunications, National Polytechnic School, Quito 170525, Ecuador)

  • Takaaki Ohishi

    (Faculdade de Engenharia Elétrica e de Computação, Universidade Estadual de Campinas, Campinas 13084-971, Brazil)

Abstract

Ensuring a balance between supply and demand is critical within electricity grids, requiring a supply composition that guarantees consistent service provision in the short and medium term. Between 2008 and 2017, Ecuador’s electricity generation capacity expanded significantly, with an investment of approximately USD 8150 million into harnessing the potential energy of water. This led to the construction of five high-capacity hydroelectric projects by 2017, contributing 33.4% of the sector’s energy output by 2023. However, it is important to note that if installed hydroelectric projects operate as run-of-river plants, with limited reservoir capacity, they can only regulate water use for electricity generation on an hourly basis. As of 2023, these run-of-river plants represent 68.8% of Ecuador’s total hydroelectric capacity within the National Interconnected System (SNI). Consequently, during periods of low inflows, supplementary energy from other power generation plants is necessary to prevent energy crises. This paper addresses the impact on energy storing for electricity generation resulting from the evolution of hydroelectric power plant entry from 2006 to 2023. This aspect has not been thoroughly examined in hydrothermal systems, which primarily focus on potential energy obtained from dams. Our approach involves a statistical analysis of hydroelectric dam reservoir operational levels. We further explore the influence on demand service within Ecuador’s electricity system, particularly during observed energy crises towards the end of 2023.

Suggested Citation

  • José Oscullo Lala & Henry Carvajal Mora & Nathaly Orozco Garzón & José Vega & Takaaki Ohishi, 2024. "Examining the Evolution of Energy Storing in the Ecuadorian Electricity System: A Case Study (2006–2023)," Energies, MDPI, vol. 17(14), pages 1-15, July.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:14:p:3500-:d:1436716
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    References listed on IDEAS

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    1. Valentina Sessa & Edi Assoumou & Mireille Bossy & Sofia G. Simões, 2021. "Analyzing the Applicability of Random Forest-Based Models for the Forecast of Run-of-River Hydropower Generation," Clean Technol., MDPI, vol. 3(4), pages 1-23, December.
    2. Marta Pereira da Luz & Jefferson Lins da Silva & Edna Lizeth Higuera-Castro & Luciano Ferreira Ribeiro, 2022. "Water Availability Assessment from Power Generation Reservoirs in the Rio Grande Operated by Furnas, Brazil," Energies, MDPI, vol. 15(23), pages 1-13, November.
    3. Łukasz Pieron & Damian Absalon & Michał Habel & Magdalena Matysik, 2021. "Inventory of Reservoirs of Key Significance for Water Management in Poland—Evaluation of Changes in Their Capacity," Energies, MDPI, vol. 14(23), pages 1-25, November.
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