Optimizing ecological benefits in weekly-regulated hydropower plants: A framework integrating power market information

Zhiyuan Wu, Guohua Fang, Jian Ye, Xianfeng Huang and Min Yan

Renewable Energy, 2024, vol. 231, issue C

Abstract: The production of hydropower has profound impacts on the sustainability of downstream river ecosystems. However, current studies often overlook the crucial role of power market information in this process. This study aims to investigate the ecological impact of power market information on the downstream river of weekly-regulated hydropower plants. Additionally, it explores strategies to enhance ecological benefits while minimizing the adverse effects on power generation. To achieve these, this study proposes an ecological management framework for the downstream river of hydropower plants. This framework effectively models the scheduling of hydropower plants in the context of the power market and tracks changes in ecological indicators to assess the ecological consequences of power market information. Through a case study conducted in the Wujiang River Basin, we analyze the impact of electricity price characteristics on release flow and downstream ecological benefits. We also provide recommendations for optimizing generation strategies to enhance ecological benefits while minimizing revenue losses. The findings of this study can serve as a reference for the ecological management of hydropower plants, ensuring the sustainability of power generation.

Keywords: Hydropower production process; Day-ahead power market; Reservoir scheduling; Ecological management; River ecosystem benefits (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:231:y:2024:i:c:s0960148124009893

DOI: 10.1016/j.renene.2024.120921

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