River systems under peaked stress

Hannu Marttila; Hannu Huuki; Faisal Bin Ashraf; Epari Ritesh Patro; Seppo Hellsten; Enni Ruokamo; Santtu Karhinen; Atso Romakkaniemi; Maria Kopsakangas-Savolainen; Eva Pongracz; Zeeshan Tahir Virk; Ali Torabi Haghighi; Artti Juutinen

doi:10.1088/1748-9326/ad4db9

River systems under peaked stress

Hannu Marttila, Hannu Huuki, Faisal Bin Ashraf, Epari Ritesh Patro, Seppo Hellsten, Enni Ruokamo, Santtu Karhinen, Atso Romakkaniemi, Maria Kopsakangas-Savolainen, Eva Pongracz, Zeeshan Tahir Virk, Ali Torabi Haghighi, Artti Juutinen

Water Resources Science & Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The change in the global energy production mix towards variable renewable energy sources requires efficient utilization of regulated rivers to optimise hydropower operations meet the needs of a changing energy market. However, the flexible operation of hydropower plants causes non-natural, sub-daily fluctuating flows in the receiving water bodies, often referred to as ‘hydropeaking’. Drastic changes in sub-daily flow regimes undermine attempts to improve river system health. Environmental decision makers, including permitting authorities and river basin managers facing the intense and increasing pressure on river environments, should consider ecosystem services and biodiversity issues more thoroughly. The need for research innovations in hydropeaking operation design to fulfil both the water and energy security responsibilities of hydropower is highlighted. Our paper outlines optimized hydropeaking design as a future research direction to help researchers, managers, and decision-makers prioritize actions that could enable better integration of river science and energy system planning. The goal of this is to find a balanced hydropower operation strategy.

Original language	English
Article number	064071
Journal	Environmental Research Letters
Volume	19
Issue number	6
DOIs	https://doi.org/10.1088/1748-9326/ad4db9
State	Published - Jun 1 2024

Funding

Funding was provided by the Academy of Finland\u2019s EcoRiver Project (Project Number 323810). We also thank VNTeas Project VHS-s\u00E4\u00E4t\u00F6voima, Number VN/31385/2022 and Interreg Aurora\u2019s RE-HYDRO Project (#20358005) for funding. Faisal Bin Ashraf is an employee of UT-Battelle, LLC, Under Contract DE-AC05-00OR22725 with the US Department of Energy (DOE). Accordingly, the US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript or allow others to do so, for US Government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan ( www.energy.gov/doe-public-access-plan )

Keywords

hydropeaking
hydropower
river regulation
sustainability
water resources

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10.1088/1748-9326/ad4db9

Cite this

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title = "River systems under peaked stress",

abstract = "The change in the global energy production mix towards variable renewable energy sources requires efficient utilization of regulated rivers to optimise hydropower operations meet the needs of a changing energy market. However, the flexible operation of hydropower plants causes non-natural, sub-daily fluctuating flows in the receiving water bodies, often referred to as {\textquoteleft}hydropeaking{\textquoteright}. Drastic changes in sub-daily flow regimes undermine attempts to improve river system health. Environmental decision makers, including permitting authorities and river basin managers facing the intense and increasing pressure on river environments, should consider ecosystem services and biodiversity issues more thoroughly. The need for research innovations in hydropeaking operation design to fulfil both the water and energy security responsibilities of hydropower is highlighted. Our paper outlines optimized hydropeaking design as a future research direction to help researchers, managers, and decision-makers prioritize actions that could enable better integration of river science and energy system planning. The goal of this is to find a balanced hydropower operation strategy.",

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AU - Karhinen, Santtu

AU - Romakkaniemi, Atso

AU - Kopsakangas-Savolainen, Maria

AU - Pongracz, Eva

AU - Virk, Zeeshan Tahir

AU - Torabi Haghighi, Ali

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River systems under peaked stress

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