Resilience of hydropower plants to flow variation through the concept of flow elasticity of power: Theoretical development

Article


Devkota, Laxmi P., Bhattarai, Utsav, Khatri, Pawan, Marahatta, Suresh and Shrestha, Dibesh. 2022. "Resilience of hydropower plants to flow variation through the concept of flow elasticity of power: Theoretical development." Renewable Energy. 184, pp. 920-932. https://doi.org/10.1016/j.renene.2021.11.051
Article Title

Resilience of hydropower plants to flow variation through the concept of flow elasticity of power: Theoretical development

ERA Journal ID4067
Article CategoryArticle
AuthorsDevkota, Laxmi P., Bhattarai, Utsav, Khatri, Pawan, Marahatta, Suresh and Shrestha, Dibesh
Journal TitleRenewable Energy
Journal Citation184, pp. 920-932
Number of Pages13
Year2022
PublisherElsevier
Place of PublicationUnited Kingdom
ISSN0960-1481
1879-0682
Digital Object Identifier (DOI)https://doi.org/10.1016/j.renene.2021.11.051
Web Address (URL)https://www.sciencedirect.com/science/article/abs/pii/S0960148121016335
Abstract

Fluctuation in hydro-electricity production is primarily attributed to natural and human-induced flow variations. Reduced electricity generation because of unavailability of flow inflicts significant upward pressure on the sources and prices. Despite studies on the impact of externalities on river flow variation, there is a distinct research gap on the responsiveness of hydropower plants to change in flow. This study has introduced a novel concept of flow elasticity of power (ε) to assess the resilience of hydropower projects to flow variation. The theoretical aspect has been established for run-of-river (ROR) and storagetype (ST) cases separately and validated at two projects, one of each type, located in the Budhigandaki Basin in central Nepal. Responsiveness of hydro-projects to the topographical parameters are also dealt with here. For ROR systems, wide-ranging values of ε indicate varying levels of resilience to power generation and loss of resources. For ST projects, the response differs according to emptying, filling and ROR-equivalent phases. Furthermore, strong topographical implications on power production and its elasticity are evident. This concept of ε sets out a significant research contribution in the hydropower sector and demonstrates its possibility of direct application in projects ‘in priori’ as well as ‘posteriori’ while planning/designing and operating/updating stages, respectively. The ε coefficient scientifically informs the planners and developers on the sensitivity of the powerplants to hydrological variations and topography ultimately benefitting the existing global challenge to minimize the loss of precious resources for sustainable hydropower development.

KeywordsBudhigandaki; Resilience; Flow variation; Hydropower; Elasticity
ANZSRC Field of Research 20203001. Agricultural biotechnology
Public Notes

Files associated with this item cannot be displayed due to copyright restrictions.

Byline AffiliationsNepal Academy of Science and Technology
Institute for Life Sciences and the Environment
Water Modeling Solutions, Nepal
Tribhuvan University, Nepal
Permalink -

https://research.usq.edu.au/item/z01xq/resilience-of-hydropower-plants-to-flow-variation-through-the-concept-of-flow-elasticity-of-power-theoretical-development

  • 4
    total views
  • 1
    total downloads
  • 0
    views this month
  • 0
    downloads this month

Export as

Related outputs

Questioning the use of ensembles versus individual climate model generated flows in future peak flood predictions: Plausibility and implications
Devkota, Laxmi Prasad, Bhattarai, Utsav, Devkota, Rohini, Maraseni, Tek and Marahatta, Suresh. 2024. "Questioning the use of ensembles versus individual climate model generated flows in future peak flood predictions: Plausibility and implications." Journal of Flood Risk Management. 17 (2). https://doi.org/10.1111/jfr3.12978
Application of machine learning to assess people's perception of household energy in the developing world: A case of Nepal
Bhattarai, Utsav, Maraseni, Tek, Devkota, Laxmi Prasad and Apan, Armando. 2023. "Application of machine learning to assess people's perception of household energy in the developing world: A case of Nepal." Energy and AI. 14. https://doi.org/10.1016/j.egyai.2023.100303
Nepal Himalaya offers considerable potential for pumped storage hydropower
Baniya, Rupesh, Talchabhadel, Rocky, Panthi, Jeeban, Ghimire, Ganesh R, Sharma, Sanjib, Khadka, Prithvi Dhwoj, Shin, Sanghoon, Pokhrel, Yadu, Bhattarai, Utsav, Prajapati, Rajaram, Thapa, Bhesh Raj and Maskey, Ramesh Kumar. 2023. "Nepal Himalaya offers considerable potential for pumped storage hydropower." Sustainable Energy Technologies and Assessments. 60. https://doi.org/10.1016/j.seta.2023.103423
Attaining multiple sustainable development goals through storage hydropower development amidst community vulnerabilities
Bhattarai, Utsav, Devkota, Rohini, Maraseni, Tek, Devkota, Laxmi and Marahatta, Suresh. 2023. "Attaining multiple sustainable development goals through storage hydropower development amidst community vulnerabilities." Sustainable Development. 31 (5), pp. 3913-3929. https://doi.org/10.1002/sd.2634
Rationalizing donations and subsidies: Energy ecosystem development for sustainable renewable energy transition in Nepal
Bhattarai, Utsav, Maraseni, Tek, Apan, Armando and Devkota, Laxmi Prasad. 2023. "Rationalizing donations and subsidies: Energy ecosystem development for sustainable renewable energy transition in Nepal." Energy Policy. 177. https://doi.org/10.1016/j.enpol.2023.113570
Assay of renewable energy transition: A systematic literature review
Bhattarai, Utsav, Maraseni, Tek and Apan, Armando. 2022. "Assay of renewable energy transition: A systematic literature review." Science of the Total Environment. 833, pp. 1-18. https://doi.org/10.1016/j.scitotenv.2022.155159
How will hydro-energy generation of the Nepalese Himalaya vary in the future? A climate change perspective
Bhattarai, Utsav, Devkota, Laxmi Prasad, Marahatta, Suresh, Shrestha, Dibesh and Maraseni, Tek. 2022. "How will hydro-energy generation of the Nepalese Himalaya vary in the future? A climate change perspective." Environmental Research. 214 (1), pp. 1-13. https://doi.org/10.1016/j.envres.2022.113746
An artificial neural network-hydrodynamic coupled modeling approach to assess the impacts of floods under changing climate in the East Rapti Watershed, Nepal
Bhattarai, Roshika, Bhattarai, Utsav, Pandey, Vishnu Prasad and Bhattarai, Pawan Kumar. 2022. "An artificial neural network-hydrodynamic coupled modeling approach to assess the impacts of floods under changing climate in the East Rapti Watershed, Nepal." Journal of Flood Risk Management. 15 (4). https://doi.org/10.1111/jfr3.12852
Assessing the past and adapting to future floods: a hydro-social analysis
Devkota, Rohini, Bhattarai, Utsav, Devkota, Laxmi and Maraseni, Tek Narayan. 2020. "Assessing the past and adapting to future floods: a hydro-social analysis." Climatic Change: an interdisciplinary, international journal devoted to the description, causes and implications of climatic change. 163 (2), pp. 1065-1082. https://doi.org/10.1007/s10584-020-02909-w
Indigenous knowledge for climate change induced flood adaptation in Nepal
Devkota, Rohini Prasad, Maraseni, Tek Narayan, Cockfield, Geoff and Devkota, Laxmi Prasad. 2013. "Indigenous knowledge for climate change induced flood adaptation in Nepal." The International Journal of Climate Change: Impacts and Responses. 5 (1), pp. 35-46.
Flood vulnerability through the eyes of vulnerable people in mid-western Terai of Nepal
Devkota, Rohini Prasad, Maraseni, Tek Narayan, Cockfield, Geoff and Devkota, Laxmi Prasad. 2013. "Flood vulnerability through the eyes of vulnerable people in mid-western Terai of Nepal." Journal of Earth Science and Climactic Change. 4 (1), pp. 1-7. https://doi.org/10.4172/2157-7617.1000132