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Environmental flows or economic woes-Hydropower under global energy market changes
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
ID 4605884
Author(s) Schillinger, Moritz; Weigt, Hannes; Hirsch, Philipp Emanuel
Author(s) at UniBasel Schillinger, Moritz
Hirsch, Philipp
Weigt, Hannes
Year 2020
Title Environmental flows or economic woes-Hydropower under global energy market changes
Journal PLoS ONE
Volume 15
Number 8
Pages / Article-Number e0236730
Mesh terms Environment; Hydrology; Internationality; Models, Economic; Renewable Energy, economics
Abstract The global energy system changes towards renewables-dominated and liberalized markets. This requires making novel trade-offs between the profitable development of hydropower and its environmental effects on the natural flow regime. Here, we used a pristine river as a model for how these future changes will affect the natural flow regime and identify future changes on previously overlooked levels. We found that damming and discharging based on market prices leads to first- and second-level deviation from natural flows. Beyond these effects, we identified a third level of distance from natural flow. This third level is created by the transition towards a renewables-dominated energy system. The volatile energy input from renewables incentivizes hydropower plant operators to discharge based on more flexible trading behavior. We conclude that novel economic models be combined with tailored implementations of environmental flows. This will allow to find novel solutions for the trade-off between market liberalization and sustainable hydropower development.
Publisher Public Library of Science
ISSN/ISBN 1932-6203
Full Text on edoc No
Digital Object Identifier DOI 10.1371/journal.pone.0236730
PubMed ID
ISI-Number 000560393300009
Document type (ISI) Journal Article

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