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The Impact of Climate Change on Swiss Hydropower
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 4493266
Author(s) Savelsberg, Jonas; Schillinger, Moritz; Schlecht, Ingmar; Weigt, Hannes
Author(s) at UniBasel Weigt, Hannes
Savelsberg, Jonas
Schillinger, Moritz
Schlecht, Ingmar
Year 2018
Title The Impact of Climate Change on Swiss Hydropower
Journal Sustainability
Volume 10
Number 7
Abstract Hydropower represents an important pillar of electricity systems in many countries. It not only plays an important role in mitigating climate change, but is also subject to climate-change impacts. In this paper, we use the Swiss electricity market model Swissmod to study the effects of changes in water availability due to climate change on Swiss hydropower. Swissmod is an electricity dispatch model with a plant-level representation of 96% of Swiss hydropower plants and their interrelations within cascade structures. Using this detailed model in combination with spatially disaggregated climate-change runoff projections for Switzerland, we show that climate change has ambiguous impacts on hydropower and on the overall electricity system. Electricity prices and overall system costs increase under dry conditions and decrease under average or wet conditions. While the change of seasonal patterns, with a shift to higher winter runoff, has positive impacts, the overall yearly inflow varies under hydrological conditions. While average and wet years yield an increase in inflows and revenues, dry years become drier, resulting in the opposite effect. Even though different in magnitude, the direction of impacts persists when applying the same changes in inflows to the 2050 electricity system.
Publisher MDPI
ISSN/ISBN 2071-1050
URL http://www.mdpi.com/2071-1050/10/7/2541
edoc-URL https://edoc.unibas.ch/67978/
Full Text on edoc Available
Digital Object Identifier DOI 10.3390/su10072541
ISI-Number WOS:000440947600432
Document type (ISI) Article
 
   

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