Portfolio-level investment strategy in renewing hydropower units using cost assessment by river run optimization in hydropower unit failures

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.advisor Kaila, Ruth
dc.contributor.advisor Räisänen, Ilari
dc.contributor.author Myllymäki, Mikael
dc.date.accessioned 2016-12-22T11:13:51Z
dc.date.available 2016-12-22T11:13:51Z
dc.date.issued 2016-12-14
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/23963
dc.description.abstract This thesis has the objective of developing an optimal strategy for hydropower unit renewal timing. The whole river system is considered with revenues from day-ahead, as well as intraday, balancing and frequency containment reserve markets. The problem is addressed in three steps: by determining the new optimal river run strategy in each failure, by assessing its monetary consequence and by applying this information to investment strategy. A top-down approach for modelling river systems and calculating outage losses is presented. Lost production due to spillage is the largest driver of losses, before effects on captured price. Revenues streams outside the day-ahead market are insignificant in investment decisions. Failures in single-unit plants have the largest consequences, whereas two simultaneous failures in a river are a particular concern only when they occur in the same plant. A substantial share of losses is often realized in plants that do not have the unit failure. Investment in pre-emptive renewal should be high in single-unit plants, whereas plants with a high share of revenues from non-core streams are at risk of overinvestment. en
dc.format.extent 102 + 15
dc.language.iso en en
dc.title Portfolio-level investment strategy in renewing hydropower units using cost assessment by river run optimization in hydropower unit failures en
dc.type G2 Pro gradu, diplomityö fi
dc.contributor.school Perustieteiden korkeakoulu fi
dc.subject.keyword hydropower optimizatio en
dc.subject.keyword river run strategy en
dc.subject.keyword outage loss en
dc.subject.keyword Investment strategy en
dc.subject.keyword electricity markets en
dc.identifier.urn URN:NBN:fi:aalto-201612226256
dc.programme.major Strategy and Venturing fi
dc.programme.mcode SCI3050 fi
dc.type.ontasot Master's thesis en
dc.type.ontasot Diplomityö fi
dc.contributor.supervisor Wallenius, Hannele
dc.programme Master’s Programme in Industrial Engineering and Management fi


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