Using model predictive control in a water infrastructure planning model for the Zambezi river basin

Raphaël Payet-burin*, Mikkel T. Kromann, Silvio Pereira-Cardenal, Kenneth Marc Strzepek, Peter Bauer-Gottwein

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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    Abstract

    Hydroeconomic optimization models considering the inter-relations in the water-energy-food nexus are potential tools to evaluate water infrastructure and policy development that will contribute to multiple Sustainable Development Goals. However, most of these models are deterministic and assume perfect foresight. Thus, the optimal management decisions are found with perfect knowledge of future conditions, which might bias the economic evaluation of infrastructure investments. We show how the Model Predictive Control (MPC) framework can be used to overcome the perfect foresight assumption. By implementing the MPC framework in WHAT-IF, a perfect foresight hydroeconomic optimization model, we show how MPC leads to more realistic simulated reservoir operations and consequently to a more realistic valuation of investments. To evaluate the impact of the perfect foresight assumption, we evaluate infrastructure investments in the Zambezi river basin with and without the MPC framework. We find significant differences (up to 12%) between the perfect foresight and MPC frameworks when estimating the value of hydropower and irrigation investments. By carrying out the analysis for four different climate change scenarios, we find that the impact of the perfect foresight assumption is particularly important in a water scarce context.
    Original languageEnglish
    Title of host publicationWater: Connecting the World : IAHR 38th World Congress - Panama 2019
    Place of PublicationPanama City, Panama
    PublisherCRC Press
    Publication date2019
    Pages4057-4062
    Publication statusPublished - 2019
    Event38th IAHR World Congress: Water – Connecting the World - Panama City, Panama
    Duration: 1 Sept 20196 Sept 2019
    Conference number: 38

    Conference

    Conference38th IAHR World Congress
    Number38
    Country/TerritoryPanama
    CityPanama City
    Period01/09/201906/09/2019

    Keywords

    • Water infrastructure investments
    • Water-Energy-Food Nexus
    • Hydroeconomic optimization models
    • Model Predictive Control

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