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2960. Investments in transmission lines and storage units considering second-order stochastic dominance constraints

Invited abstract in session TC-34: Portfolio optimization , stream Stochastic, Robust and Distributionally Robust Optimization.

Tuesday, 12:30-14:00
Room: 43 (building: 303A)

Authors (first author is the speaker)

1. Sebastiano Vitali
Department of Economics, University of Bergamo
2. Miguel Carrión
Electrical Engineering, Universidad de Castilla - La Mancha
3. Ruth Dominguez
Economics and Management, University of Brescia

Abstract

Increasing intermittent renewable generation to meet the climate goals entails a deep transformation of current power systems. The transmission system must adapt to ensure a rapid and flexible response to the changes in the energy flows. Flexibility can be provided by reinforcing the interconnection among all the market agents and/or by installing facilities with fast response to the changes. In this work, we study the investment problem of a central planner that seeks to expand the transmission network and install storage units considering decarbonizing measures. We propose a two-stage stochastic problem with uncertainty on the demand growth and including representative days to characterize the hourly demand and renewable power variability. To obtain better expansion strategies according to a limit on the carbon emissions, second-order stochastic dominance constraints are imposed. Numerical analyses based on the power system of the Canary island (Spain) are provided. The results show that to install storage units is key to efficiently integrate renewable generation. The investments in the transmission system are mostly in lower-voltage lines. The formulation with stochastic dominance constraints results in higher second-stage investments, allowing a better adaptation to the demand growth evolution.

Keywords

Status: accepted

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