Please use this identifier to cite or link to this item: http://hdl.handle.net/10125/59798

The Hidden Cost of Priority Dispatch for Wind Power

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Title:The Hidden Cost of Priority Dispatch for Wind Power
Authors:Patsakis, Georgios
Oren, Shmuel
Keywords:Policy, Markets, and Computation
Electric Energy Systems
Feed-in tariffs, Priority dispatch, Stochastic unit commitment, Renewables, Wind power
Date Issued:08 Jan 2019
Abstract:Renewable generation, such as wind power, is commonly considered a must-take resource in power systems. In this work we show that, given the technical capabilities of current wind turbines, this approach could lead to major economic inefficiency as wind integration levels in power systems increase. We initially provide intuition for cases in which the optimal operating point involves shedding renewable generation, even though no cost is associated with it in the optimization objective, illustrated in small power systems. We then explore the expected benefit from dispatching wind resources at a lower level than their available output in a Stochastic Unit Commitment (SUC) framework. The modeling and evaluation approach adopted are described. A decomposition technique based on recent literature that utilizes global cuts and Lagrangian penalties to achieve convergence is used to solve the resulting large scale mixed integer optimization problem, in a high performance computing environment. A reduced California system is examined as a test case.
Pages/Duration:10 pages
URI:http://hdl.handle.net/10125/59798
ISBN:978-0-9981331-2-6
DOI:10.24251/HICSS.2019.437
Rights:Attribution-NonCommercial-NoDerivatives 4.0 International
https://creativecommons.org/licenses/by-nc-nd/4.0/
Appears in Collections: Policy, Markets, and Computation


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