Power system operator in Mexico reveals millions in savings by updating its short-term thermal unit commitment model
Meza, Jose L. Ceciliano Alvarez Lopez, Juan De la Torre Sanchez, Armando Nieva Gomez, Rolando Guillen Moya, Isaias Navarro Perez, Roberto Perales Martinez, Favio Torres Ruiz, Cesar Sanchez Sanchez, Anselmo Yildirim, Mehmet Bayram
Meza, Jose L. Ceciliano
Alvarez Lopez, Juan
De la Torre Sanchez, Armando
Nieva Gomez, Rolando
Guillen Moya, Isaias
Navarro Perez, Roberto
Perales Martinez, Favio
Torres Ruiz, Cesar
Sanchez Sanchez, Anselmo
Yildirim, Mehmet Bayram
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2016
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Article
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Keywords
Energy,Electricity,Reliability,Planning,Optimization,Linear programming,Quadratic programming,Mixed-integer programming,Dynamic programming,Lagrangian relaxation
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Citation
José L. Ceciliano-Meza Juan Álvarez López Armando De la Torre Sánchez Rolando Nieva Gómez Isaías Guillén Moya Roberto Navarro Pérez Favio Perales Martínez César Torres Ruiz Anselmo Sánchez Sánchez Mehmet B. Yildirim. 2016. Power System Operator in Mexico Reveals Millions in Savings by Updating Its Short-Term Thermal Unit Commitment Model. Interfaces 201646:6 , 493-502
Abstract
In 2013, Centro Nacional de Control de Energia (CENACE), which is Mexico's power system operator, updated its short-term hydrothermal coordination planning (STHTCP) tool. CENACE utilized commercial software to solve mixed-integer programming models for the unit commitment and economic dispatch of thermal units, such as gas, coal-fired, and combined-cycle plants. In an earlier paper that we reference, authors of this paper describe the mathematical model for the thermal unit commitment (TUC) problem, which is a sub-problem in the STHTCP process. The new STHTCP tool, which uses a mixed-integer programming-based TUC approach, has enhanced the modeling and solution quality compared to the Lagrangian relaxation-based TUC approach. The new tool has improved CENACE's operations for managing its existing infrastructure, including power stations and transmission lines, and establishing the marginal prices needed to make energy trades. From the beginning of 2013 to the end of 2014, CENACE saved $2.2 million annually, which it attributes to better management of its thermal units. Over 10 years, it anticipates that these savings will represent more than $20 million in total savings.
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INFORMS
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Interfaces;v.46:no.6
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0092-2102