A multistep multi-objective generation expansion planning model-a case study in Mexico

The planning of the energy sector implies multiple and conflicting objectives. The multi-objective models allow to analyse these interrelationships and obtain trade-off solutions. This paper presents a mixed integer linear model for the Multistep Multi-objective Generation Expansion Planning (MMGEP). The MMGEP problem is defined as the problem of determining: What are the types of generation technologies to be added to the grid? What is the capacity of each new generation plant? Where the plant will be located? and; When the plant will be located? The MMGEP objectives are minimization the global cost of the system, minimization the environmental impact and maximization the social profits. The proposed model is based on a real power system in Mexico for planning period 2017-2037. The problem was solved using the NSGA-II algorithm.