Multiobjective Optimization of Dual-Purpose Power Plants and Water Distribution Networks
2016
González-Bravo, Ramón | Nápoles-Rivera, Fabricio | Ponce-Ortega, José María | El-Halwagi, Mahmoud M.
This paper presents a multiobjective optimization approach for synthesizing water distribution networks involving dual-purpose power plants. The proposed model accounts for environmental, economic, and social objectives by accounting for greenhouse gas emissions, jobs, and net profit. The model considers water and energy demands for domestic, agricultural, and industrial users. Energy is provided through several alternatives including fossil fuels (i.e., natural gas and oil), biofuels (i.e., biomass, biogas, biodiesel, and bioethanol), and solar energy. Water demands are satisfied by fresh water from dams, lakes, rivers, aquifers, and artificial storage tanks. The proposed model is applied to a case study from the Mexican State of Sonora. The results show the viability of the dual-purpose power–water plants, the merits of incorporating solar energy in the system, and the economic, environmental, and social benefits of applying the proposed approach. The optimal solution yields a total annual profit of $MM 1,545.9, it generates 1.37 × 10⁷ ton CO₂ equiv/y and 19 781 jobs.
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