Economic environmental dispatch of hydrothermal power system

This paper presents multi-objective differential evolution for economic environmental dispatch of hydrothermal power system, consisting of multi-reservoir cascaded hydro plant with time delay and thermal plants with nonsmooth fuel cost and emission level functions. The problem is formulated as a nonlinear constrained multi-objective optimization problem. Multi-objective differential evolution is proposed to handle economic environmental dispatch of hydrothermal power system as a true multi-objective optimization problem with competing and noncommensurable objectives. Numerical results for a sample test system has been presented to demonstrate the capabilities of the proposed method. The results obtained from the proposed method have been compared to those obtained using nondominated sorting genetic algorithm-II.