For successful operation of a power generating station, Economic Emission Dispatch (EED) of a thermal and wind power combination becomes a serious concern as it commits the distribution of production among all the generating units which are on line so that the cost, level of emission including NOx, SO2 both are magnified concurrently satisfying each of the experimental constraints. This is an exceptionally restricted multi-objective optimizing case which has conflicting objectives having both primary as well as secondary constraints. In this paper, an Oppositional Base Differential Evolution (OBDE)is suggested to take care of EED matter. The results of simulation here are obtained by realizing the proposed scheme taking two test cases for two systems and then evaluating it against Non dominated Sorting Genetic Algorithm-II (NSGA-II).