This book can be served as a reference book for the subject "OPTIMUM ALLOCATION OF GENERATING UNITS."It facilitates the fundamental principle which the basis of Artificial Techniques.The book provides classical method of Quadratic Programming method to Economic Load Dispatch and Artificial technique "Genetic Algorithm method" introduced in it.By comparing both Quadratic & Genetic Algorithm method, we found that in Genetic method cost function is less as compared to Quadratic method