Short Term Optimal Generation Scheduling of Multi-Chain Hydrothermal System Using Constriction Factor Based Particle Swarm Optimization Technique (CFPSO) Variable Head Hydrothermal Generation Scheduling Using Genetic Algorithm and Constriction Factor Based Particle Swarm Optimization Technique Short Term Pumped Storage Scheduling Using Two Proposed Techniques Optimal Generation Scheduling of Cascaded Hydrothermal System Using Genetic Algorithm and Constriction Factor Based Particle Swarm Optimization Technique Short Term Optimal Generation Scheduling of Fixed Head Hydrothermal System Using Genetic Algorithm and Constriction Factor Based Particle Swarm Optimization Technique Solving Short Term Hydrothermal Generation Scheduling by Artificial Bee Colony Algorithm Dynamic Economic Load Dispatch of Thermal Power System Using Genetic Algorithm