Choice of power generation; Load & Load duration curves; Load factor; Diversity factor; Load deviation curve; Load management; Number and size of generating unit; Cost of electrical energy; Tariff-Power factor improvement ; Thermal power stations : types , elements site selection , Instrumentation and control ; Gas turbine power plant ; Combined cycle power plant ; Principle of cogeneration ; Technical options for cogeneration, Classification of cogeneration systems, Factors influencing cogeneration choice ; Hydropower Plant: Classification, components, turbines- characteristics and their selection ; Nuclear power plant ; Diesel-electric Power Plant.