In this novel, A power station feeds different types of consumers such as domestic, commercial, industrial, agricultural etc. The design of a power plant must take into account the future increase in load. For this purpose load forecasting studies have to be made to predict the increase in load in the next 20 years or so. The increase in generation capacity should meet the maximum demand. The total load in any power system varies from instant to instant. The increase in power generation will increase the thermal plant operating cost. So in order to reduce the fuel cost and to enhance the economical efficiency, a profit based unit commitment should be maintained. Electrical power industry plans to improve its efficiency by providing a more reliable energy at least cost to consumers.