Following the Master plan on electric power development in Vietnam No.VII region, Vietnam will face the lack of energy resourses for generation electricity by 2015. However, rice husk in the central of Mekong Delta Region has not been used efficiently. The purpose of this paper is to find an optimal plan of using rice husk as a fuel for energy development through a general planning model. The results show that, if using redundant rice husk for generation electricity and steam which is used for factory in industrial zones (IZs), it meets 7.1 percent of total electric demand of the city, and total stream demand of Tra Noc and Thot Not IZ. These results prove that using effectivelly rice husk as fuel will bring a high economic efficiency.