Determining 150kv transmission tower route using FAHP method

Abstract

PT. Vale Indonesia Tbk (PTVI) is a mineral mining company that produces nickel as its main product. PTVI requires high reliability of power supply so that it can produce nickel to the specified target. One of the important equipment to maintain the availability of electricity is the transmission tower. Failure of the transmission tower will have a disastrous effect on nickel production operations. PTVI will lose 165 MW in case of failure on the Larona transmission tower line to plant site and 200 MW on the Balambano transmission tower line to the plant site. Therefore, PTVI will build a new 150kV transmission tower line from Larona switchyard to Balambano switchyard to support the availability of sustainable electricity. The method to be used to determine the best alternative transmission tower route by considering multiple criteria is Fuzzy Analytical Hierarchy Process (FAHP). The results of each alternative are 0.477 for the North route, 0.364 for the Middle route, and 0.159 for the South route. The authors recommend the management of PT. Vale Indonesia, as the owner and operator of the hydroelectric power station, chose the north route for the planned construction of the 150kV transmission tower.