Preliminary design of micro hydro power plant in Enim river, Plakat village

Abstract

The utilization of renewable energy in meeting electricity needs in Indonesia continues to be carried out, including by utilizing river flow as a source of electrical energy for the community. Micro hydro power plants are one type of power plant that utilizes river flow as a source of energy that is widely used in Indonesia, especially for people in rural areas who have difficulty in accessing the electricity grid and spread throughout Indonesia. One of the rivers in South Sumatra Province, Indonesia that has the potential to be developed as a micro hydro power plant is the Enim River located in Plakat Village. This research was conducted to obtain an estimate of the amount of energy that can be generated from the Enim River. In the methodology, the data needed to calculate the amount of energy produced includes effective the effective fall height data, identification of the intake channel, forebay and penstock pipe obtained from direct observation and then the calculation of water power that can be generated by the Enim River tributary in Plakat Village. In the calculation results, the micro hydro design in Plakat Village, Enim River is as follows: 184 m pipe dimensions, minimum pipe thickness of 0.5 m, effective energy height of 26.1 m, and output power of 35.88 kW.