Abstract
Indonesia's renewable energy has overgrown. The government has a goal of 23 per cent using renewable energy resource to generate electrical power in 2025. In 2019 Indonesia has already utilized 11 per cent renewable energy power or about 6,516.3 megawatts and be going to 23 per cent in 2025. The most popular power plant's type in Indonesia is a coal-fired steam power plant (CFSPP). The portion of CFSPP is about 45.1% of Indonesia's total power plant capacity, and this study informs one of the methods to generate electrical power using renewable energy to achieve renewable energy utilization of Indonesia in 2025. Teluk Balikpapan is CFSPP in East Kalimantan that has two units power plant with a total of 220-megawatt capacity. To renewable energy utilization, discharge channel CFSPP can be modified by installing hydropower plant with small capacity. The existing discharge channel is modified in such a way, like a hydro turbine line addition. The new channel can flow water into a hydro turbine which is the flowrate is up to 40 meter cubic per hour, and the head is about 3 meter. The capacity of hydropower that utilizes the discharge channel of Teluk Balikpapan CFSPP can be found by using a finite element method (FEM) Solidworks software simulation. Teluk Balikpapan discharge channel is observed that maximum electrical power is about 307.86 kilowatt that can supply common auxiliary power consumption. This study is one of the ways to achieve Indonesia's renewable energy utilization in 2025, about 23 per cent.
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