| Summary: | Utilization of renewable energy sources is a necessity to reduce the consumption of fossil energy sources. On the end of 2021, it was reported that world was experiencing an energy crisis, so the use of renewable energy sources is being something urgent. Renewable energy power generation can be done in large scale to small scale even on household level. Electrical energy independence can be achieved, one way by utilizing available energy sources surrounding house. Several energy sources that can be utilized around the house including water, wind, sunlight, etc. Water as one of energy sources can also be obtained from the water flow in household plumbing systems. In this research, analysis of the output characteristics of generator was carried out from mini generator connected to screw turbine with in-pipe water flow as the energy source. Design and measurement have been done on the prototype to see the output characteristic of generator. Measurement on prototype have shown results to produce 1.56 watt and 9.6 volt at maximum water discharge 0.317 l/s, these results are quite low considering power measured at the turbine reaches about 7.45 watt. With further research, another more efficient and proper configuration can be obtained.
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