Kampung Mului is one of the villages in the area of Paser, East Kalimantan. Kampung Mului has not received electricity from PLN so that people who lived in there use generator set for daily needs. Kampung Mului conditions is a fundamental reason for the empowering potential of a waterfall in Kampung Mului be a source of Micro Hydro Power (MHP). In this study, discussed the feasibility of investing MHP economically use comparative expenses Village MHP Mului 20 years of operation with the public electricity expenses Kampung Mului if not wearing the MHP The results of the research show the potential power of Kampung Mului waterfall is 116.08 kW and electricity needs of Kampung Mului is 19, 92 kW. The cost of using Kampung Mului community using a generator set is bigger than the cost of using PLTMH which is Rp 2.791.210.000, if using underground cable and Rp 1.394.110.000, - if using ACSR cable. Based on this, the development of PLTMH Kampung Mului is feasible to be implemented in economic terms. This study can be applied and helps the electricity problem in Kampung Mului.