A hydro-electric power system includes two containers and a support beam having two ends, each end holding one of the containers. The ends allow the containers to travel along a length of the support beam. The support beam pivots about a pivot point, giving each container a maximum height and a minimum height. Water flows into each of the containers when they are located at or near their maximum height, the flow of water weighting each container and causing it to descend, each container moving longitudinally outward from the pivot point along the support beam as it descends. A tipping mechanism causes each container to release water at or near its minimum height, each container ascending after releasing water and moving longitudinally inward toward the pivot point along the support beam as it ascends.

To provide a method for producing a hydroelectric power generator. The method enables easy assembly and can promptly and easily perform replacement of parts, repair, and maintenance at a site of use, such as countries with emerging economies. A method for producing a hydroelectric power generator includes modeling a part having a shape corresponding to a shape of an electric generator using a 3D printer, and assembling a hydroelectric power generator with the part having the shape corresponding to the shape of the electric generator.