3D Printing Technology Enhances Micro-Hydropower Potential in U.S. Dams
The collaboration between Cadens and Oak Ridge National Laboratory seeks to exploit thousands of underutilized U.S. dams for micro-hydropower. With 51,000 potential sites identified, this initiative could unlock approximately 29 gigawatts of renewable energy capacity, enhancing energy resilience and supporting distributed generation.

Cadens and Oak Ridge National Laboratory are leveraging additive manufacturing to improve the economics of micro-hydropower systems in the U.S. Despite 90,000 dams, less than 3% generate electricity, with 51,000 deemed suitable for micro-hydropower.
The new methodology combines standardized components with 3D-printed parts, reducing costs tied to custom fabrication. A prototype turbine has operated for over six years, validating the durability of additive manufacturing in harsh conditions.
As decentralized energy systems gain importance, enhancing micro-hydropower can utilize existing infrastructure, potentially transforming energy dynamics in rural and industrial sectors. This advancement may encourage further investment in small-scale renewable energy solutions.




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