Cube Hydro Partners, LLC is a principal investment firm. It specializes in making direct investment in and acquisition of existing assets and the development of new hydroelectric generation facilities. It seeks to invest in, develop, modernize, and acquire hydroelectric facilities and develop power at unpowered dams. It also provides consulting services on project management, regulation, and development of hydroelectric power and other clean energy resources. Cube Hydro Partners, LLC was founded in January 2015 and is based in Bethesda, Maryland.