A bill to authorize the Secretary of the Interior and the Secretary of the Army to plan, design, construct, rehabilitate, operate and maintain hydroelectric power facilities not specifically authorized by the Congress at existing projects under the jurisdiction of their respective departments.

Authorizes the Secretaries of the Interior and Army to plan, construct, operate, and maintain hydroelectric generating facilities at existing water resources development projects under their respective jurisdictions. Requires the Secretaries to make a finding of the economic, financial, and environmental feasibility before undertaking any such project.