Jenberu L Feyyisa Research & Development Associate Staff Contact feyyisajl@ornl.gov | 865.241.8230 All Publications An Assessment of Non-Powered Dam Hydropower Development Opportunities in the United States... Key Links Curriculum Vitae Organizations Biological and Environmental Systems Science Directorate Environmental Sciences Division Biodiversity and Sustainable Systems Section Water Resource Science and Engineering Group Energy Science and Technology Directorate Water Power Program