[1] World Energy Resources;Charting the Upsurge in Hydropower Development, World Energy Council, 2015
[2] Renewable Energy Technology: Cost Analysis Series, Vol. 1, International Renewable Energy Agency, 2012
[3] David Kilama Okot, Review of small hydropower technology, Renewable and Sustainable Energy Reviews, pages 515–520, 2013
[4] Annual Energy review, Accessed 10 July 2015, www.eia.gov/beta/MER/index.cfm?tbl=T07.01#/?f=A
[5] Water Energy Resources of the United States with Emphasis on Low Head/Low Power Resources, Office of Energy Efficiency and Renewable Energy, U.S. Department of Energy, 2004
[6] Feasibility Assessment of the Water Energy Resources of the United States for New Low Power and Small Hydro Classes of Hydroelectric Plants, Office of Energy Efficiency and Renewable Energy, U.S. Department of Energy, 2006
[7] Statewide Small Hydropower Resource Assessment, California Energy Commission, 2006
[8] Christopher J. Sandt, Martin W. Doyle, The hydrologic and economic feasibility of micro hydropower upfitting and integration of existing low-head dams in the United States, Energy Policy, No. 63 ,pages 261–271, 2013
[9] Henry Magallanez, Fernando Cadena, Zack Libbin, Scalable Low-head Axial-type Venturi-flow Energy Scavenger, Office of Energy efficiency and renewable energy, US Department of energy, 2010
[10] Hydropower Projects 2008-2014, Office of Energy Efficiency and Renewable Energy, US Department of energy, 2015
[11] Internal Revenue Bulletin:2013-22, Accessed 10 July 2015, www.irs.gov/irb/2013-22_IRB/ar07.html
[12] Gia D. Schneider, Investment in Small Hydropower: Prospects of Expanding Low-Impact and Affordable Hydropower Generation in the West, Natel Energy Company, 2010
[14] Low Head Hydro Market Assessment Main Report, Vol. 1, Natural Resources Canada, 2008
[15] Douglas G. Hall, Richard T. Hunt, Kelly S. Reeves, Greg R. Carroll, Estimation of Economic Parameters of U.S. Hydropower Resources, Idaho National Engineering and Environmental Laboratory, 2003