A Case Study, Large Versus Small

by W. B. Smith, Benham-Holway Power Group, Tulsa, United States,

Document Type: Proceeding Paper

Part of: Waterpower '91: A New View of Hydro Resources


This paper will review the hydraulic comparisons between the Lock and Dam No. 13 Hydropower Project, a 33-MW, low-head generating station near Fort Smith, Arkansas, and the Murray Hydroelectric Project, a 39-MW, low-head generating station near Little Rock, Arkansas, both on the McClellan-Kerr navigation system. A review will be made of the hydraulic comparisons between the projects; examine the process which was utilized in the selection of the smaller diameter/larger number of turbines versus the larger diameter/fewer number of turbines; and a comparative examination of the cost of the projects and the performance during the first eighteen months of operation. The purpose of this paper is to provide insight into future hydroelectric developments as to the various philosophies in sizing of the runners for projects and some construction practices for low-head hydropower developments.

Subject Headings: Case studies | Hydro power | Comparative studies | Power plants | Locks (dam) | Head (fluid mechanics) | Locks (waterway) | Earthfill dams | Arkansas

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