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The Economic Feasibility Of Solar Heat In Iowa Swine Production

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  • James, Sydney C.
  • Sloth, Darrell G.

Abstract

Three types of solar heat collectors were evaluated for supplying part of the winter heating requirements of six different swine systems. Five methods of evaluation were performed: net present value, internal rate of return, payback period, percent heating cost savings, and percent purchased fuel savings. While most of the study assumed inflationary conditions a linear programming minimization model was used to select the system promising the greatest heat savings without inflation. It was found that generally the one-cover covered plate collectors were the most cost efficient. High capacity units tended toward more costly systems incorporating two-cover suspended plates and storage provisions. Solar energy proved to be a viable way to reduce purchased fuel and reduce heating costs...

Suggested Citation

  • James, Sydney C. & Sloth, Darrell G., 1982. "The Economic Feasibility Of Solar Heat In Iowa Swine Production," ISU General Staff Papers 198207010700001019, Iowa State University, Department of Economics.
    • Handle: RePEc:isu:genstf:198207010700001019
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