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Published online by Cambridge University Press: 10 May 2017
This paper analyzes the economic feasibility of an investment designed to digest anaerobically cage layer manure and convert biogas into electricity which is sold to a public utility. A simulation model is used to calculate the after-tax net present value (NPV) of a digestion system for eight egg farms differing in size under alternative scenarios. The results show that farm size and electricity price projections have a major impact on the magnitude and sign of the NPV estimates. Technical performance also has a marked effect on the investments’ feasibility, while tax credits and low interest rates have a relatively minor influence.
The authors gratefully acknowledge the review comments of Marilyn Altobello, Stanley Seaver, and two anonymous reviewers.
Scientific Contribution No. 989, Storrs Agricultural Experiment Station, University of Connecticut, Storrs.