Economic Evaluation of Alternative Electric Power Developmentsby Edward F. Carter, Harza Engineering Co, Chicago, IL, USA,
Nicholas Pansic, Harza Engineering Co, Chicago, IL, USA,
Abstract: A hydroelectric-dominated power system and a thermal-dominated system represent different ways of meeting total electric demand, but with materially different cash flow patterns. This paper presents an economic comparison of alternative electric power systems with emphasis on defining the correct time frame for analysis. In addition, the effects of the discount rate used for present worth analyses, fuel price escalation, and construction cost are shown. The comparison is complex and the results are sensitive to the assumptions and parameters used, particularly when long system development times are involved. The Susitna Hydroelectric Project, a proposed two-dam development on the Susitna River in southcentral Alaska, is the basis for the analyses.
Subject Headings: Electric power | Hydro power | Electrical systems | Economic factors | Power plants | Comparative studies | Financial management | Thermal effects | North America | Alaska | United States
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