John S. Gulliver, Avry Dotan

Research output: Chapter in Book/Report/Conference proceedingConference contribution


A microcomputer program, HYFEAS, has been written in BASIC for use in pre-feasibility assessments of a given site. HYFEAS uses a flow duration curve, headwater and tailwater curves, information on existing and proposed hydroplants, operational constraints, and standardized cost curves to estimate plant capacity, annual energy production during peak and off-peak hours, and equipment and plant cost, at increments of 5 percent on the flow duration curve. The program will also compute benefit-cost ratio and net discounted benefits for public financing if desired. The user chooses the plant capacity for optimum economic return.

Original languageEnglish (US)
Title of host publicationUnknown Host Publication Title
Number of pages6
ISBN (Print)0872624749
StatePublished - Jan 1 1985

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