Strategy for fossil plant life extension at Niagara Mohawk's Huntley-67: Final report
The evaluation was based on the Niagara Mohawk Power Corporation's ''Fossil Life Extension Program Plan'' which outlines the philosophy and methodology for life extension of Niagara Mohawk Power Corporation's existing fossil units and includes unit selection or prioritization, selection of equipment for evaluation, equipment evaluation with respect to remaining useful life, and economic evaluation of life extension options. This report describes the criteria used to select (prioritize) C.R. Huntley Unit 67 as the first of NMPC's units to undergo a life extension evaluation. Sixteen (16) fossil fired units were ranked, with the general philosophy of order, better performing units given preference, on the basis of age, size, design vintage, availability, heat rate, fuel cost, operating and maintenance costs, levelized replacement cost and utilization factor to prioritize their evaluations. Equipment and components were selected for evaluation on the basis of safety, unavailability of spare parts or long lead time of a year or more to obtain critical components, potential to cause full or partial unit outage, potential for imminent failure or chronic problem and reliability or performance deterioration. During a scheduled major unit outage in June and July 1985, the selected equipment was examined using various non-destructive techniques and metal sampling. 37 figs., 64 tabs.
- Research Organization:
- Niagara Mohawk Power Corp., Syracuse, NY (USA); Ebasco Services, Inc., New York (USA); Combustion Engineering, Inc., Windsor, CT (USA); General Electric Co., Schenectady, NY (USA)
- OSTI ID:
- 5748664
- Report Number(s):
- EPRI-CS-4780; ON: TI88920158
- Country of Publication:
- United States
- Language:
- English
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