This paper discusses use of the ProCost© Maintainability / Reliability / Production / Cost (MRPC) model to assess the cost effective performance of a power plant’s maintenance program. The RMPC model provides an estimate of the economic value added for plant assets. It also provides a summary of production and maintenance costs, generation losses, and revenue losses, and gives a bottom line report on the asset’s economic value to the company. The model accounts for the way in which the maintenance program interacts with the generation process and estimates the leverage provided by expenditures on preventive maintenance. ProCost© is an engineering tool for tracking each asset’s production and cost performance under appropriate engineering approximations. Thus, it provides useful insights into where maintenance resources can be expended most effectively to increase generation and reduce operating costs.

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