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Description / Abstract:
This document standardizes terminology and indexes for reporting
electric generating unit reliability, availability, and
productivity performance measures while recognizing the power
industry's needs, including marketplace competition. This standard
also includes equations for equivalent demand forced outage rate
(EFORd), newly identified outage states, discussion of
commercial availability, energy weighted equations for group
performance indexes, definitions of outside management control
(OMC), pooling methodologies, and time-based calculations for group
performance indexes.
Purpose
This standard is intended to aid the electric power industry in
reporting and evaluating electric generating unit reliability,
availability, and productivity. It was originally developed to
overcome difficulties in the interpretation of electric generating
unit performance data from various systems and to facilitate
comparisons among different systems. The standard also makes
possible the exchange of meaningful data among systems in North
America and throughout the world.