System average interruption frequency index (SAIFI) definition

System average interruption frequency index (SAIFI) means the average number of interruptions per customer during the year. It is calculated by dividing the total annual number of customer interruptions by the total number of customers served during the year.
System average interruption frequency index (SAIFI) means the average frequency of consumer Power Supply Interruptions per consumer occurring in a given year, calculated by dividing the total annual number of consumer Power Supply Interruptions by the total number of consumers served by a distribution company in a given year;
System average interruption frequency index (SAIFI) means the average number of interruptions per customer and shall be presented in the following ratio: Total number of customer interruptions/average number of customers served;

More Definitions of System average interruption frequency index (SAIFI)

System average interruption frequency index (SAIFI) means the average frequency of sustained interruptions at a time occurring during the reporting period for a voltage class, determined by dividing the number of EHV sub-stations in service during the reporting period having that class of voltage supply;
System average interruption frequency index (SAIFI) means a measure of the average number of interruptions recorded for the distribution system during a year;
System average interruption frequency index (SAIFI) means the Average Frequency of Sustained Interruptions per Consumer occurring during the reporting period, determined by dividing number of consumers who have experienced a sustained interruption by the total number of consumers.
System average interruption frequency index (SAIFI) means the general number of the Extended Interruptions divided from the Customer Basis served during the respective period according to the following formula and issues information on average frequency of the Extended Interruptions for the customer in a predefined area to access the average frequency of the Extended Interruptions for all the Customer Basis.

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