SAIFI definition

SAIFI means System Average Interruption Frequency Index and is a measure of the frequency of service interruptions for customers served, not including MED. SAIFI represents the quotient obtained by dividing the total number of customer interruptions longer than one minute by the number of customers served.
SAIFI means System Average Interruption Frequency Index, being the average number of interruptions that a consumer experiences in a year and calculated as the total number of consumer interruptions divided by the total number of consumers served by Licensee.
SAIFI means system average interruption frequency index as defined in IEEE 1366. (Eff. 1/1/87, Register 100; am 4/10/92, Register 122; am 4/24/2004, Register 170; am 11/9/2014, Register 212; / / , Register

Examples of SAIFI in a sentence

  • An overall assessment of the reliability performance, including the urban and rural SAIFI, SAIDI, and CAIDI reliability indices for the previous calendar year for the Iowa service territory and each defined Iowa operating area, if applicable.

  • The urban and rural SAIFI, SAIDI, and CAIDI reliability average indices for the previous five calendar years for the Iowa service territory and each defined Iowa operating area, if applicable.

  • SAIFI measures the number of times per year the average customer experienced an interruption.

  • Interruptions are tracked using System Average Interruption Frequency Index (SAIFI) and System Average Interruption Duration Index (SAIDI).

  • SAIFI is calculated by dividing the total number of customers interrupted by the total number of customers served.

  • SAIFI is the average number of electric service interruptions per consumer in a year.

  • We maneu- vered to the north until we found the correct hotel and went to our security positions.

  • Each util- ity also shall, at the end of each calendar year, calculate the SAIFI, SAIDI and CAIDI indices for each circuit in each operating area.

  • Each electric utility with 100,000 customers or more shall keep a record of the necessary interruption data and calculate the SAIFI, SAIDI and CAIDI indices of its system and of each operating area, if applicable, at the end of each calendar year for the previous 12−month period.(2) INDIVIDUAL CIRCUIT RELIABILITY PERFORMANCE.

  • The report shall include at least the following information:(2) (a) An overall assessment of the reliability performance including the aggregate SAIFI, SAIDI and CAIDI indices by sys- tem and each operating area, as applicable.(b) A list of the worst−performing circuits based on SAIFI, SAIDI and CAIDI indexes, for the calendar year.


More Definitions of SAIFI

SAIFI means the System Average Interruption Frequency Index which is the number of occasions per year when each customer could, on average, expect to experience an unplanned interruption, calculated as the total number of customer interruptions, divided by the total number of connected customers averaged over the year and unless otherwise stated, SAIFI excludes momentary interruptions;
SAIFI means system average sustained interruption frequency index. This index is the number of times that an average metering point receives sustained interruptions during a year. It is determined by dividing the total annual number of sustained interruptions by the total number of metering points.

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