"System average interruption frequency index"

Sec. 17. As used in this chapter, "system average interruption frequency index", or "SAIFI", means an index that: (1) indicates the number of sustained service interruptions an electricity supplier's average customer experiences over a specified period; and (2) is calculated by determining the quotient of: (A) the total number of customers that experienced sustained service interruptions over the specified period; divided by (B) the total number of customers; in accordance with IEEE 1366. As added by P.L.36-2026, SEC.10.