As used in this chapter, "customer average interruption duration index", or "CAIDI", means an index that:

1. (1) indicates the average time required to restore electric service to an electricity supplier's customers affected by sustained service interruptions; and

2. (2) is calculated by determining the quotient of:

   1. (A) the sum of sustained service interruption durations in minutes for a specified period; divided by

   2. (B) the total number of customers affected by the sustained service interruptions;

      in accordance with IEEE 1366.

As added by P.L.36-2026, SEC.10.