Or. Admin. R. 860-023-0111

Current through Register Vol. 63, No. 8, August 1, 2024

Section 860-023-0111 - Electric Reliability Calculations

(1) Using records collected per OAR 860-023-0101, each electric company must perform annual reliability index calculations required by this rule in compliance with IEEE 1366. Each electric company must report the results of the calculations in the company's annual report as set forth in OAR 860-023-0151 and in the company's major event filings as set forth in OAR 860-023-0161.

(2) After December 31 of each year an electric company must calculate the SAIDI, SAIFI, and MAIFI_E indices for the previous reporting period. These indices are to be calculated both with all interruptions included and separately with major event interruptions excluded:

(a) On a system-wide basis;

(b) For each reliability reporting area; and

(c) For each circuit.

(3) If an electric company estimates or uses factors in calculating actual CAIDI, SAIDI, SAIFI, or MAIFI_E indices in sections (1) or (2) of this rule, the company must summarize the estimation methodologies in the company's annual report, as set forth in OAR 860-023-0151.

(4) This rule is effective beginning January 1, 2012.

Or. Admin. R. 860-023-0111

PUC 10-2011, f. 10-14-11, cert. ef. 1-1-12

Publications: Publications referenced in this rule are available for review at the agency.

Stat. Auth.: ORS 183, 756 & 757

Stats. Implemented: ORS 757.020