Electricity Reliability Statistics




23 SEPTEMBER NEW ZEALAND GAZETTE

3137

5-10. SAIDI, SAIFI and CAIDI by interruption class and in total for 1995/96:

Network or Generation Owner Disclosure Regulation Class Classification of Interruptions SAIDI (Minutes per Connected-Customer) SAIFI (Interruptions per Connected Customer) CAIDI (Minutes per Customer Interrupted)
Southpower B Planned Shutdowns 30.5 0.166 184.0
C Unplanned Cuts 46.4 0.798 58.1
Subtotal 76.9 0.964 79.7
Trans Power A Planned Shutdowns 0.4 0.003 136.0
D Unplanned Cuts 6.4 0.260 24.7
Subtotal 6.8 0.263 26.0
TOTAL 83.7 1.227 68.2

SAIDI, SAIFI & CAIDI by interruption class and in total for 1994/95:

Network or Generation Owner Disclosure Regulation Class Classification of Interruptions SAIDI (Minutes per Connected-Customer) SAIFI (Interruptions per Connected Customer) CAIDI (Minutes per Customer Interrupted)
Southpower B Planned Shutdowns 28.2 0.148 190.5
C Unplanned Cuts 73.5 1.255 58.6
Subtotal 101.7 1.403 72.5
Trans Power A Planned Shutdowns 0.2 0.006 25.6
D Unplanned Cuts 1.6 0.054 29.9
Subtotal 1.8 0.061 29.5
TOTAL 103.5 1.464 70.7

Disclosure Regulation classes E, F and G do not apply to Southpower, and consequently results are all zero.

Note that these are Southpower’s overall reliability performance indices. Refer to Southpower’s 1995/96 Annual Report for the results by urban and rural areas.



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🏭 Electricity Line Reliability Performance Measures (continued from previous page)

🏭 Trade, Customs & Industry
Electricity, Reliability, Interruptions, Faults, Performance Measures, Southpower, Trans Power, SAIDI, SAIFI, CAIDI