New Zealand Gazette – 1998 – No. 113

Page 2807

✨ Reliability Performance Measures



NEW ZEALAND GAZETTE

14 AUGUST

2807

PERFORMANCE MEASURES AND OTHER INFORMATION

FOR YEAR ENDED 31 MARCH 1998

5. Reliability Performance Measures

(i) Total number of Interruptions:

1998 1997 1996 1995
Class B 16 17 12 13
Class C 32 25 28 24
Total Other - - - -
Total 48 42 40 37

(ii) Faults per 100 circuit Km:

1998 1997 1996 1995
33kV 11kV Total 33kV
Overhead - 42.4 42.2 -
Underground 3.4 3.0 17.6 6.9
Total number - - 15.3 -

(iii) SAIDI number of Interruptions by class:

1998 1997 1996 1995
Class B 10.5 10.2 4.4 12.9
Class C 95.1 67.9 52.6 58.4
Total Other - - - -
Total 105.6 78.1 57.0 71.3

(iv) SAIFI number of Interruptions by class:

1998 1997 1996 1995
Class B .10 .07 .04 .08
Class C 1.23 2.15 .94 1.05
Total Other - - - -
Total 1.33 2.22 .98 1.13

(v) CAIDI number of Interruptions by class:

1998 1997 1996 1995
Class B 110.3 143.0 105.0 1.6
Class C 77.1 31.6 56.0 56.0
Total Other - - - -
Total 79.4 35.2 58.0 63.0


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✨ LLM interpretation of page content

🏭 Notes to and forming part of the Line Business Financial Statements (continued from previous page)

🏭 Trade, Customs & Industry
Electricity, Financial Performance, Efficiency, Energy Delivery, Statistics, Overhead, Underground, System Lengths, Transformers, Customers