Electricity Reliability Performance




NEW ZEALAND GAZETTE

22 AUGUST

2369

TRUSTPOWER LIMITED AND SUBSIDIARIES

INFORMATION DISCLOSURE LINE OWNERS

FOR THE YEAR ENDED 31 MARCH 1997


REG # 1ST
SCH
16(1)
Part IV

Reliability Performance Measures:

  1. Total Number of Interruptions
1997 1996 1995
Class B 253 187 247
Class C 314 265 144
Class D 10 8 0
Class G 1 0 0
All Other Classes 0 0 0
Total 578 460 391
  1. Total number of faults per 100 Km of prescribed voltage electric Line ... 7.94

    1996: 7.48

    1995: 21.75

  2. Total number of faults per 100 Km of underground prescribed voltage electric line by nominal line voltage.

1997 1996 1995
Total 1.54 7.7 3.15
33Kv 0 0 0
11Kv 1.57 7.88 3.16
  1. Total number of faults per 100 Km of overhead prescribed voltage electric line by nominal line voltage.
1997 1996 1995
Total 8.90 6.9 25.84
33Kv 7.75 2.34 12.68
11Kv 9.01 7.16 8.67
  1. SAIDI for total number of interruptions ... 253

    1996: 192.94

    1995: 302.71

  2. SAIDI for total number of interruptions within each interruption class.

1997 1996 1995
Class B 29 36.87 136.87
Class C 176 138.83 165.84
Class D 48 17.24 0
Class G 0 0 0
  1. SAIFI for total number of interruptions ... 4.88

    1996: 3.015

    1995: 3.34

  2. SAIFI for total number of interruptions within each interruption class.

1997 1996 1995
Class B 0.18 0.212 0.76
Class C 3.91 2.42 2.58
Class D 0.8 0.38 0
Class G 0 0 0
  1. CAIDI for total of all interruptions ... 52

    1996: 63.98

    1995: 90.67

  2. CAIDI for total of all interruptions within each interruption class.

1997 1996 1995
Class B 164 173.89 180.61
Class C 45 57.36 64.26
Class D 60 45.02 0
Class G 191 0 0

Note: SAIDI, SAIFI measures for Class G are less than 0.


PUBLISHED BY AUTHORITY OF DEPARTMENT OF INTERNAL AFFAIRS;
OP LEGISLATION SERVICES, NEW ZEALAND—1997

DEPARTMENT OF INTERNAL AFFAIRS
TE TARI TAIWHENUA

ISSN 0111-5650 Price $3.95 (incl. G.S.T.)
87393—97A



Next Page →

PDF embedding disabled (Crown copyright)

View this page online at:


VUW Te Waharoa PDF NZ Gazette 1997, No 100


NZLII PDF NZ Gazette 1997, No 100





✨ LLM interpretation of page content

🏭 TrustPower Limited Reliability Performance Measures (continued from previous page)

🏭 Trade, Customs & Industry
1 August 1997
Reliability, Performance, Interruptions, Faults, SAIDI, SAIFI, CAIDI, Electricity, Class B, Class C, Class D, Class G