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New Zealand Gazette – 1998 – No. 146

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✨ Reliability Performance Measures

NEW ZEALAND GAZETTE

No. 146

TRUSTPOWER LIMITED AND SUBSIDIARIES

INFORMATION DISCLOSURE LINE OWNERS

FOR THE YEAR ENDED 31 MARCH 1998

REG # 1ST SCH
16(1) Part IV

Reliability Performance Measures

	1998	1997	1996	1995

1 | Total Number of Interruptions
| Class B | 288 | 253 | 187 | 247 |
| Class C | 310 | 314 | 265 | 144 |
| Class D | 1 | 10 | 8 | 0 |
| Class G | 3 | 1 | 0 | 0 |
| All Other Classes | 0 | 0 | 0 | 0 |
| Total | 602 | 578 | 460 | 391 |

2 | Total number of faults per 100 Km of prescribed voltage electric line | 6.12 | 7.94 | 7.48 | 21.75 |

3 | Total number of faults per 100 Km of underground prescribed voltage electric line by nominal line voltage.
| Total | 0.64 | 1.54 | 7.70 | 3.15 |
| 33kV | 0 | 0 | 0 | 0 |
| 11kV | 0.84| 1.57 | 7.88 | 3.16 |

4 | Total number of faults per 100 Km of overhead prescribed voltage electric line by nominal line voltage.
| Total | 7.12 | 8.90 | 6.90 | 25.84 |
| 33kV | 1.35| 7.75 | 2.34 | 12.68 |
| 11kV | 7.69| 9.01 | 7.16 | 8.67 |

5 | SAIDI for total number of interruptions | 113 | 253 | 192.94 | 302.71 |

6 | SAIDI for total number of interruptions within each interruption class.
| Class B | 9 | 29 | 36.87 | 136.87 |
| Class C | 103 | 176 | 138.83 | 165.84 |
| Class D | 1 | 48 | 17.24 | 0 |
| Class G | -0.1 | 0 | 0 | 0 |

7 | SAIFI for total number of interruptions | 2.58 | 4.88 | 3.015 | 3.34 |

8 | SAIFI for total number of interruptions within each interruption class.
| Class B | 0.09 | 0.18 | 0.212 | 0.76 |
| Class C | 2.38 | 3.91 | 2.42 | 2.58 |
| Class D | 0.09 | 0.80 | 0.38 | 0 |
| Class G | 0.03 | 0 | 0 | 0 |

9 | CAIDI for total of all interruptions | 44 | 52 | 63.98 | 90.67 |

10 | CAIDI for total of all interruptions within each interruption class.
| Class B | 102 | 164 | 173.89 | 180.61 |
| Class C | 43 | 45 | 57.36 | 64.26 |
| Class D | 12 | 60 | 45.02 | 0 |
| Class G | 3 | 191 | 0 | 0 |

PUBLISHED BY AUTHORITY OF DEPARTMENT OF INTERNAL AFFAIRS
GP LEGISLATION SERVICES, NEW ZEALAND — 1998

DEPARTMENT OF INTERNAL AFFAIRS
TE TARI TAWHENUA

Price $3.95 (incl. G.S.T)
ISSN 0111-5650

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VUW Te Waharoa — NZ Gazette 1998, No 146

NZLII — NZ Gazette 1998, No 146

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✨ LLM interpretation of page content

🏭 Notes to the Financial Statements for TrustPower Limited (continued from previous page)

Domain🏭 Trade, Customs & Industry
KeywordsFinancial Statements, Performance Measures, Accounting Return, Efficiency Measures, Reliability Performance, Interruptions, Faults, SAIDI, SAIFI, CAIDI

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