New Zealand Gazette – 2005 – No. 24

Page 587

✨ Electricity Interruption Statistics



21 JANUARY 2005

NEW ZEALAND GAZETTE, No. 24

SAIDI

Average SAIDI Targets SAIDI Targets Actual SAIDI
2005/09 2005 2004
SAIDI for total number of interruptions (= a/b) where -

a = sum of interruption duration factors for all interruptions
b = Total consumers | | | | 96.45 | 92.03 | 61.69 | 132.00 |

SAIDI Targets (= a/b)

| Planned Interruptions | Class B | 8 | 9 | | | | |
| Unplanned Interruptions | Class C | 66 | 67 | | | | |

where-
Planned Interruptions (pi)
a^pi = sum of interruption duration factors for all interruptions | 290,984 | 303,876 |

Unplanned Interruptions (ui)
a^ui = sum of interruption duration factors for all interruptions | 2,400,618 | 2,262,188 |

b = Projected total consumers | 36,373 | 33,764 |

SAIDI for total number of interruptions within each interruption class (= a/b)

Class 2005/09 2005 2004 2003 2002 2001
A 0 0 0 0 0 0
B 3.39 12.59 0 13.46 54.00
C 93.06 79.44 0 48.23 78.00
D 0 0 0 0 0 0
E 0 0 0 0 0 0
F 0 0 0 0 0 0
G 0 0 0 0 0 0
H 0 0 0 0 0 0
I 0 0 0 0 0 0

SAIDI for total of interruptions | 96.45 | 92.03 | 61.69 | 132.00 |

where -
a = sum of interruption duration factors for all interruptions within the particular interruption class

Class
A
B
C
D
E
F
G
H
I

b = Total consumers | 32,781 | 31,214 | 30,817 | 30,546 |



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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2005, No 24


Gazette.govt.nz — PDF NZ Gazette 2005, No 24




✨ LLM interpretation of page content

🌾 Faults per 100 circuit kilometres of overhead prescribed voltage electric line (continued from previous page)

🌾 Primary Industries & Resources
Electricity Faults, Overhead, Voltage, Statistics