New Zealand Gazette – 2006 – No. 150

Page 4361

✨ Electricity Interruption Statistics



27 NOVEMBER 2006

NEW ZEALAND GAZETTE, No. 150

Average

SAIDI Class SAIDI Targets
2007/11
--------------
SAIHI Targets

SAIDI for total number of interruptions (–a/b)
where -
a = sum of interruption duration factors for all interruptions

b = Total consumers
Class 2006 2005 2004 2003
61.73 59.60 96.45 92.03

SAIHI Targets (–a/b)

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

where -
Planned Interruptions (pi)
a^(pi) = sum of interruption duration factors for all interruptions

Unplanned Interruptions (ui)
a^(ui) = sum of interruption duration factors for all interruptions
2007/11 2007
304,592 286,856
2,512,884 2,366,562

b = Projected total consumers

| | | 38,074 | 35,857 |

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

Class 2006 2005 2004 2003
Class A 0 0 0 0
Class B 8.16 4.40 3.39 12.59
Class C 53.57 55.20 93.06 79.44
Class D 0 0 0 0
Class E 0 0 0 0
Class F 0 0 0 0
Class G 0 0 0 0
Class H 0 0 0 0
Class I 0 0 0 0

SAIDI for total of interruptions

| | | 61.73 | 59.60 | 96.45 | 92.03 |

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

| | Class A| 0 | 0 | 0 | 0 |
| | Class B| 284,074| 149,296| 111,128| 392,984|
| | Class C| 1,864,932| 1,872,091| 3,050,600| 2,479,640|
| | Class D| 0 | 0 | 0 | 0 |
| | Class E| 0 | 0 | 0 | 0 |
| | Class F| 0 | 0 | 0 | 0 |
| | Class G| 0 | 0 | 0 | 0 |
| | Class H| 0 | 0 | 0 | 0 |
| | Class I| 0 | 0 | 0 | 0 |

b = Total consumers

| | | 34,813 | 33,931 | 32,781 | 31,214 |



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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2006, No 150


Gazette.govt.nz — PDF NZ Gazette 2006, No 150




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🏭 Electricity Interruption Statistics (continued from previous page)

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Electricity, Interruptions, Statistics, Performance, Targets