New Zealand Gazette – 2008 – No. 34

Page 803

✨ Energy Distribution Performance Measures



HORIZON ENERGY DISTRIBUTION LIMITED

Requirement 21 Reliability Performance Measures (Continued)

For the year ended 31 March 2007

2007 2006 2005 2004
6) Number of Faults per 100 km of Underground Prescribed Voltage Line
110 kV - - - -
33 kV - - - -
11 kV 4.8 4.8 4.8 4.4
Total Underground Faults / 100km 4.7 4.7 4.7 4.4
2007 2006 2005 2004
7) Number of Faults per 100 km of Overhead Prescribed Voltage Line
110 kV 4.0 4.0 4.0 0.6
33 kV - - - -
11 kV 7.2 7.2 7.2 5.0
Total Overhead Faults / 100km 6.9 6.9 6.9 4.6
2007 2006 2005 2004
8) SAIDI for Total Number of Interruptions 315 292 Ω 987 219

Ω Due to extreme weather events as set out in the Company’s 2005 and 2006 Threshold Compliance Statements.

2008 2007 2006 2005 2004
9) SAIDI Targets (Next Year)
(a) Planned interruptions (Class B) 45 45 45 45 45
(b) Unplanned interruptions (Class C) 100 100 100 100 100
2008-2012
10) Average SAIDI Targets (Next 5 Years)
(a) Planned interruptions (Class B) 45
(b) Unplanned interruptions (Class C) 100
2007 2006 2005 2004
11) SAIDI for Total Interruptions by Class
Class A - Transpower planned interruptions 2 14 251 74
Class B - Horizon planned interruptions 16 31 22 25
Class C - Horizon unplanned interruptions 140 156 331 108
Class D - Transpower unplanned interruptions 148 84 372 12
Class E - Horizon generation unplanned interruptions 9 - - -
Class F - Other generation unplanned interruptions - - - -
Class G - Other line owner unplanned interruptions - 4 11 -
Class H - Other line owner planned interruptions - - - -
Class I - Not in A to H - - - -


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2008, No 34


Gazette.govt.nz — PDF NZ Gazette 2008, No 34




✨ LLM interpretation of page content

🏭 Requirement 21 Reliability Performance Measures (continued from previous page)

🏭 Trade, Customs & Industry
Energy Distribution, Reliability, Interruptions, Faults, Performance Measures