New Zealand Gazette – 2008 – No. 34

Page 804

✨ Reliability Performance Measures



HORIZON ENERGY DISTRIBUTION LIMITED

Requirement 21 Reliability Performance Measures (Continued)

For the year ended 31 March 2007

2007 2006 2005 2004
12) SAIFI for Total Number of Interruptions 3.09 2.48* 3.54 1.62
  • Due to extreme weather events as set out in the Company’s 2005 and 2006 Threshold Compliance Statements
Compliance 2008 2007 2006 2005 2004

13) SAIFI Targets (Next Year)

(a) Planned Interruptions (Class B) | 0.30 | 0.30 | 0.30 | 0.30 | 0.30
(b) Unplanned interruptions (Class C) | 1.50 | 1.50 | 1.50 | 1.50 | 1.50

14) Average SAIFI Targets (Next 5 Years)

(a) Planned interruptions (Class B) | 0.30 | 0.30 | 0.30 | 0.30 | 0.30
(b) Unplanned interruptions (Class C) | 1.50 | 1.50 | 1.50 | 1.50 | 1.50

15) SAIFI for Total Interruptions by Class

Class Type 2007 2006 2005 2004
Class A - Transpower planned interruptions 0.06 0.04 0.76 0.18
Class B - Horizon planned interruptions 0.12 0.16 0.11 0.15
Class C - Horizon unplanned interruptions 1.73 1.89 2.35 1.10
Class D - Transpower unplanned interruptions 1.05 0.31 0.16 0.19
Class E - Horizon generation unplanned interruptions 0.00 0.00 0.00 0.00
Class F - Other generation unplanned interruptions 0.13 0.00 0.07 0.00
Class G - Other line owner unplanned interruptions 0.00 0.04 0.09 0.00
Class H - Other line owner planned interruptions 0.00 0.00 0.00 0.00
Class I - Not in A to H 0.00 0.00 0.00 0.00

16) CAIDI for Total Number of Interruptions

2007 2006 2005 2004
84 118 279 135
Compliance 2008 2007 2006 2005 2004

17) CAIDI Targets (Next Year)

(a) Planned interruptions (Class B) | 150 | 150 | 150 | 150 | 150
(b) Unplanned interruptions (Class C) | 67 | 67 | 67 | 67 | 67

18) Average CAIDI Targets (Next 5 Years)

(a) Planned interruptions (Class B) | 150 | 150 | 150 | 150 | 150
(b) Unplanned interruptions (Class C) | 67 | 67 | 67 | 67 | 67

19) CAIDI for Total Interruptions by Class

Class Type 2007 2006 2005 2004
Class A - Transpower planned interruptions 40 343 330 411
Class B - Horizon planned interruptions 135 189 200 167
Class C - Horizon unplanned interruptions 81 82 141 98
Class D - Transpower unplanned interruptions 141 268 2,325 83
Class E - Horizon generation unplanned interruptions - - - -
Class F - Other generation unplanned interruptions 66 - - -
Class G - Other line owner unplanned interruptions - 114 122 -
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