New Zealand Gazette – 2006 – No. 151

Page 4403

✨ Energy Reliability Performance Report



27 NOVEMBER 2006

NEW ZEALAND GAZETTE, No. 151

4403

HORIZON ENERGY DISTRIBUTION LIMITED

Requirement 21 Reliability Performance Measures (Continued)
For the year ended 31 March 2006

2006 2005 2004 2003
6) Number of Faults per 100 km of Underground Prescribed Voltage Line
110 kV - - - -
33 kV 4.8 4.8 4.4 1.5
11 kV
Total Underground Faults / 100km 4.7 4.7 4.4 1.4
7) Number of Faults per 100 km of Overhead Prescribed Voltage Line
110 kV - - - -
33 kV 4.0 4.0 0.6 0.6
11 kV 7.2 7.2 5.0 5.0
Total Overhead Faults / 100km 6.9 6.9 4.6 4.6
8) SAIDI for Total Number of Interruptions 292 987 219 192

② Due to extreme weather events as set out in the Company's 2005 and 2006 Threshold Compliance Statements.

2007 2006 2005 2004 2003
9) SAIDI Targets (Next Year)
(a) Planned interruptions (Class B) 45 45 45 45 45
(b) Unplanned interruptions (Class C) 100 100 100 100 67
10) Average SAIDI Targets (Next 5 Years)
(a) Planned interruptions (Class B) 45 45 45 45 45
(b) Unplanned interruptions (Class C) 100 100 100 100 67
11) SAIDI for Total Interruptions by Class
Class A - Transpower planned interruptions 14 251 74 87
Class B - Horizon planned interruptions 31 22 25 20
Class C - Horizon unplanned interruptions 156 331 108 77
Class D - Transpower unplanned interruptions 84 372 12 8
Class E - Horizon generation unplanned interruptions - - - -
Class F - Other generation unplanned interruptions 4 11 - -
Class G - Other line owner unplanned interruptions - - - -
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 2006, No 151


Gazette.govt.nz — PDF NZ Gazette 2006, No 151




✨ LLM interpretation of page content

🏭 Horizon Energy Distribution Limited Performance Report (continued from previous page)

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