New Zealand Gazette – 2006 – No. 151

Page 4404

✨ Energy Reliability Performance Report



HORIZON ENERGY DISTRIBUTION LIMITED

Requirement 21 Reliability Performance Measures (Continued)

For the year ended 31 March 2006

2006 2005 2004 2003
12 SAIFI for Total Number of Interruptions
Due to extreme weather events as set out in the Company’s 2005 and 2006 Threshold Compliance Statements
2.48 ⏀ 3.54 1.62 1.60

SAIFI Targets (Next Year)

2007 2006 2005 2004 2003
13
(a) Planned interruptions (Class B) 0.30 0.30 0.30 0.30 0.33
(b) Unplanned interruptions (Class C) 1.50 1.50 1.50 1.50 1.30

Average SAIFI Targets (Next 5 Years)

2006 2005 2004 2003
14
(a) Planned interruptions (Class B) 0.30 0.30 0.30 0.30 0.33
(b) Unplanned interruptions (Class C) 1.50 1.50 1.50 1.50 1.30

SAIFI for Total Interruptions by Class

Class Description 2006 2005 2004 2003
A Transpower planned interruptions 0.04 0.76 0.16 0.17
B Horizon planned interruptions 0.16 0.11 0.15 0.18
C Horizon unplanned interruptions 1.89 2.35 1.10 0.88
D Transpower unplanned interruptions 0.31 0.16 0.19 0.36
E Horizon generation unplanned interruptions 0.00 0.00 0.00 0.00
F Other generation unplanned interruptions 0.00 0.07 0.00 0.00
G Other line owner unplanned interruptions 0.04 0.09 0.00 0.00
H Other line owner planned interruptions 0.00 0.00 0.00 0.00
I Not in A to H 0.00 0.00 0.00 0.00
2006 2005 2004 2003
16 CAIDI for Total Number of Interruptions 118 279 135

CAIDI Targets (Next Year)

2007 2006 2005 2004 2003
17
(a) Planned interruptions (Class B) 150 150 150 150 136
(b) Unplanned interruptions (Class C) 87 67 67 67 52

Average CAIDI Targets (Next 5 Years)

2007 2006 2005 2004 2003
18
(a) Planned interruptions (Class B) 150 150 150 150 136
(b) Unplanned interruptions (Class C) 87 67 67 67 52

CAIDI for Total Interruptions by Class

Class Description 2006 2005 2004 2003
A Transpower planned interruptions 343 330 411 501
B Horizon planned interruptions 189 200 167 111
C Horizon unplanned interruptions 82 141 98 87
D Transpower unplanned interruptions 268 2,325 63 22
E Horizon generation unplanned interruptions - - - -
F Other generation unplanned interruptions - - - -
G Other line owner unplanned interruptions 114 122 - -
H Other line owner planned interruptions - - - -
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