New Zealand Gazette – 2004 – No. 165

Page 4095

✨ Electricity Line Performance Metrics



15 DECEMBER 2004

NEW ZEALAND GAZETTE, No. 165

2004 2003 2002 2001
(h) Total Consumers 33,335 32,205 31,293 30,790

Reliability performance measures to be disclosed by line owners

1. Total number of Interruptions

Class 2004 2003 2002 2001
Class A Transpower Planned 3.00 4.00 3.00 4.00
Class B Line Owner Planned 76.00 66.00 80.00 138.00
Class C Line Owner Unplanned 101.00 118.00 84.00 112.00
Class D Transpower Unplanned 3.00 1.00 0.00 0.00
Total 183.00 189.00 167.00 254.00

2. Interruption Targets (next year)

2004/05 2003/04 2002/03 2001/02
(a) Planned Interruptions by Line Owner (Class B) 100.00 100.00 120.00 160.00
(b) Unplanned Interruptions by Line Owner (Class C) 130.00 130.00 128.00 120.00

3. Average Interruption Targets (5 years)

2005/09 2004/08 2003/07 2002/06
(a) Planned Interruptions by Line Owner (Class B) 100.00 100.00 110.00 124.00
(b) Unplanned Interruptions by Line Owner (Class C) 130.00 130.00 128.00 120.00

4. Fault Restoration Times (Class C) not restored within

2004 2003 2002 2001
(a) 3 hours 23% 17% 14% 13%
(b) 24 hours 0% 0% 0% 0%

5. Number of faults per 100km of prescribed voltage line

2004 2003 2002 2001
(a) Total number of faults 4.53 5.45 3.91 5.22
2004/05 2003/04 2002/03 2001/02
(b) Number of faults targeted (next year) 6.00 6.00 6.00 6.00
2005/09 2004/08 2003/07 2002/06
(c) Average number of faults targeted (5 years) 6.00 6.00 6.00 6.00

| (d) Number of faults per nominal line voltages |

Total number of faults
33 kV system
11 kV system
6.6 kV system
Number of faults targeted (next year)
33 kV system
11 kV system
6.6 kV system
Average number of faults targeted (5 years)
33 kV system
11 kV system
6.6 kV system

6. Number of faults per 100km of prescribed voltage underground line

2004 2003 2002 2001
33 kV system 0.00 0.00 0.00 0.00
11 kV system 6.94 4.67 2.47 8.31
6.6 kV system 0.00 0.00 0.00 0.00
Total 6.02 4.43 2.34 7.86

7. Number of faults per 100km of prescribed voltage overhead line

2004 2003 2002 2001
33 kV system 2.46 1.65 1.67 1.67
11 kV system 4.51 5.87 4.28 5.21
6.6 kV system 0.00 6.06 0.00 9.09
Total 4.41 5.52 4.06 5.06

8. SAIDI for the total number of interruptions

2004 2003 2002 2001
164.10 151.23 114.68 172.57

9. SAIDI targets (next year)

2004/05
(a) Planned Interruptions by Line Owner (Class B) 25.00


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2004, No 165


Gazette.govt.nz — PDF NZ Gazette 2004, No 165




✨ LLM interpretation of page content

💰 Network Tasman Limited Line Business Financial Performance Measures (continued from previous page)

💰 Finance & Revenue
15 December 2004
Financial Performance, Operating Surplus, Interest Expense, Income Tax, Net Surplus, Valuation Reconciliation, System Fixed Assets, ODV, Depreciation, Revaluations, ROF, ROE, ROI

🏗️ Reliability Performance Measures for Line Owners

🏗️ Infrastructure & Public Works
Electricity, Interruptions, Reliability, Faults, Restoration Times, Performance Targets, SAIDI