✨ Reliability Performance Measures




Reliability Performance Measures (Regulation 22)

1 Total number of interruptions according to class

2001 2000 1999 1998 1997
Planned (Transpower) 1 0 0 0 0
Planned (TLC) 435 309 271 343 511
Unplanned (TLC) 447 357 273 257 385
Unplanned (Transpower) 5 7 6 4 10
Generation (Others) 2 - - - -
Total 890 673 550 604 906

2 Interruption targets for the following year

3 and for the subsequent four financial years

2002 2003 2004 2005 2006 Average 2002/06
Planned (TLC) 450 450 450 450 450 450
Unplanned (TLC) 384 346 311 280 252 315

4 Percentage of total number for faults not restored in 3 or 24 hours

Unplanned (TLC) faults for 2000/01 restored in 3 or 24 hours

Number % of Outages
Not Restored in 3 hours 91 27.66%
Not Restored in 24 hours 3 0.91%

5a Total number of faults per 100km of lines for:

2001 2000 1999 1998
Faults per 100km
33kV 9.9 8.7 11.1 15.7
11kV 7.8 8.2 9.4 9.5
Total 8.0 8.2 9.6 10

5b Target for the following year

5c and the subsequent 4 financial years

Faults per 100km 2002 2003 2004 2005 2006 Average 2002/06
33kV 7.4 5.6 4.2 3.1 2.3 4.5
11kV 7.0 6.3 5.7 5.1 4.6 5.8
Total 7.1 6.3 5.5 4.9 4.4 5.6

6a Total number of faults per 100km of underground lines for:

2001 2000 1999 1998
Faults per 100km
33kV 0 0 0 0
11kV 3.3 8.3 16.7 0
Total 3.2 8.3 16.7

6b Target for the following year

6c and the subsequent 4 financial years

Faults per 100km 2002 2003 2004 2005 2006 Average 2002/06
33kV 0.0 0.0 0.0 0.0 0.0 0.0
11kV 4.0 3.6 3.3 2.9 2.6 3.3
Total 4.0 3.6 3.2 2.9 2.6 3.3

7a Total number of faults per 100km of overhead lines for:

2001 2000 1999 1998
Faults per 100km
33kV 9.9 8.7 11.1 15.7
11kV 7.9 8.2 9.4 9.5
Total 8.1 8.2 9.6 10

7b Target for the following year

7c and the subsequent 4 financial years

Faults per 100km 2002 2003 2004 2005 2006 Average 2002/06
33kV 7.4 5.6 4.2 3.1 2.3 4.5
11kV 7.1 6.4 5.8 5.2 4.7 5.8
Total 7.1 6.3 5.6 5.0 4.4 5.7


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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2001, No 92


Gazette.govt.nz PDF NZ Gazette 2001, No 92





✨ LLM interpretation of page content

πŸ’° Financial and Efficiency Performance Measures from Financial Statements (continued from previous page)

πŸ’° Finance & Revenue
Financial Performance, Efficiency Measures, Operating Surplus, Depreciation, Revaluations

πŸ—οΈ Reliability Performance Measures (Regulation 22)

πŸ—οΈ Infrastructure & Public Works
Interruptions, Faults, Reliability, Performance Measures, Electricity