New Zealand Gazette – 2006 – No. 163

Page 4746

✨ Electricity Reliability Performance Measures



4746

NEW ZEALAND GAZETTE, No. 163

4 DECEMBER 2006

DISCLOSURE OF RELIABILITY PERFORMANCE MEASURES UNDER THE ELECTRICITY INFORMATION
DISCLOSURE REQUIREMENTS 2004

  1. Total Number of Interruptions
    Class A - Planned - by Transpower 0 1 1 0 1
    Class B - Planned - by Northpower 211 251 149 160 225
    Class C - Unplanned - by Northpower 290 225 256 361 271
    Class D - Unplanned - by Transpower 1 1 0 2 0
    Total 502 478 406 523 497

  2. Interruption Targets for 2006/2007
    Class B - Planned - by Northpower 180 180 180 200 210
    Class C - Unplanned - by Northpower 220 220 240 240 240

  3. Average Interruption Targets for Next 5 Yrs
    Class B - Planned - by Northpower 160 160 160 170 180
    Class C - Unplanned - by Northpower 170 170 170 190 190

  4. Proportion of Class C
    Interruptions not restored within
    3 Hrs 16.8% 16.4% 15.5% 15.7% 14.4%
    24 Hrs 0% 0% 0% 0% 0%

  5. (a) Total No. of Faults per
    100 circuit kilometres of
    prescribed voltage electric line
    11 kV 8.52 6.72 7.79 10.74 8.54
    33 kV 5.63 5.11 7.76 9.57 2.17
    Total 8.33 6.61 7.79 10.66 8.11

    (b) Target for 2006/2007 Year
    11 kV 7.30 7.30 7.30 7.50 7.50
    33 kV 2.00 2.00 2.00 2.00 2.00
    Total 7.00 7.00 7.00 7.12 7.12

    (c) Average Target for
    2006/2007 to 2010/2011 years
    11 kV 5 5 5 5 5
    33 kV 2 2 2 2 2
    Total 5 5 5 5 5

  6. Total No. of Faults per 100 circuit
    kilometres of underground
    prescribed voltage electric line
    11 kV 2.01 1.68 1.92 1.03 2.30
    33 kV 0.00 0.00 0.00 0.00 0.00
    Total 1.82 1.48 1.67 0.88 1.92

  7. Total No. of Faults per 100 circuit
    kilometres of overhead
    prescribed voltage electric line
    11kV 8.83 6.91 7.76 11.04 8.72
    33 kV 6.05 5.48 7.79 10.33 2.35
    Total 8.65 6.82 7.79 11.00 8.31

  8. The SAIDI for the total No. of Interruptions 119.23 113.24 145.32 181.63 219.66

  9. SAIDI Targets for 2006/07
    Class B - Planned - by Line Owners 30 30 30 30 30
    Class C - Unplanned - by Line Owners 87 90 95 100 100

  10. Average SAIDI Target for 2006/7 to 2010/11 Yrs
    Class B - Planned - by Line Owners 30 30 30 30 30
    Class C - Unplanned - by Line Owners 85 85 85 85 85



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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2006, No 163


Gazette.govt.nz — PDF NZ Gazette 2006, No 163




✨ LLM interpretation of page content

🌾 Disclosure of Reliability Performance Measures under Electricity Information Disclosure Requirements 2004 (continued from previous page)

🌾 Primary Industries & Resources
Electricity, Reliability, Performance Measures, Interruptions, Faults, SAIDI