New Zealand Gazette – 1999 – No. 146

Page 3505

✨ Reliability Performance Measures



11 OCTOBER
NEW ZEALAND GAZETTE
3505

DISCLOSURE OF RELIABILITY PERFORMANCE MEASURES UNDER REGULATION 22 OF THE ELECTRICITY (INFORMATION DISCLOSURE) REGULATIONS 1999.

1. Total Number of Interruptions 1999 1998 1997 1996
Class A - Planned - by Transpower 0 0 1 0
Class B - Planned - by Line Owners 372 628 460 477
Class C - Unplanned - by Line Owners 420 358 370 277
Class D - Unplanned - by Transpower 9 0 8 3
Class E - Unplanned - by ECNZ 0 0 0 0
Class F - Unplanned - by other generation 0 0 0 1
Class G - Any other loss of supply 0 0 0 0
Total 801 986 839 758
2. Interruption Targets for 1999/2000
Class B - Planned - by Line Owners 350
Class C - Unplanned - by Line Owners 340
3. Average Interruption Targets for next 5 Years
Class B - Planned - by Line Owners 325
Class C - Unplanned - by Line Owners 320
4. Proportion of Class C Interruptions not restored within:
3 Hours 10%
24 Hours 0%
5. (a) Total No. of Faults per 100 circuit kilometres of prescribed voltage electric line 12.77 10.70 10.72 9.31
(b) Target for 1999/2000 Year 10.60
(c) Average Target for 1999/2000 to 2003/4 Yrs 10.20
6. Total No. of Faults per 100 circuit kilometres of underground prescribed voltage electric line
11 kV 8.00 6.12 2.00 4.15
33 kV 0 0 0 9.37
7. Total No. of Faults per 100 circuit kilometres of overhead prescribed voltage electric line
11 kV 12.78 10.79 11.78 8.80
33 kV 14.74 11.56 10.00 6.08
8. The SAIDI for the total No. of Interruptions 288.25 240.51 379.43 248.60
9. SAIDI Targets for 1999/2000
Class B - Planned - by Line Owners 55
Class C - Unplanned - by Line Owners 120
10. Average SAIDI Target for 1999/2000 to 2003/4 Yrs
Class B - Planned - by Line Owners 50
Class C - Unplanned - by Line Owners 110
11. SAIDI for Total No. of Interruptions within each Interruption Class
Class A - Planned - by Transpower 0 0 19.28 0
Class B - Planned - by Line Owners 58.22 115.36 81.95 70.77
Class C - Unplanned - by Line Owners 158.48 125.16 205.95 156.75
Class D - Unplanned - by Transpower 71.55 0 71.67 18.06
Class E - Unplanned - by ECNZ 0 0 0 0
Class F - Unplanned - by other generation 0 0 0 0
Class G - any other loss of supply 0 0 0 0
12. SAIFI for the Total No. of Interruptions 6.04 4.03 7.66 5.20
13. SAIFI Targets for 1999/2000
Class B - Planned - by Line Owners 0.44
Class C - Unplanned - by Line Owners 3.00
14. Average SAIFI target for 1999/2000 to 2003/4 Yrs
Class B - Planned - by Line Owners 0.40
Class C - Unplanned - by Line Owners 2.80


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✨ LLM interpretation of page content

💰 Disclosure of Reliability Performance Measures (continued from previous page)

💰 Finance & Revenue
11 October 1999
Reliability performance, Interruptions, Faults, SAIDI, SAIFI, Electricity (Information Disclosure) Regulations 1999