New Zealand Gazette – 2001 – No. 113

Page 2944

✨ Electricity Reliability Performance Measures



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

2001 2000 1999 1998
1. Total Number of Interruptions
Class A - Planned - by Transpower 0 1 0 0
Class B - Planned - by Line Owners 209 271 372 628
Class C - Unplanned - by Line Owners 312 267 420 358
Class D - Unplanned - by Transpower 2 3 9 0
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
Total 523 542 801 986

2. Interruption Targets for 2001/2002

| Class B - Planned - by Line Owners | 220 |
| Class C - Unplanned - by Line Owners| 250 |

3. Average Interruption Targets for Next 5 Yrs

| Class B - Planned - by Line Owners | 200 |
| Class C - Unplanned - by Line Owners| 200 |

4. Proportion of Class C Interruptions not restored within

| 3 Hrs | 15.7% | 13.5% | 10% |
| 24 Hrs | 0% | 0% | 0% |

5. (a) Total No. of Faults per 100 circuit kilometres of prescribed voltage electric line

2001 2000 1999 1998
11 kV 9.51 7.84 12.71 10.72
33 kV 6.73 2.46 13.79 10.37
Total 9.34 7.54 12.77 10.70

(b) Target for 2001/2002 Year

| 11 kV | 7.70 |
| 33 kV | 1.60 |
| Total | 7.32 |

(c) Average Target for 2001/202 to 2005/2006 years

| 11 kV | <5 |
| 33 kV | <2 |
| Total | <5 |

6. Total No. of Faults per 100 circuit kilometres of underground prescribed voltage electric line

2001 2000 1999 1998
11 kV 2.56 2.70 8.00 6.12
33 kV 0.00 0.00 0.00 0.00
Total 2.20 2.30 6.35 5.85

7. Total No. of Faults per 100 circuit kilometres of overhead prescribed voltage electric line

2001 2000 1999 1998
11 kV 9.69 7.96 12.78 10.79
33 kV 7.18 2.63 14.74 11.56
Total 9.54 7.67 12.89 10.84

8. The SAIDI for the total No. of Interruptions

| | 182.52 | 131.21 | 268.25 | 240.51 |

9. SAIDI Targets for 2001/02

| Class B - Planned - by Line Owners | 35 |
| Class C - Unplanned - by Line Owners| 107 |

10. Average SAIDI Target for 2001/2 to 2005/6 Yrs

| Class B - Planned - by Line Owners | 30 |
| Class C - Unplanned - by Line Owners| 90 |



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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2001, No 113


Gazette.govt.nz — PDF NZ Gazette 2001, No 113




✨ LLM interpretation of page content

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

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