New Zealand Gazette – 2005 – No. 10

Page 230

✨ Electricity Reliability Performance Measures



230 NEW ZEALAND GAZETTE, No. 10 17 JANUARY 2005

  1. The total number of faults per 100 circuit kilometres of overhead prescribed voltage electric line, together with a breakdown of that total according to different nominal line voltages.
Lines Cable Total
Nominal Voltage Faults per 100 km Faults per 100 km Faults per 100 km
33 kV 4.03 0.00 4.00
11 kV 2.03 1.45 2.01
TOTALS 2.19 1.42 2.18
Faults/100km Faults/100km 33kV Faults/100km 11kV
Target 31/03/2005 2.02 1.6 2.00
31/03/2005 Avg forecast 2.07 1.8 2.07
31/03/2006 Avg forecast 2.02 1.3 2.00
31/03/2007 Avg forecast 1.99 1.3 1.98
31/03/2008 Avg forecast 1.94 1.0 1.95
31/03/2009 Avg forecast 1.94 1.0 1.95

8, 12, 16. The SAIDI, SAIFI, CAIDI for the total number of interruptions.

9, 13, 17. SAIDI targets for the following financial year for-

(a) Planned interruptions by the disclosing entity (Class B); and

(b) Unplanned interruptions originating within the works of the disclosing entity (Class C).

10, 14, 18. Average SAIDI targets for the following financial year and the subsequent 4 financial years for each of-

(a) Planned interruptions by the disclosing entity (Class B); and

(b) Unplanned interruptions originating within the works of the disclosing entity (Class C).

11, 15, 19. The SAIDI for the total number of interruptions within each interruption class.

| NETWORK OR GENERATION OWNER | Dise Reg Class | CLASSIFICATION OF INTERRUPTIONS | SAIDI | SAIFI | CAIDI |
| | | | Numerator (Cust·min) | Result (min/Cust) | Numerator (Cust·int) | Result (int/Cust) | Result (min/Cust·int) |
|-----------------------------|-----------------|--------------------------------|---------------------|----------------------|------------------------|--------------------|-------------------------|
| MainPower | B | Planned Shut-downs | 1,410,024 | 48.59 | 6,126 | 0.21 | 230.17 |
| | C + G | Unplanned Interruptions | 1,318,724 | 45.45 | 27,760 | 0.96 | 47.50 |
| | | Subtotal | 2,728,748 | 94.04 | 33,886 | 1.17 | 80.53 |
| TransPower | A | Planned Shut-downs | 0 | 0.00 | 0 | 0.00 | 0.00 |
| | D | Unplanned Interruptions | 162,448 | 5.60 | 1,136 | 0.04 | 143.00 |
| | | Subtotal | 162,448 | 5.60 | 1,136 | 0.04 | 143.00 |
| Other | G | Other Interruptions | 0 | 0.00 | 0 | 0.00 | 0.00 |
| ECNZ | F | Unplanned Interruptions | 0 | 0.00 | 0 | 0.00 | 0.00 |
| | | Subtotal | 0 | 0.00 | 0 | 0.00 | 0.00 |
| | | TOTAL | 2,891,196 | 99.64 | 35,022 | 1.21 | 82.55 |

Common Denominator | No. of Cust. | 29,018

Class B SAIDI SAIFI CAIDI
Target 31/03/2005 54 0.26 207
31/03/2005 Avg forecast 56 0.28 200
31/03/2006 Avg forecast 54 0.24 225
31/03/2007 Avg forecast 52 0.24 216
31/03/2008 Avg forecast 50 0.23 217
31/03/2009 Avg forecast 50 0.23 217
Class C SAIDI SAIFI CAIDI
Target 31/03/05 52 1.04 50.0
31/03/2005 Avg forecast 54 1.07 50.5
31/03/2006 Avg forecast 51 1.00 51.0
31/03/2007 Avg forecast 50 0.98 51.0
31/03/2008 Avg forecast 49 0.97 50.5
31/03/2009 Avg forecast 49 0.97 50.5


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2005, No 10


Gazette.govt.nz — PDF NZ Gazette 2005, No 10




✨ LLM interpretation of page content

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

🏭 Trade, Customs & Industry
Reliability Performance, Interruptions, Electricity, MainPower, TransPower, ECNZ