New Zealand Gazette – 2001 – No. 120

Page 3158

✨ Electricity Reliability Performance Measures



NEW ZEALAND GAZETTE

No. 120

A6. The total number of faults per 100 circuit kilometres of underground prescribed voltage electric line, together with a breakdown of that total according to different nominal line voltages.

A7. 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.

Nominal Voltage Lines Faults per 100 km Cable Faults per 100 km Total Faults per 100 km
33 kV 1.79 0 1.78
11 kV 5.53 5.30 5.53
TOTALS 5.65 5.19 5.63
Faults/100km Faults/100km 33kV Faults/100km 11kV
Target 31/03/02 5.40 1.75 5.35
31/03/2002 Avg forecast 5.62 1.77 5.48
31/03/2003 Avg forecast 5.57 1.72 5.15
31/03/2004 Avg forecast 5.37 1.67 4.82
31/03/2005 Avg forecast 4.79 1.61 4.71
31/03/2006 Avg forecast 4.32 1.57 4.66

A8. The SAIDI, SAIFI, CAIDI for the total number of interruptions.

SAIDI targets for the following financial year for-

(a) Planned interruptions by the line owner (Class B); and
(b) Unplanned interruptions originating within the works of the line owner (Class C).

Average SAIDI targets for the following financial year and the subsequent 4 financial years for each of-

(a) Planned interruptions by the line owner (Class B); and
(b) Unplanned interruptions originating within the works of the line owner (Class C).

The SAIDI for the total number of interruptions within each interruption class.

NETWORK OR GENERATION OWNER Disc Reg Class CLASSIFICATION OF INTERRUPTIONS SAIDI Numerator (Cust-min) SAIDI Result (min/Conn Cust) SAIFI Numerator (Cust-int) SAIFI Result (Int/Conn Cust) CAIDI Result (min/Cust int)
MainPower B Planned Shut-downs 1509508 60.48 6725 0.27 224.48
C + G Unplanned Interruptions 2283358 91.48 45148 1.81 50.61
Subtotal 3792966 151.96 51843 2.08
TransPower A Planned Shut-downs 0 0.00 0 0.00 333.00
D Unplanned Interruptions 0 0.00 0 0.00 0.00
Subtotal 0 0.00 0 0.00
Other G Other Interruptions 0 0.00 0 0.00
Other E Unplanned Interruptions 0 0.00 0 0.00 0.00
Subtotal 0 0.00 0 0.00
TOTAL 3792966 151.96 51843 2.08 73.16

Common Denominator = No of Cust. 24960.5

Class B SAIDI SAIFI CAIDI
Target 31/03/02 42 0.19 221
31/03/2002 Avg forecast 45 0.21 214
31/03/2003 Avg forecast 43 0.20 215
31/03/2004 Avg forecast 36 0.15 240
31/03/2005 Avg forecast 25 0.13 192
31/03/2006 Avg forecast 23 0.12 192


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2001, No 120


Gazette.govt.nz — PDF NZ Gazette 2001, No 120




✨ LLM interpretation of page content

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

🌾 Primary Industries & Resources
Electricity, Reliability Performance, Interruptions, Faults, MainPower New Zealand Ltd, Trans Power, Line Owners