New Zealand Gazette – 2006 – No. 141

Page 4991

✨ Electricity Reliability Statistics



17 NOVEMBER 2006 NEW ZEALAND GAZETTE, No. 141 4091

  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.
Nominal Voltage Lines Faults per 100 km Cable Faults per 100 km Total Faults per 100 km
33 kv 0.98 40.50 1.30
11 kv 3.03 4.01 3.06
TOTALS 2.85 4.60 2.92
Faults/100km Faults/100km 33kV Faults/100km 11kV
Target 31/03/07 2.23 0.65 2.38
31/03/2007 Avg forecast 2.23 0.65 2.38
31/03/2008 Avg forecast 2.09 0.65 2.23
31/03/2009 Avg forecast 2.09 0.65 2.23
31/03/2010 Avg forecast 1.95 0.32 2.11
31/03/2011 Avg forecast 1.95 0.32 2.11

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 line owner (Class B); and

(b) Unplanned interruptions originating within the works of the line owner (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 line owner (Class B); and

(b) Unplanned interruptions originating within the works of the line owner (Class C).

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

NETWORK OR GENERATION OWNER DISC 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 1,021,518 33.3056 4,749 0.1548 215.1017
C + G Unplanned Interruptions 2,142,984 69.8694 46,683 1.5221 45.9046
Subtotal 3,164,482 103.1751 51,432 1.6769 61.5275
Trans Power A Planned Shut-downs 0 0 0 0 0
D Unplanned Interruptions 184,038 6.0004 5,169 0.1685 35.6042
Subtotal 184,038 6.0004 5,169 0.1685 35.6042
Other G Other Interruptions 0 0 0 0 0
E Unplanned Interruptions 0 0 0 0 0
Subtotal 0 0 0 0 0
TOTAL 3,348,520 109.1754 56,601 1.8454 59.1600

Common Denominator = No of Cust. 30,671

Class B SAIDI SAIFI CAIDI
Target 31/03/07 52 0.32 162
31/03/2007 Avg forecast 52 0.32 162
31/03/2008 Avg forecast 38 0.25 152
31/03/2009 Avg forecast 37 0.23 160
31/03/2010 Avg forecast 35 0.21 166
31/03/2011 Avg forecast 33 0.21 157


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2006, No 141


Gazette.govt.nz — PDF NZ Gazette 2006, No 141




✨ LLM interpretation of page content

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

🏭 Trade, Customs & Industry
Electricity, Reliability, Interruptions, Performance Measures, Commerce Act, Disclosure Requirements