New Zealand Gazette – 2008 – No. 13

Page 318

✨ Electricity Performance Statistics



NEW ZEALAND GAZETTE, No. 13

29 JANUARY 2008

5 Faults (Class C) per 100 kilometres

(a) Total number of faults per 100 km

Voltage 2007 2006 2005 2004 2003
33 kV 0 0 - - 11.5
11 kV 10 5 16.6 9.1 14.0
Total 10 4.4 14.7 8.0 13.6

(b)(c) Average total number of faults per 100 km for the next five years

average total number of faults per 100 km each year over this period 2009-2012

Voltage 2008
33 kV 3.8
11 kV 3.8
Total 3.8

6 Faults (Class C) per 100 kilometres underground

Voltage 2007 2006 2005 2004 2003
33 kV 0 0 - - 8.7
11 kV 8 4.2 15.7 7.2 7.6
Total 8 3.7 13.8 6.3 7.6

7 Faults (Class C) per 100 kilometres overhead

Voltage 2007 2006 2005 2004 2003
33 kV 0 0 - - 26.8
11 kV 24 11.9 23.9 25.0 54.3
Total 24 11 22.1 22.2 42.0

8 SAIDI
Customer Minutes

2007 2006 2005 2004 2003
249.9 122 51.0 53.2 329.6

9/10 SAIDI target

average SAIDI for each year over this period 2009-2012

(a) Class B
(b) Class C

2008
(a) 15.0
(b) 30.0

11 SAIDI per interruption class

Class Description 2007 2006 2005 2004 2003
A Transpower Planned 0 0 - - 23.4
B Transpower Unplanned 9.3 12.2 2.5 6.6 0.0
C Nelson Electricity Planned 25.8 10.1 38.6 46.6 72.1
D Nelson Electricity Unplanned 0 0.2 - - 9.3
E Transpower Unplanned 214.8 99.8 - - 36.6
F ECNZ Unplanned 0 0 - - -
G Other Generation 0 0 - - -
H Unplanned Other Line Owner 0 0 - - -
I Planned Other Line Owner 0 - - - -
J Other 0 - - - -

12 SAIFI
Total Interruptions

2007 2006 2005 2004 2003
2.5 2.2 0.8 0.8 1.4

13/14 SAIFI target

average SAIFI for each year over this period 2009-2012

(a) Class B Planned
(b) Class C Unplanned

2008
(a) 0.3
(b) 0.6

15 SAIFI per interruption class

Class Description 2007 2006 2005 2004 2003
A Transpower Planned 0 0 - - 0.0
B Nelson Electricity Planned 0.3 0.1 0.1 0.3 0.7
C Nelson Electricity Unplanned 0.2 0.2 0.8 0.5 0.3
D Transpower Unplanned 2.0 1.9 - - 0.4
E ECNZ Unplanned 0 0 - - -
F Other Generation 0 0 - - -
G Unplanned Other Line Owner 0 0 - - -
H Planned Other Line Owner 0 0 - - -
I Other 0 0 - - -

16 CAIDI
Customer minutes

2007 2006 2005 2004 2003
94.5 54.8 51.1 70.7 69.6

17 CAIDI target

average CAIDI for each year over this period 2009-2012

(a) Class B Planned
(b) Class C Unplanned

2008
(a) 50.0
(b) 50.0

19 CAIDI per interruption class

Class Description 2007 2006 2005 2004 2003
A Transpower Planned 0 0 - - 23.4
B Nelson Electricity Planned 28.1 161 142.3 23.4 171.1
C Nelson Electricity Unplanned 77.1 61.8 51.6 93.5 57.0
D Transpower Unplanned 107.4 50.2 - - -
E ECNZ Unplanned 0 0 - - -
F Other Generation 0 0 - - -
G Unplanned Other Line Owner 0 0 - - -
H Planned Other Line Owner 0 0 - - -
I Other 0 0 - - -


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2008, No 13


Gazette.govt.nz — PDF NZ Gazette 2008, No 13




✨ LLM interpretation of page content

🏭 Performance Measures for Nelson Electricity Limited (continued from previous page)

🏭 Trade, Customs & Industry
Electricity, Performance Measures, Financial Performance, Efficiency Performance, Energy Delivery, Reliability Performance, Nelson Electricity Limited