New Zealand Gazette – 1999 – No. 125

Page 3015

✨ Electricity Reliability Performance Measures

17 SEPTEMBER NEW ZEALAND GAZETTE 3015

3.4 Schedule 1 – PART 5

Regulation 22: Disclosure by Line Owners of Reliability Performance Measures

UnitedNetworks For the year ended 31 March	1996	1997	1998	1999
1 Total Number of Interruptions
Class A	9	-	1	5
Class B	789	661	645	1,002
Class C	1,394	1,515	1,032	1,402
Class D	65	6	5	12
Class E	-	-	-	-
Class F	-	-	-	-
Class G	-	-	-	-
Class H	-	-	-	-
Class I	-	-	-	-
Total	2,257	2,182	1,683	2,421

4 % Total Number of Class C Interruptions
Not Restored within 3 hours				24.54%
Not Restored within 24 hours				0.78%

5 Total Number of Faults per 100km	19.79	20.70	13.32	16.38
110kV	-	3.95	-	-
66kV	3.48	0.70	4.87	3.47
33kV	4.70	10.10	8.03	8.35
11kV	22.04	22.47	14.19	17.61

6 Total Number of Faults per 100km (underground)	5.12	5.83	6.42	8.95
110kV	-	-	-	-
66kV	-	-	-	-
33kV	3.49	2.27	2.18	5.62
11kV	5.26	6.14	6.78	9.28

7 Total Number of Faults per 100km (overhead)	22.30	23.33	14.58	18.00
110kV	-	3.95	-	-
66kV	3.48	0.70	4.87	3.47
33kV	4.85	11.12	8.81	8.87
11kV	25.10	25.65	15.62	19.51

8 SAIDI – Total Number of Interruptions	233.00	219.40	171.19	300.85
11 Class A	63.40	-	-	10.90
Class B	28.50	23.01	28.39	37.71
Class C	129.10	164.93	134.25	241.40
Class D	12.00	31.54	8.55	10.85
Class E	-	-	-	-
Class F	-	-	-	-
Class G	-	-	-	-
Class H	-	-	-	-
Class I	-	-	-	-

12 SAIFI – Total Number of Interruptions	3.36	4.58	2.90	3.99
15 Class A	0.18	-	-	0.06
Class B	1.70	0.17	0.18	0.23
Class C	2.58	3.29	2.37	3.30
Class D	0.40	1.12	0.35	0.40
Class E	-	-	-	-
Class F	-	-	-	-
Class G	-	-	-	-
Class H	-	-	-	-
Class I	-	-	-	-

16 CAIDI – Total of All Interruptions	66.90	44.85	59.03	75.43
19 Class A	300.2	-	239.0	185.80
Class B	146.1	136.7	151.6	163.69
Class C	52.7	58.7	56.4	73.14
Class D	40.9	28.3	23.8	27.19
Class E	-	-	-	-
Class F	-	-	-	-
Class G	-	-	-	-
Class H	-	-	-	-
Class I	-	-	-	-

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VUW Te Waharoa — NZ Gazette 1999, No 125

NZLII — NZ Gazette 1999, No 125

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✨ LLM interpretation of page content

💰 Performance Measures and Statistics for Line Owners (continued from previous page)

Domain💰 Finance & Revenue
KeywordsElectricity reliability, Interruptions, Faults, SAIDI, SAIFI, CAIDI, UnitedNetworks

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