New Zealand Gazette – 1999 – No. 180

Page 4287

✨ Electricity Interruption Statistics

26 NOVEMBER NEW ZEALAND GAZETTE 4287

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

Year Ended 31-Mar-99	Year Ended 31-Mar-98	Year Ended 31-Mar-97	Year Ended 31-Mar-96
Class A - Planned interruptions caused by TransPower	0	13.13	0.1
Class B - Planned interruptions by Westpower	138.00	211.48	158.9
Class C - Unplanned interruptions by Westpower	103.00	133.29	240.2
Class D - Unplanned interruptions by TransPower	3.40	25.19	36.7
Class E - Unplanned interruptions by ECNZ Generation	0	0	0
Class F - Unplanned interruptions by Westpower Generation	0	1.07	0
Class G - Other interruptions(planned Westpower Generation)	0	0.07	0

12 The SAIFI for the total number of interruptions

2.148 | 4.05 | 3.38 | 5.6 |

13 SAIFI targets for the following financial year

(a) Planned Interruption by the line owner - Class B 0.35

(b) Unplanned Interruption originating from the works of the line owner - Class C 2

14 Average SAIFI targets for the following financial year and subsequent 4 financial years

(a) Planned Interruption by the line owner - Class B 0.3

(b) Unplanned Interruption originating from the works of the line owner - Class C 1.5

15 The SAFI for the total number of interruptions within each interruption class

Year Ended 31-Mar-99	Year Ended 31-Mar-98	Year Ended 31-Mar-97	Year Ended 31-Mar-96
Class A - Planned interruptions caused by TransPower	0	0.1	0
Class B - Planned interruptions by Westpower	0.614	0.96	0.68
Class C - Unplanned interruptions by Westpower	1.454	1.99	1.84
Class D - Unplanned interruptions by TransPower	0.08	0.97	0.86
Class E - Unplanned interruptions by ECNZ Generation	0	0	0
Class F - Unplanned interruptions by Westpower Generation	0	0.03	0
Class G - Other interruptions(planned Westpower Generation)	0	0	0

16 The CAIDI for the total number of interruptions

113.25 | 94.87 | 129.09 | 101.6 |

17 CAIDI targets for the following financial year

(a) Planned Interruption by the line owner - Class B 220

(b) Unplanned Interruption originating from the works of the line owner - Class C 75

18 Average CAIDI targets for the following financial year and subsequent 4 financial years

(a) Planned Interruption by the line owner - Class B 200

(b) Unplanned Interruption originating from the works of the line owner - Class C 65

19 The CAIDI for the total number of interruptions within each interruption class

Year Ended 31-Mar-99	Year Ended 31-Mar-98	Year Ended 31-Mar-97	Year Ended 31-Mar-96
Class A - Planned interruptions caused by TransPower	0	130.25	40
Class B - Planned interruptions by Westpower	221	220.82	235.27
Class C - Unplanned interruptions by Westpower	84	66.85	130.35
Class D - Unplanned interruptions by TransPower	41.75	26.03	42.67
Class E - Unplanned interruptions by ECNZ Generation	0	0	0
Class F - Unplanned interruptions by Westpower Generation	0	35.67	0
Class G - Other interruptions(planned Westpower Generation)	0	0	0

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VUW Te Waharoa — NZ Gazette 1999, No 180

NZLII — NZ Gazette 1999, No 180

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🏗️ Westpower Limited Electricity Interruption and Fault Statistics (continued from previous page)

Domain🏗️ Infrastructure & Public Works
KeywordsElectricity, Interruption Targets, Fault Statistics, SAIDI, Performance Metrics

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