New Zealand Gazette – 1997 – No. 106

Page 2481

✨ Financial Statements

Wairoa Power Limited - Lines Business

NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS

FOR THE YEAR ENDED 31 MARCH 1997 continued

18. RELIABILITY PERFORMANCE MEASURES (continued)

Interruption Class		1997	1996	1995
A	Planned Interruption by Trans Power	Number	2	0
		SAIDI	26.9	0.0
		SAIFI	0.24	0.0
		CAIDI	112.0	0.0

| B | Planned Interruption by Other Line Owner | Number | 43 | 25 | 34 |
| | | SAIDI | 98.6 | 166.0| 201.0|
| | | SAIFI| 0.93 | 1.04 | 1.20 |
| | | CAIDI | 106.0| 160.0| 167.0|

| C | Unplanned Interruption by Other Line Owner | Number | 178 | 59 | 88 |
| | | SAIDI | 748.0| 499.0| 1081.4|
| | | SAIFI| 7.1 | 4.4 | 2.3 |
| | | CAIDI | 105.5| 115.0| 469.1|

| D | Unplanned Interruption by Trans Power | Number | 0 | 2 | 1 |
| | | SAIDI | 0.0 | 57.0 | 0.3 |
| | | SAIFI| 0.0 | 2.2 | 0.1 |
| | | CAIDI | 0.0 | 26.0 | 5.0 |

| E | Unplanned Interruption by ECNZ | Number | 0 | 1 | 0 |
| | | SAIDI | 0.0 | 7.0 | 0.0 |
| | | SAIFI| 0.0 | 1.0 | 0.0 |
| | | CAIDI | 0.0 | 7.0 | 0.0 |

| F | Unplanned Interruption by any other generator | Number | 0 | 0 | 0 |
| | | SAIDI | 0.0 | 0.0 | 0.0 |
| | | SAIFI| 0.0 | 0.0 | 0.0 |
| | | CAIDI | 0.0 | 0.0 | 0.0 |

| G | Unplanned Interruption not resulting from above | Number | 0 | 0 | 0 |
| | | SAIDI | 0.0 | 0.0 | 0.0 |
| | | SAIFI| 0.0 | 0.0 | 0.0 |
| | | CAIDI | 0.0 | 0.0 | 0.0 |

| Total | | Number | 223 | 87 | 125 |
| | | SAIDI | 872.8| 729.0| 1339.8|
| | | SAIFI| 8.3 | 8.6 | 4.1 |
| | | CAIDI | 105.7| 85.0 | 330.0|

Definitions:

SAIDI: System Average Interruption Duration Index (minutes per customer per year)
SAIFI: System Average Interruption Frequency Index (interruptions per customer per year)
CAIDI: Customer Average Interruption Duration Index (minutes per customer interrupted)

Wairoa Power Limited - Lines Business

NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS

FOR THE YEAR ENDED 31 MARCH 1997 continued

27 AUGUST

NEW ZEALAND GAZETTE

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💰 Notes to Financial Statements of Wairoa Power Limited - Lines Business (continued from previous page)

Domain💰 Finance & Revenue
KeywordsFinancial Statements, Statistics, Performance Measures, Wairoa Power Limited

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