β¨ Electricity Performance Statistics
2 OCTOBER
NEW ZEALAND GAZETTE
3973
TRANSALTA NEW ZEALAND LIMITED
Performance Measures and Statistics (Continued)
For the Year Ended 31 March 1998
9. Breakdown Of Statistics By Interruption Class
| Type of interruption | Class | 31-Mar-98 | 31-Mar-97 | 31-Mar-96 | 31-Mar-95 |
|---|---|---|---|---|---|
| SAIDI (Minutes) | |||||
| Planned - Transpower | A | - | - | - | - |
| Planned - TransAlta | B | 9.06 | 5.99 | 14.03 | 18.89 |
| Unplanned - TransAlta | C | 19.26 | 24.08 | 22.05 | 31.81 |
| Unplanned - Transpower | D | 0.15 | 7.16 | 13.97 | 2.95 |
| Unplanned - ECNZ | E | - | - | - | - |
| Unplanned - Other | F | - | - | - | - |
| Any other interruption | G | - | - | - | - |
| TOTAL: All Interruptions | 28.47 | 37.23 | 50.06 | 53.66 |
| SAIFI (Interruptions) | | | | | |
| Planned - Transpower | A | - | - | - | - |
| Planned - TransAlta | B | 0.07 | 0.17 | 0.14 | 0.13 |
| Unplanned - TransAlta | C | 0.48 | 0.56 | 0.36 | 0.52 |
| Unplanned - Transpower | D | 0.04 | 0.58 | 1.08 | 0.68 |
| Unplanned - ECNZ | E | - | - | - | - |
| Unplanned - Other | F | - | - | - | - |
| Any other interruption | G | - | - | - | - |
| TOTAL: All Interruptions | | 0.59 | 1.31 | 1.58 | 1.32 |
| CAIDI (Minutes) | | | | | |
| Planned - Transpower | A | - | - | - | - |
| Planned - TransAlta | B | 138.88 | 36.22 | 100.08 | 151.03 |
| Unplanned - TransAlta | C | 40.27 | 43.20 | 60.92 | 61.41 |
| Unplanned - Transpower | D | 4.00 | 12.40 | 12.99 | 4.37 |
| Unplanned - ECNZ | E | - | - | - | - |
| Unplanned - Other | F | - | - | - | - |
| Any other interruption | G | - | - | - | - |
| TOTAL: All Interruptions | | 49.02 | 28.58 | 31.73 | 40.69 |
The information disclosed in the 1998 Information Disclosure package issued by TransAlta New Zealand Limited has been prepared solely for the purposes of the Electricity (Information Disclosure) Regulations 1994.
The information should not be used for any other purpose than that intended under the regulations.
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VUW Te Waharoa —
NZ Gazette 1998, No 165
NZLII —
NZ Gazette 1998, No 165
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Financial Statements of TransAlta New Zealand Limited
(continued from previous page)
π Trade, Customs & IndustryFinancial Statements, Performance Measures, Electricity (Information Disclosure) Regulations 1994