✨ 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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🏭 Financial Statements of TransAlta New Zealand Limited (continued from previous page)

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Financial Statements, Performance Measures, Electricity (Information Disclosure) Regulations 1994