β¨ Energy Performance Statistics
2832 NEW ZEALAND GAZETTE No. 119
TOP ENERGY LIMITED
Performance Measures and Statistics
For the Year Ended 31 March 1997
Regulation 16
Reliability Performance Measures
i. Total number of interruptions and breakdowns by interruption class
Class Type of Interruption 1997 1996 1995
No No No
A Planned - Transpower 1 1 0
B Planned - Top Energy 356 324 351
C Unplanned - Top Energy 210 198 294
D Unplanned - Transpower 2 8 2
E Unplanned - ECNZ 0 0 0
F Unplanned - Other 0 0 0
G Any other interruption 0 0 0
Total - All interruptions 569 531 647
ii. Number of faults per 100 circuit kms
Line Voltage Total Underground Overhead
1997 1996 1995 1997 1996 1995 1997 1996 1995
100kV
66kV
33kV 2.93 2.93 2.51 0 0 0 2.93 2.93 2.51
11kV 4.52 4.53 4.78 0 0 0 4.57 4.59 4.78
6.6kV
3.3kV
Total 4.40 4.42 3.27 0 0 0 4.45 4.46 3.27
iii. Breakdown of statistics by interruption class
Class Type of Interruption SAIDI SAIFI CAIDI
(Minutes) (Interruptions) (Minutes)
1997 1996 1995 1997 1996 1995 1997 1996 1995
A Planned - Transpower 45 152 0 0.3 0.5 0 167 261.4 0
B Planned - Top Energy 179 110 242 5.4 5.0 6.6 33 21.8 36.7
C Unplanned - Top Energy 412 355 340 8.0 7.0 5.0 52 50.9 68.6
D Unplanned - Transpower 75 16 38 1.6 1.3 2.9 45 12.9 13.6
E Unplanned - ECNZ 0 0 0 0 0 0 0 0 0
F Unplanned - Other 0 0 0 0 0 0 0 0 0
G Any other interruption 0 0 0 0 0 0 0 0 0
Total - All interruptions 711 633 620 15.3 13.8 14.5 46 46 42
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VUW Te Waharoa —
NZ Gazette 1997, No 119
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NZ Gazette 1997, No 119
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Performance Measures and Statistics for Top Energy Limited
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