New Zealand Gazette – 2006 – No. 142

Page 4127

✨ Energy Performance Statistics



TOP ENERGY LIMITED

Performance Measures and Statistics

For the Year Ended 31 March 2006

Regulation 22

Reliability Performance Measures

i. Total number of interruptions and breakdowns by interruption class

Class Type of Interruption Target 5Yr Ave. Target 2007 2006 2005 2004 2003
A Planned - Transpower No No No No
1 0 0 0
B Planned - Top Energy 122 120 159 147 169 144
C Unplanned - Top Energy 178 190 368 220 219 249
D Unplanned - Transpower 0 2 1 0
E Unplanned - Embedded Generation 0 0 0 0
F Unplanned - Other Generation 0 0 0 0
G Unplanned - Another Line owner 0 0 0 0
H Planned - Another Line owner 0 0 0 0
I Any other interruption 0 0 0 0
Total - All interruptions 528 369 389 393

Class C Interruptions not restored:

a. Within 3 hours:

% % % %
46% 46% 42% 30%

b. Within 24 hours:

% % % %
2% 0% 1% 0%

ii. Number of faults per 100 circuit kms

Line Voltage Total Underground Overhead
2006 2005 2004 2006 2005 2004 2006 2005 2004
2003 2003 2003
------------- ---------------- ---------------- ----------------
66kV
33kV 3.70 2.22 4.78 0.00 0.00 0.00 3.70 2.22 4.81
7.74 0.00 7.74
11kV 12.90 8.71 7.28 0.00 0.00 0.00 13.50 8.71 7.59
7.21 7.38
6.6kV
3.3kV
Total 12.10 8.07 7.06 0.00 0.00 0.00 12.70 8.07 7.34
7.25 0.00 7.41
Target Faults Target 5Yr Ave. Target 2007
33kV 2.0 2.1
11kV 7.0 7.5
Total 7.0 7.0

iii. Breakdown of statistics by interruption class

Class Type of Interruption SAIDI SAIFI CAIDI (Minutes)
2006 (2005) 2006 (2005) 2006 (2005)
2004 2003 2004 2003 2004 2003
----------------------------- ----------------- ---------------- -----------------
A Planned - Transpower 34.0 0.0 0.0 0.0 0.1 0.0 0.0 229.0 0.0 0.0
0.0 0.0
B Planned - Top Energy 22.3 39.4 37.0 0.1 0.3 0.3 154.0 154.0 163.0
0.3 136.0
C Unplanned - Top Energy 499.8 343.1 311.9 5.4 4.3 4.2 92.0 80.0 94.0
382.9 6.1 63.0
D Unplanned - Transpower 0.0 113.7 1.5 0.0 1.6 0.1 0.0 71.0 17.0
0.0 0.0
E Unplanned - Embedded Gen 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
F Unplanned - Other Gen 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
G Unplanned - Another Line owner 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
H Planned - Another Line owner 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
I Any other interruption 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Total - All interruptions 556.1 496.2 5.6 6.2 96.0 81.0
352.9 414.9 4.6 6.4 77.0 66.0
Targets: Target 5Yr Ave. Target 2007
B Planned - Top Energy 40 40
C Unplanned - Top Energy 260 280

| | SAIFI | CAIDI |
| | Target 5Yr Ave. | Target 2007 | Target 5Yr Ave. | Target 2007 |
|-----------------------------|-----------------|---------------|----------------|-------------|
| B Planned - Top Energy | 0.3 | 0.3 | 133 | 133 |
| C Unplanned - Top Energy | 4.9 | 4.9 | 53 | 57 |



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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2006, No 142


Gazette.govt.nz — PDF NZ Gazette 2006, No 142




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