β¨ Power Reliability Statistics
1 SEPTEMBER NEW ZEALAND GAZETTE 2745
POWER NEW ZEALAND LIMITED
Part IV. Reliability Performance Measures (continued)
Refer table below for the following performance measures:
2 Total faults per 100 kms electric line
3 Total faults per 100 kms electric line - underground
4 Total faults per 100 kms electric line - overhead
| Line Voltage | (2) Total | (3) Underground | (4) Overhead |
|---|---|---|---|
| 100kV | 0.000 | 0.000 | 0.000 |
| 66kV | 0.044 | 0.000 | 0.044 |
| 33kV | 0.090 | 0.029 | 0.097 |
| 11kV | 0.244 | 0.084 | 0.273 |
| Total | 0.226 | 0.080 | 0.250 |
Refer table below for the following performance measures:
5 System Average Interruption Duration Index (SAIDI) - total interruptions
6 " - by interruption class
7 System Average Interruption Frequency Index (SAIFI) - total interruptions
8 " - by interruption class
9 Customer Average Interruption Duration Index (CAIDI) - total interruptions
10 " - by interruption class
Breakdown of Statistics by Interruption Class
| Class | Type of Interruption | (6) SAIDI (Minutes) | (8) SAIFI (Interruptions) | (10) CAIDI (Minutes) |
|---|---|---|---|---|
| A | Planned - Transpower | 62 | 0.17 | 354 |
| B | Planned - Line Owner | 44 | 0.30 | 150 |
| C | Unplanned - Line Owner | 154 | 4.25 | 36 |
| D | Unplanned - Transpower | 49 | 0.34 | 143 |
| E | Unplanned - ECNZ | 0 | 0.00 | 0 |
| F | Unplanned - Other | 0 | 0.00 | 0 |
| G | Any Other Interruption | 0 | 0.00 | 0 |
| Total | All Interruptions | 309 | 5.06 | 60 |
| Reference | (5) | (7) | (9) |
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VUW Te Waharoa —
NZ Gazette 1995, No 91
NZLII —
NZ Gazette 1995, No 91
β¨ LLM interpretation of page content
π°
Performance Measures and Statistics for the Year Ending 31 March 1995
(continued from previous page)
π° Finance & RevenueFinancial Performance, Efficiency Measures, Energy Delivery, Accounting Returns, Depreciation, Net Profit, Shareholders Funds, Line Costs, Load Factor, Loss Ratio, Capacity Utilisation