β¨ Electricity Reliability Statistics
NEW ZEALAND GAZETTE
No. 107
Detailed shutdown analysis:
| 1995/96 UNPLANNED [CLASS C] | 1995/96 PLANNED [CLASS B] | 1994/95 UNPLANNED [CLASS C] | 1994/95 PLANNED [CLASS B] | |
|---|---|---|---|---|
| 1) Total Interruptions | 222 | 308 | 287 | 400 |
| 33kV Overhead | 11 | 0 | 12 | 0 |
| 33kV Underground | 0 | 0 | 0 | 0 |
| 11kV Overhead | 161 | 272 | 234 | 343 |
| 11kV Underground | 50 | 36 | 41 | 57 |
| 1995/96 | 1994/95 | |
|---|---|---|
| 2) Total Faults per 100km of line | 6.13 | 8.13 |
| 3) Faults per 100km of Underground Line | ||
| 33kV | 0 | 0 |
| 11kV | 16.50 | 13.50 |
| 4) Faults per 100km of Overhead Line | ||
| 33kV | 4.85 | 5.29 |
| 11kV | 9.17 | 13.32 |
SYSTEM AVERAGE INTERRUPTION DURATION INDEX [SAIDI]
| 1995/96 | 1994/95 | |
|---|---|---|
| 5) Total Interruptions | 111.8 min/per year | 172 min/per year |
| 6) Class A | 0 | 0 |
| Class B | 39.60 | 49.60 |
| Class C | 72.20 | 122.40 |
| Class D | 0 | 0 |
| Class E | 0 | 0 |
| Class F | 0 | 0 |
| Class G | 0 | 0 |
SYSTEM AVERAGE INTERRUPTION FREQUENCY INDEX [SAIFI]
| 1995/96 | 1994/95 | |
|---|---|---|
| 7) Total Interruptions | 1.97 per year | 3.08 per year |
| 8) Class A | 0 | 0 |
| Class B | 0.35 | 0.53 |
| Class C | 1.62 | 2.55 |
| Class D | 0 | 0 |
| Class E | 0 | 0 |
| Class F | 0 | 0 |
| Class G | 0 | 0 |
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VUW Te Waharoa —
NZ Gazette 1996, No 107
NZLII —
NZ Gazette 1996, No 107
β¨ LLM interpretation of page content
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Electricity Information Disclosure Regulations 1994 - Reliability Performance Measure
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πΎ Primary Industries & ResourcesElectricity, Reliability, Interruption Disclosure, Planned Shutdown, Unplanned Shutdown, Statistics