New Zealand Gazette – 2006 – No. 133

Page 3867

✨ Electricity Network Statistics



Network Waitaki Limited Lines Business

Reliability and Performance Measures

Interruptions

| | Class | 2007/11
| (Target) | 2007
| (Target) | 2006 | 2005 | 2004 | 2003 |
|----------------------|-------|---------------------|---------------------|------|------|------|------|
| Number of interruptions | | | | | | | |
| Planned Interruptions | Class A | 0 | 0 | 3 | 0 | 3 | 0 |
| | Class B | 125 | 125 | 178 | 202 | 102 | 66 |
| Unplanned Interruptions | Class C | 80 | 80 | 54 | 68 | 109 | 75 |
| | Class D | 0 | 0 | 1 | 0 | 0 | 0 |
| | Class E | 0 | 2 | 7 | 0 | 0 | 3 |
| Total | | 205 | 205 | 243 | 260 | 211 | 143 |

| Proportion of Total Class C Interruptions not restored: | | | |
|----------------------------------------------------------|---|-----------------|-----------------|------|------|------|------|
| Within 3 Hours | | 12.50% | 13.79% | 24.06%| 34.80%| 13.3%|
| Within 24 Hours | | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |

Faults

| | Voltages | 2006/10
| (Target) | 2006 | 2005 | 2004 | 2003 |
|--------------------------------------|----------|---------------------|------|------|------|------|
| Overall System | | | | | | |
| Faults per 100 circuit kilometres of prescribed voltage electric line | | 3.57 | 4.68 | 3.29 | 3.37 | 6.58 | 4.39 |
| Faults per 100 circuit kilometres | 33kV | 1.00 | 1.03 | 0.00 | 0.90 | 0.72 | 0.72 |
| | 11kV | 9.00 | 9.03 | 3.60 | 3.66 | 7.04 | 4.75 |
| Overhead | | | | | | |
| Faults per 100 circuit kilometres of prescribed voltage electric line | | 3.87 | 3.45 | 6.50 | 4.48 | | |
| Faults per 100 circuit kilometres | 33kV | 0.00 | 0.00 | 0.00 | 0.72 | | |
| | 11kV | 3.70 | 3.70 | 7.04 | 4.82 | | |
| Underground | | | | | | |
| Faults per 100 circuit kilometres of prescribed voltage electric line | | 3.00 | 0.00 | 7.87 | 0.00 | | |
| Faults per 100 circuit kilometres | 33kV | 0.00 | 0.03 | 2.90 | 0.00 | | |
| | 11kV | 3.00 | 0.05 | 7.93 | 0.00 | | |



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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2006, No 133


Gazette.govt.nz — PDF NZ Gazette 2006, No 133




✨ LLM interpretation of page content

🏭 Network Waitaki Limited Lines Business Statistics (continued from previous page)

🏭 Trade, Customs & Industry
Network Statistics, Electricity, Energy, Network Waitaki Limited, Interruptions, Faults