New Zealand Gazette – 2005 – No. 20

Page 459

✨ Energy Statistics



19 JANUARY 2005 NEW ZEALAND GAZETTE, No. 20

459

Alpine Energy Limited Lines Business

Reliability and Performance Measures - Interruptions and Faults - 31 March 2004

Interruptions

Interruptions Class 2004/08 (Target) 2004 (Target) 2004 2003 2002 2001
Number of Interruptions
Planned Interruptions - Transpower Class A 2 2 0 2 2 0
Planned Interruptions - Alpine Class B 35 40 42 46 64 25
Unplanned Interruptions - Alpine Class C 95 100 90 65 97 163
Class D 2 3 0 0 1 8
Unplanned Interruptions - Transpower Class E - I 0 0 0 0 0 0
Total 134 145 132 113 164 196

| Proportion of Total Class C Interruptions not restored: | Within 3 Hours | | 27% | 37% | 7% | 16% |
| | Within 24 Hours| | 9% | 12% | 0% | 0% |

Faults

Faults Voltage 2004/08 (Target) 2004 (Target) 2004 2003 2002 2001
Overall System
Faults per 100 circuit kilometres of 3.1 3.3 3.2 2.08 3.1 5.3
prescribed voltage electric line 33kV 1.1 1.1 1.1 0.53 1.1 0.0
22kV 0.7 0.7 0.7 0.00 0.0 2.7
11kV 3.3 3.5 3.4 2.30 3.4 5.8
6.6kV 0.0 0.0 0.0 0.00 0.0 0.0

| Overhead | | | | | | | |
| Faults per 100 circuit kilometres of | | | 3.3 | 2.13 | 3.3 | 5.5 |
| prescribed voltage electric line | 33kV | | 1.1 | 0.55 | 1.1 | 0.0 |
| | 22kV | | 0.7 | 0.00 | 0.0 | 2.7 |
| | 11kV | | 3.6 | 2.36 | 3.7 | 6.1 |
| | 6.6kV | | 0.0 | 0.00 | 0.0 | 0.0 |

| Underground | | | | | | | |
| Faults per 100 circuit kilometres of | | | 1.3 | 1.38 | 0.5 | 1.5 |
| prescribed voltage electric line | 33kV | | 0.0 | 0.00 | 0.0 | 0.0 |
| | 22kV | | | 0.0 | | |
| | 11kV | | 1.4 | 1.48 | 0.5 | 1.6 |
| | 6.6kV | | 0.0 | 0.00 | 0.0 | 0.0 |



Next Page →



Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2005, No 20


Gazette.govt.nz — PDF NZ Gazette 2005, No 20




✨ LLM interpretation of page content

🏭 Alpine Energy Limited Network Statistics (continued from previous page)

🏭 Trade, Customs & Industry
Energy Statistics, Network Length, Transformer Capacity, Electricity Supply