✨ Electricity Network Statistics




Alpine Energy Limited Lines Business

Reliability and Performance Measures

System Average Interruption Duration Index (SAIDI) - 31 March 2006

| Class | 2008/11
(Target) | 2007
(Target) | 2006 | 2005 | 2004 | 2003 |
|---------------------------|----------------|----------------|------|------|------|------|
| SAIDI for total number of interruptions | Overall | | 81 | 80 | 116 | 204 |
| | Class A | 17 | 17 | 17 | 9 | 0 | 22 |
| | Class B | 15 | 15 | 8 | 12 | 12 | 20 |
| | Class C | 66 | 66 | 50 | 57 | 103 | 162 |
| | Class D | | | 5 | 2 | 0 | 0 |
| | Class E - I | | | 0 | 0 | 0 | 0 |

| a = sum of interruption duration factors for all interruptions within the particular interruption class |
|---------------------------|----------------|----------------|------|------|------|------|
| | Class A | 510,026 | 262,560 | 0 | 609,600 |
| | Class B | 240,000 | 239,831 | 339,577 | 350,995 | 570,856 |
| | Class C | 1,500,000 | 1,459,270 | 1,630,077 | 2,935,049 | 4,580,897 |
| | Class D | 142,774 | 51,505 | | | |
| | Class E - I | | | | | |

| b = Total Consumers | | 29,163 | 28,697 | 28,409 | 28,248 |

System Average Interruption Frequency Index (SAIFI) - 31 March 2006

| Class | 2008/11
(Target) | 2007
(Target) | 2006 | 2005 | 2004 | 2003 |
|---------------------------|----------------|----------------|------|------|------|------|
| SAIFI for total number of interruptions | Overall | | 1.3 | 1.0 | 1.6 | 1.1 |
| | Class A | 0.0 | 0.0 | 0.0 | | 0.1 |
| | Class B | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| | Class C | 1.2 | 1.2 | 1.0 | 0.9 | 0.9 |
| | Class D | | | 0.1 | 0.0 | 0.0 |
| | Class E - I | | | 0.0 | 0.0 | 0.0 |

| a = sum of electricity consumers affected by all interruptions |
|---------------------------|----------------|----------------|------|------|------|------|
| | Class A | 1,068 | 450 | 0 | 3,930 |
| | Class B | 3,600 | 2,640| 3,390| |
| | Class C | 29,000 | 24,700| 41,406| 25,988 |
| | Class D | 3,900 | 907 | | |
| | Class E - I | | | | |

| b = Total Consumers | | 29,163 | 28,697 | 28,409 | 28,248 |

Connection Average Interruption Duration Index (CAIDI) - 31 March 2006

| Class | 2008/11
(Target) | 2007
(Target) | 2006 | 2005 | 2004 | 2003 |
|---------------------------|----------------|----------------|------|------|------|------|
| CAIDI for total number of interruptions | Overall | | 63 | 80 | 72 | 184 |
| | Class A | 85 | 85 | 478 | 583 | 0 | 308 |
| | Class B | | | 67 | 129 | 89 | 168 |
| | Class C | 62 | 62 | 50 | 66 | 71 | 176 |
| | Class D | | | 37 | 57 | | |
| | Class E - I | | | 0 | 0 | 0 | 0 |



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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2006, No 140


Gazette.govt.nz PDF NZ Gazette 2006, No 140





✨ LLM interpretation of page content

🏭 Alpine Energy Limited Network Statistics for 2006 (continued from previous page)

🏭 Trade, Customs & Industry
Network Statistics, Electricity, Alpine Energy Limited, System Length, Transformer Capacity, Maximum Demand, Electricity Supply, Consumers, SAIDI, SAIFI, CAIDI