New Zealand Gazette – 2003 – No. 102

Page 2717

✨ Electricity Network Performance Statistics



15 AUGUST

NEW ZEALAND GAZETTE

2717

Alpine Energy Limited (Lines)

Disclosure Prepared in Accordance with the Electricity (Information Disclosure) Regulations

Reliability and Performance Measures

System Average Interruption Duration Index (SAIDI) - 31 March 2003

Class 2004/08 (Target) 2004 (Target) 2003 2002 2001 2000
SAIDI for total number of interruptions Overall 77 82 204 81 113
Class A 7 7 22 0 0
SAIDI for total number of interruptions within each interruption class (= a/b) Class B 12 12 20 19 8
Class C 45 49 162 50 66
Class D 13 14 0 12 38
Class E - I 0 0 0 0 0

| | |
| a = sum of interruption duration factors for all interruptions within the particular interruption class | Class A | 200,000 | 200,000 | 609,600 | 9,805 | 0 | 226,440 |
| | Class B | 350,000 | 350,000 | 570,856 | 525,396 | 210,305 | 407,340 |
| | Class C | 1,300,000 | 1,400,000 | 4,580,897 | 1,411,304 | 1,881,474 | 882,758 |
| | Class D | 375,000 | 400,000 | 0 | 339,660 | 1,060,175 | 763,680 |
| | Class E - I | 0 | 0 | 0 | 0 | 0 | 0 |

b = Total Consumers | 28,800 | 28,500 | 28,248 | 28,376 | 27,806 | 27,829 |

System Average Interruption Frequency Index (SAIFI) - 31 March 2003

Class 2004/08 (Target) 2004 (Target) 2003 2002 2001 2000
SAIFI for total number of interruptions Overall 1.2 1.3 1.1 1.2 1.7
Class A 0.1 0.1 0.1 0.1 0.0
SAIFI for total number of interruptions within each interruption class (= a/b) Class B 0.1 0.1 0.1 0.2 0.1
Class C 0.9 1.0 0.9 0.8 1.3
Class D 0.1 0.1 0.0 0.0 0.3
Class E - I 0.0 0.0 0.0 0.0 0.0

| a = sum of electricity consumers affected by all interruptions | Class A | 4,000 | 4,000 | 1,977 | 3,922 | 0 | 629 |
| | Class B | 3,000 | 3,500 | 3,390 | 5,700 | 1,859 | 2,963 |
| | Class C | 26,500 | 27,500 | 25,988 | 23,455 | 36,765 | 18,252 |
| | Class D | 1,750 | 2,000 | 0 | 629 | 9,587 | 18,476 |
| | Class E - I | 0 | 0 | 0 | 0 | 0 | 0 |

b = Total Consumers | 28,800 | 28,500 | 28,248 | 28,376 | 27,806 | 27,829 |

Connection Average Interruption Duration Index (CAIDI) - 31 March 2003

Class 2004/08 (Target) 2004 (Target) 2003 2002 2001 2000
CAIDI for total number of interruptions Overall 63 64 184 68 65
Class A 50 50 308 3 0
CAIDI for total number of interruptions within each interruption class (= a/b) Class B 117 100 168 92 113
Class C 49 51 176 60 51
Class D 214 200 0 540 111
Class E - I 0 0 0 0 0


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2003, No 102


Gazette.govt.nz — PDF NZ Gazette 2003, No 102




✨ LLM interpretation of page content

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

🌾 Primary Industries & Resources
Electricity, Network Statistics, Alpine Energy Limited, SAIDI, SAIFI, CAIDI, Interruption Duration, Interruption Frequency, Performance Measures