New Zealand Gazette – 2001 – No. 93

Page 2403

✨ Electricity Network Statistics



ALPINE ENERGY LIMITED (LINES)

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

Reliability and Performance Measures - System Average Interruption Duration Index (SAIDI)

SAIDI for total number of interruptions Class 2002/06 (Target) 2002 (Target) 2001 2000 1999 1998
Overall 84 98 113.36 81.94 106 150
Class A 6 8 0.00 8.14 23 19
Class B 13 15 7.56 14.64 10 23
Class C 50 55 67.66 31.72 57 40
Class D 15 20 38.13 27.45 16 68
Class E - - 0.00 0.00 0 0

| a = sum of interruption duration factors for all interruptions within the particular interruption class | Class A | 167,400 | 223,200 | 0 | 226,440 | 633,360 | 520,000 |
| | Class B | 362,700 | 418,500 | 210,305 | 407,340 | 265,267 | 635,000 |
| | Class C | 1,395,000 | 1,534,500 | 1,881,474 | 882,758 | 1,589,765 | 1,090,000 |
| | Class D | 418,500 | 558,000 | 1,060,175 | 763,880 | 447,629 | 1,860,000 |
| | Class E | - | - | 0 | 0 | 0 | 0 |

| b = Total Connections | | 27,900 | 27,900 | 27,806 | 27,829 | 27,486 | 27,317 |

Reliability and Performance Measures - System Average Interruption Frequency Index (SAIFI)

SAIFI for total number of interruptions Class 2002/06 (Target) 2002 (Target) 2001 2000 1999 1998
Overall 1.24 1.35 1.73 1.45 2.44 2.67
Class A 0.02 0.02 0.00 0.02 0.11 0.08
Class B 0.09 0.10 0.07 0.11 0.06 0.25
Class C 1.00 1.10 1.32 0.66 1.17 0.76
Class D 0.13 0.13 0.34 0.66 1.10 1.58
Class E - - 0.00 0.00 0.00 0.00

| a = sum of electricity connections affected by each of those interruptions | Class A | 558 | 558 | 0 | 629 | 3,016 | 2,275 |
| | Class B | 2,511 | 2,790 | 1,859 | 2,963 | 1,598 | 6,700 |
| | Class C | 27,900 | 30,690 | 36,765| 18,252| 32,346 | 20,761 |
| | Class D | 3,627 | 3,627 | 9,587 | 18,476| 30,235 | 43,161 |
| | Class E | - | - | 0 | 0 | 0 | 0 |

| b = Total connections | | 27,900 | 27,900 | 27,806| 27,829| 27,486 | 27,317 |

Reliability and Performance Measures - Connection Average Interruption Duration Index (CAIDI)

CAIDI for total number of interruptions Class 2002/06 (Target) 2002 (Target) 2001 2000 1999 1998
Overall 67.74 72.59 65.38 56.56 43 56
Class A 300 400 0.00 360.00 210 229
Class B 144 150 113.13 137.48 166 95
Class C 50 50 51.18 48.37 48 53
Class D 115 154 110.58 41.34 15 43
Class E - - 0.00 0.00 0 0


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2001, No 93


Gazette.govt.nz — PDF NZ Gazette 2001, No 93




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

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Electricity, Network Statistics, Alpine Energy, Interruptions, Faults, Reliability, Performance Measures