✨ Electricity Reliability Statistics




NEW ZEALAND GAZETTE

No. 80

Network Waitaki Limited (Lines)

Reliability and Performance Measures

System Average Interruption Duration Index (SAIDI)

Class 2002/06 (Target) 2002 (Target) 2001 2000 1999 1998
SAIDI for total number of interruptions Overall 65.00 65.00 72.16 46.13 63.28 87.41
SAIDI for total number of interruptions within each interruption class (= a/b) Class A 0.00 0.00 0.00 0.00
Class B 15.00 15.00 16.66 1.91 12.68 14.84
Class C 50.00 50.00 55.50 44.22 50.60 72.57
Class D-1 0.00 0.00 0.00 0.00

| a = sum of interruption duration factors for all interruptions within the particular interruption class | Class A | | | 0 | 0 | 0 | 0 |
| | Class B | 170,400 | 174,600 | 195,410 | 22,535 | 150,334 | 176,314 |
| | Class C | 568,000 | 582,000 | 650,735 | 521,028 | 599,914 | 862,204 |
| | Class D-1 | | | 0 | 0 | 0 | 0 |

| b = Total Connections | | | | 11,360 | 11,640 | 11,726 | 11,783 | 11,856 | 11,881 |

System Average Interruption Frequency Index (SAIFI)

Class 2002/06 (Target) 2002 (Target) 2001 2000 1999 1998
SAIFI for total number of interruptions Overall 0.95 0.95 0.99 0.83 1.33 1.45
SAIFI for total number of interruptions within each interruption class (= a/b) Class A 0.000 0.000 0.000 0.000
Class B 0.120 0.120 0.118 0.014 0.060 0.130
Class C 0.830 0.830 0.877 0.820 1.270 1.320
Class D-1 0.000 0.000 0.000 0.000

| a = sum of electricity connections affected by each of those interruptions | Class A | | | 0 | 0 | 0 | 0 |
| | Class B | 1,363 | 1,397 | 1,380 | 169 | 711 | 1,545 |
| | Class C | 9,429 | 9,661 | 10,279 | 9,663 | 15,057 | 15,663 |
| | Class D-1 | | | 0 | 0 | 0 | 0 |

| b = Total Connections | | | | 11,360 | 11,640 | 11,726 | 11,783 | 11,856 | 11,881 |

Connection Average Interruption Duration Index (CAIDI)

Class 2002/06 (Target) 2002 (Target) 2001 2000 1999 1998
CAIDI for total number of interruptions Overall 68.42 68.42 72.57 55.28 47.58 60.28
CAIDI for total number of Interruptions within each interruption class Class A 0.000 0.000 0.000 0.000
Class B 125.000 125.000 141.601 133.368 211.333 114.154
Class C 60.241 60.241 63.307 53.919 39.843 54.977
Class D-1 0.000 0.000 0.000 0.000

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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2001, No 80


Gazette.govt.nz PDF NZ Gazette 2001, No 80





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🏭 Financial Statements for Network Waitaki Limited (continued from previous page)

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Electricity, Financial Statements, Information Disclosure, Network Waitaki, Regulations