New Zealand Gazette – 2002 – No. 106

Page 2876

✨ Electricity Reliability Statistics



Network Waitaki Limited (Lines)

Reliability and Performance Measures

System Average Interruption Duration Index (SAIDI)*

Class 2003/07 (Target) 2003 (Target) 2002 2001 2000 1999
SAIDI for total number of interruptions Overall 80 80 78.1 72.2 46.1 63.3
SAIDI for total number of interruptions within each interruption class (= a/b) Class A - - 0.0 0.0 0.0 0.0
Class B 30 30 34.6 16.7 1.9 12.7
Class C 50 50 43.5 55.5 44.2 50.6
Class D - - 0.0 0.0 0.0 0.0
Class E - I - - 0.0 0.0 0.0 0.0

| | a = sum of interruption duration factors for all interruptions within the particular interruption class | Class A | - | - | 0 | 0 | 0 | 0 |
| | | Class B | 330,000 | 336,000 | 392,644 | 189,510 | 21,820 | 144,362 |
| | | Class C | 550,000 | 560,000 | 493,454 | 631,089 | 504,490 | 576,081 |
| | | Class D | - | - | 0 | 0 | 0 | 0 |
| | | Class E - I | - | - | 0 | 0 | 0 | 0 |

| b = Total Consumers | | 11,000 | 11,200 | 11,341 | 11,372 | 11,409 | 11,385 |

System Average Interruption Frequency Index (SAIFI)*

Class 2003/07 (Target) 2003 (Target) 2002 2001 2000 1999
SAIFI for total number of interruptions Overall 0.95 0.95 1.00 1.03 0.86 1.39
SAIFI for total number of interruptions within each interruption class (= a/b) Class A 0.00 0.00 0.00 0.00 0.00 0.00
Class B 0.12 0.12 0.20 0.12 0.01 0.06
Class C 0.83 0.83 0.80 0.90 0.85 1.32
Class D 0.00 0.00 0.00 0.00 0.00 0.00
Class E - I - - 0.00 0.00 0.00 0.00

| | a = sum of electricity consumers affected by all interruptions | Class A | 0 | 0 | 0 | 0 | 0 | 0 |
| | | Class B | 1,320 | 1,344 | 2,293 | 1,380 | 169 | 711 |
| | | Class C | 9,130 | 9,296 | 9,019 | 10,279 | 9,663 | 15,057 |
| | | Class D | 0 | 0 | 0 | 0 | 0 | 0 |
| | | Class E - I | - | - | 0 | 0 | 0 | 0 |

| b = Total Consumers | | 11,000 | 11,200 | 11,341 | 11,372 | 11,409 | 11,385 |

Connection Average Interruption Duration Index (CAIDI)*

Class 2003/07 (Target) 2003 (Target) 2002 2001 2000 1999
CAIDI for total number of interruptions Overall 84 84 78.33 70.38 53.53 45.69
CAIDI for total number of interruptions within each interruption class Class A 250 250 0.00 171.24 0.00 0.00
Class B 60 60 54.71 61.40 129.14 202.94
Class C 60 60 0.00 52.21 0.00 38.26
Class D - - 0.00 0.00 0.00 0.00
Classes E-I - - 0.00 0.00 0.00 0.00

*Comparative figures have been re-stated based on 'total consumers' rather than 'total connections' (which included de-energised connections).



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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2002, No 106


Gazette.govt.nz — PDF NZ Gazette 2002, No 106




✨ LLM interpretation of page content

💰 Financial Performance Measures for Network Waitaki Limited (continued from previous page)

💰 Finance & Revenue
Financial Performance, Efficiency Measures, Network Waitaki Limited, Electricity, Load Factor, Loss Ratio, Capacity Utilisation

🏗️ Reliability and Performance Measures for Network Waitaki Limited

🏗️ Infrastructure & Public Works
Electricity, Reliability, Performance, SAIDI, SAIFI, CAIDI, Interruptions, Network Waitaki Limited