✨ Electricity Reliability Statistics




Reliability Performance Measures (Schedule 1, Part 5)

Para

CAIDI Average
Class CAIDI Targets CAIDI Targets Actual CAIDI
2002/03 2002 2001 2000 1999 1998

16

CAIDI for total number of interruptions (= a/b)

where:

  • a = sum of interruption duration factors for all interruptions
  • b = sum of electricity consumers affected by each of those interruptions

17, 18

CAIDI Targets (= a/b) Planned interruptions
Class B 120
Unplanned interruptions Class C

where:

  • Planned Interruptions
    • a = sum of interruption duration factors for all interruptions
    • b = projected number of electricity consumers affected by each of those interruptions

| | | 1,148,616 | 1,467,504 |
| | | 9,778 | 11,306 |

  • Unplanned Interruptions
    • a = sum of interruption duration factors for all interruptions
    • b = projected number of electricity consumers affected by each of those interruptions

| | Class C | 4,621,644 | 7,562,754 |
| | | 55,448 | 63,958 |

19

CAIDI for total number of interruptions within each interruption class (= a/b)

Class
Class A 11
Class B 58
Class C 179
Class D 1,399

CAIDI for total of interruptions

| | | 238 | 66 | 97 | 59 |

where:

  • a = sum of interruption duration factors for all interruptions
  • b = sum of electricity consumers affected by each of those interruptions within that interruption class

| Class A | 32,852 | 39,732 | 0 | 0 |
| Class B | 826,231 | 1,136,102 | 3,263,380 | 4,671,102 |
| Class C | 16,690,887 | 4,346,118 | 4,753,391 | 5,011,809 |
| Class D | 9,727,476 | 54,126 | - | 587,179 |

Class A 2,859
Class B 10,841
Class C 93,310
Class D 6,955


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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2001, No 115


Gazette.govt.nz PDF NZ Gazette 2001, No 115





✨ LLM interpretation of page content

πŸ—οΈ Electricity System Reliability Statistics (continued from previous page)

πŸ—οΈ Infrastructure & Public Works
Electricity, Interruptions, Faults, Performance Measures, Statistics