β¨ 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 —
NZ Gazette 2001, No 115
Gazette.govt.nz —
NZ Gazette 2001, No 115
β¨ LLM interpretation of page content
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Electricity System Reliability Statistics
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ποΈ Infrastructure & Public WorksElectricity, Interruptions, Faults, Performance Measures, Statistics