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New Zealand Gazette – 2000 – No. 146

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✨ Electricity Reliability Statistics

NEW ZEALAND GAZETTE

27 OCTOBER

3817

Reliability Performance Measures (Schedule 1, Part 5)

Para

CAIDI	Class	Average CAIDI Targets	CAIDI Targets	Actual CAIDI
		2001/05	2001	2000

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

| | | | 66 | 97 | 59 | 127 |

17, 18

CAIDI Targets (=a/b)
Planned Interruptions Class B
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

| Class B (Planned) | | 280 | 325 | | | |
| Class C (Unplanned) | | 30 | 26 | | | |

| | a | 3,896,000 | 4,597,000 |
| | b | 13,932 | 14,448 |

| Class C (Unplanned) | a | 1,625,000 | 1,702,000 |
| | b | 53,664 | 64,758 |

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

Interruption Class
Class A	86	0	0	0
Class B	106	124	97	144
Class C	71	85	61	123
Class D	5	0	14	52

CAIDI for total of interruptions

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

| | | 66 | 97 | 59 | 127 |

Interruption Class
Class A	39,732	0	0	0
Class B	1,136,102	3,263,380	4,671,102	3,582,469
Class C	4,346,118	4,753,391	5,011,809	10,583,239
Class D	54,126	0	587,179	41,340

Interruption Class
Class A	462	0	0	0
Class B	10,714	26,391	48,305	24,844
Class C	61,081	56,156	81,563	85,860
Class D	11,743	0	42,762	795

VUW Te Waharoa — NZ Gazette 2000, No 146

Gazette.govt.nz — NZ Gazette 2000, No 146

The Executive Wing of Parliament (depicted) is universally known as The Beehive. It was completed in 1977 and remains the primary office for the elected Government of the day.

✨ LLM interpretation of page content

🏭 Electricity System Reliability Performance Measures (continued from previous page)

Domain🏭 Trade, Customs & Industry
KeywordsEnergy, Electricity, Reliability, Performance Measures, Statistics, Interruptions, Faults

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