New Zealand Gazette – 2002 – No. 117

Page 3155

✨ Electricity Reliability Statistics

23 AUGUST
NEW ZEALAND GAZETTE
3155

Reliability Performance Measures (Schedule 1, Part 5)

CAIDI	Class	Average CAIDI Targets	CAIDI Targets	Actual CAIDI
		2003/07	2003	2002	2001	2001	1999
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				68	238	66	97
CAIDI Targets (=a/b) Planned Interruptions	Class B	120	163
Unplanned Interruptions	Class C	76	87
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	1,033,049	1,261,946
		10,123	7,726
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	3,213,353	4,249,410
		57,622	48,933
CAIDI for total number of interruptions within each interruption class (= a/b)				#DIV/0!	11	86	#DIV/0!
	Class A			259	58	106	124
	Class B			49	179	71	85
	Class C			9	1,399	5	#DIV/0!
	Class D
CAIDI for total of interruptions				68	238	66	97
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			0	2,583	462	0
	Class B			1,939,160	626,231	1,136,102	3,263,360
	Class C			2,561,194	16,690,867	4,348,118	4,753,391
	Class D			48,870	9,727,476	54,128	0
	Class A			7,478	10,841	10,714	26,391
	Class B			56,178	93,310	61,081	56,156
	Class C			5,430	6,955	11,743	0
	Class I			0	0	0	0

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Domain🏗️ Infrastructure & Public Works
KeywordsElectricity, Reliability, Interruptions, Faults, Performance Measures, Statistics

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