New Zealand Gazette – 1999 – No. 120

Page 2860

✨ Reliability Performance Measures

NEW ZEALAND GAZETTE

No. 120

RELIABILITY PERFORMANCE MEASURES (REGULATION 22)

Reliability Performance Measures for the Year Ended 31 March 1999

	Consumer Connections	Line 33kV	Line 11kV	Line 6.6kV	Cable 33kV	Cable 11kV	Cable 6.6kV	Total	Density Con/km
At start of period	49,917	149.9	236.6	491.2	75.2	20.9	230.9	1,205	41.4
At end of period	50,200	149.9	236.7	491.9	75.2	21.1	231.6	1,206	41.6
Average	50,059	149.9	236.7	491.5	75.2	21.0	231.2	1,206	41.5
Totals		878.1

Reliability Measure

Reliability Measure	SAIDI Cons Mins	SAIDI Mins/Cons	SAIFI Cons Int	SAIFI Int/Cons	CAIDI Mins/Int	No of Interruptions	Class
Distributor Planned	136,119	2.72	1,731	0.33	78.60	93	B
Distributor Unplanned	2,412,772	48.20	52,829	1.06	45.7	129	C
Subtotal	2,548,891	50.92	54,560	1.09	46.7	222
Transpower Planned	-	-	-	-	-	-	A
Transpower Unplanned	-	-	-	-	-	-	D
Subtotal	-	-	-	-	-	-
Generator Unplanned	-	-	-	-	-	-	F
Embedded Unplanned	-	-	-	-	-	-	E
Subtotal	-	-	-	-	-	-
Other Line Owner Planned	-	-	-	-	-	-	H
Other Line Owner Unplanned	-	-	-	-	-	-
Other Than Above	-	-	-	-	-	-	G
Subtotal	-	-	-	-	-	-	I
TOTAL	2,548,891	50.92	54,560	1.09	46.7	222

Faults by Voltage

Faults by Voltage	OH Faults	OH Length km	OH per 100 km	Cable Faults	UG Length km	UG per 100 km
33kV	10	149.9	6.7	1	75.2	1.3
11kV	30	236.7	21.7	2	21.0	9.5
6.6kV	44	491.5	9.0	7	231.2	3.0
TOTAL	84	878.1	9.6	10	327.4	3.1

	Total Faults	Total Length in km	Faults per 100 km
Total Lines and Cables	94	1,205.5	7.8

No of unplanned interruptions not restored within 3 hours ... 23

No of unplanned interruptions not restored within 24 hours ... nil

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VUW Te Waharoa — NZ Gazette 1999, No 120

NZLII — NZ Gazette 1999, No 120

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

💰 Reliability Performance Measures for Electricity (continued from previous page)

Domain💰 Finance & Revenue
KeywordsReliability Measures, Statistics, Electricity, Regulation 22

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