New Zealand Gazette – 1999 – No. 120

Page 2862

✨ Electricity Reliability Statistics

2862 NEW ZEALAND GAZETTE No. 120

Reliability Performance Measures for the Year Ended 31 March 1998

Consumer Connections	Line 33kV	Line 11kV	Line 6.6kV	Cable 33kV	Cable 11kV	Cable 6.6kV	Total	Density Con/km
At start of period	49,891	149.9	236.6	488.9	75.2	20.7	230.6	1,202
At end of period	49,917	149.9	236.6	491.2	75.2	20.9	230.9	1,205
Average	49,904	149.9	236.6	490.1	75.2	20.8	230.7	1,203
Totals			876.6			326.7		1,203

Reliability Measure

	SAIDI		SAIFI		CAIDI	No of Interruptions	Class
	Cons Mins	Mins/Cons	Cons Int	Int/Cons	Mins/Int
Distributor Planned	232,472	4.66	2,945	0.06	78.90	113	B
Distributor Unplanned	1,623,300	32.53	48,436	0.97	33.50	131	C
Subtotal	1,855,772	37.19	51,381	1.03	36.10	244
Transpower Planned	-	-	-	-	-		A
Transpower Unplanned	-	-	-	-	-		D
Subtotal	-	-	-	-	-
ECNZ Planned	-	-	-	-	-		G
ECNZ Unplanned	-	-	-	-	-		E
Subtotal	-	-	-	-	-
Other Gen Planned	-	-	-	-	-		F
Other Gen Unplanned	-	-	-	-	-
Other Than Above	-	-	-	-	-
Subtotal	-	-	-	-	-
TOTAL	1,855,772	37.19	51,381	1.03	36.10	244

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	51	236.6	21.6	3	20.8	14.4
6.6kV	52	490.1	10.6	8	230.7	3.5
TOTAL	113	876.6	12.9	12	326.7	3.7

Total Lines and Cables

Total Faults	Total Length in km	Faults per 100 km
125	1,203	10.4

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VUW Te Waharoa — NZ Gazette 1999, No 120

NZLII — NZ Gazette 1999, No 120

The General Assembly Library (on the right) was completed in 1899 and survived the 1907 fire. Now the oldest remaining original Parliament building, still used as the Parliamentary Library.

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

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

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