New Zealand Gazette – 2002 – No. 122

Page 3276

✨ Energy Reliability Statistics

3276 NEW ZEALAND GAZETTE No. 122

3.4 RELIABILITY PERFORMANCE MEASURES

For the year ended 31 March 2002

Schedule 1 – PART 5

Interruptions	Target 2003	Target 2002	Actual 2001	Actual 2000	Actual 1999	Actual 1998
Total		2,229	2,258	2,258	2,421	1,683
1-3
Class A		2	1	5	1
Class B - planned	850	850	971	831	828	1,002
Class C - unplanned	1,100	1,200	1,234	1,421	1,077	1,402
Class D		18	6	19	12	5
Class E		3	-	-	-	-
Class F		1	-	-	-	-
Class G		-	-	-	-	-
Class H		-	-	-	-	-
Class I		-	-	-	-	-

Proportion of total class C interruptions not restored
a/b * 100 where
a = no. of interruptions not restored within
b = total number of Class C interruptions

Within 3 hrs
58.43%
721

Within 24 hrs
0.73%
9

b = 1,234

Faults	Ave Target 2003/07	Target 2003	2002	2001	2000	1999	1998
Faults per 100 circuit kms
110kV			9.50	10.00	8.79	10.47	13.32
66kV	5.00	5.00	6.00	3.99	6.25	1.47	4.87
50kV			-	-	-	-	-
33kV	8.00	8.00	8.40	10.91	6.96	5.49	8.03
22kV			-	-	-	-	-
11kV	9.00	9.00	9.71	10.38	9.05	11.14	14.19
6.6kV			-	-	-	-	-
3.3kV			-	-	-	-	-
230/400 V			-	-	-	-	-

Faults per 100 circuit kms (underground)	Target 2003	2002	2001	2000	1999	1998
110kV		-	-	-	-	-
66kV		-	-	-	-	-
50kV		-	-	-	-	-
33kV	2.67	5.70	4.66	2.72	-	2.18
22kV	4.38	5.01	5.76	4.95	-	6.78

| Faults per 100 circuit kms (overhead) | | 11.23 | 12.00 | 9.77 | 12.06| - | 14.58|
| 110kV | | | 6.00 | 3.99 | 6.25 | 3.47 | 4.87 |
| 66kV | | | - | - | - | - | - |
| 50kV | | | | | | | |
| 33kV | | 10.10 | 12.35 | 7.74 | 6.25 | - | 8.81 |
| 22kV | | - | - | - | - | - | - |
| 11kV | | 11.45 | 12.00 | 10.08 | 12.88 | - | 15.62|
| 6.6kV | | | - | - | - | - | - |
| 3.3kV | | | - | - | - | - | - |

VUW Te Waharoa — NZ Gazette 2002, No 122

Gazette.govt.nz — NZ Gazette 2002, No 122

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✨ LLM interpretation of page content

💰 Energy Delivery Efficiency Performance Measures and Statistics (continued from previous page)

Domain💰 Finance & Revenue
KeywordsEnergy delivery, Efficiency, Load factor, Loss ratio, Capacity utilisation, Statistics

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