β¨ Electricity Reliability Performance
NEW ZEALAND GAZETTE
26 JULY 1987
WAIPA NETWORKS LIMITED - LINES BUSINESS
| 2000 | 1999 | 1998 | 1997 |
|---|
Disclosure of reliability performance measures under regulation 22 of the Electricity (Information Disclosure) Regulations 1999 as amended by the Electricity (Information Disclosure) Amendment Regulations 2000.
1 Total number of interruptions
- Class A - Planned - by Transpower: 0 | 0 | 0 | 0
- Class B - Planned - by Line Owners: 223 | 217 | 249 | 234
- Class C - Unplanned - by Line Owners: 107 | 149 | 117 | 156
- Class D - Unplanned - by Transpower: 2 | 0 | 1 | 2
- Class E - Unplanned - by ECNZ: 0 | 0 | 0 | 0
- Class F - Unplanned - by other generation: 0 | 0 | 0 | 0
- Class G - Any other loss of supply: 0 | 0 | 0 | 0
Total: 332 | 366 | 367 | 392
2 Interruption targets for 2000 / 2001
- Class B - Planned - by Line Owners: 200
- Class C - Unplanned - by Line Owners: 100
3 Average interruption targets for 2000 / 2001 to 2004 / 2005 years
- Class B - Planned - by Line Owners: 160
- Class C - Unplanned - by Line Owners: 86
4 *Proportion of Class C interruptions not restored within: (=(a/b)100)**
-
3 Hours
- a = number of interruptions restored within 3: 19 (2000), 25 (1999)
- b = Total number of Class C interruptions: 107 (2000), 149 (1999)
- Proportion: 18% (2000), 17% (1999)
-
24 Hours
- a = number of interruptions restored within 24: 0 (2000), 0 (1999)
- b = Total number of Class C interruptions: 107 (2000), 149 (1999)
- Proportion: 0% (2000), 0% (1999)
5 (a) The total number of faults per 100 circuit kilometres of prescribed voltage electric line
- 11kV: 7.91 (2000), 11.07 (1999), 8.77 (1998), 11.73 (1997)
(b) Target for 2000 / 2001 year
- 11kV: 7.39
(c) Average Target for 2000 / 2001 to 2004 / 2005 years
- 11kV: 6.36
6 The total number of faults per 100 circuit kilometres of underground prescribed voltage electric line
- 11kV: 2.27 (2000), 0.00 (1999), 0.00 (1998), 0.00 (1997)
7 The total number of faults per 100 circuit kilometres of overhead prescribed voltage electric line
- 11kV: 8.10 (2000), 11.43 (1999), 9.05 (1998), 12.08 (1997)
8 The SAIDI for the total number of interruption
- SAIDI: 300.44 (2000), 242.23 (1999), 255.21 (1998), 353.09 (1997)
9 SAIDI targets for 2000 / 2001
- Class B - Planned - by Line Owners: 64.00
- Class C - Unplanned - by Line Owners: 132.00
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Online Sources for this page:
VUW Te Waharoa —
NZ Gazette 2000, No 83
Gazette.govt.nz —
NZ Gazette 2000, No 83
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