β¨ Electricity Performance Measures
5 OCTOBER
NEW ZEALAND GAZETTE
Reliability Performance Measures
(Electricity (Information Disclosure) Regulations 1994 First Schedule Part IV)
(a) Number of Interruptions by Class
| Class | Description | 1997/98 Interruptions | 1996/97 Interruptions | 1995/96 Interruptions | 1994/95 Interruptions |
|---|---|---|---|---|---|
| A | Transpower Planned | 0 | 0 | 1 | 0 |
| B | ME Ltd Planned | 154 | 109 | 132 | 68 |
| C | ME Ltd Unplanned | 155 | 157 | 180 | 308 |
| D | Transpower Unplanned | 2 | 3 | 2 | 5 |
| E | ECNZ Unplanned | 0 | 0 | 0 | 0 |
| F | Other Generation | 0 | 0 | 0 | 0 |
| G | Unplanned Other | 0 | 0 | 0 | 0 |
| Total | 312 | 269 | 315 | 381 |
(b) The Total Number of Faults Per 100km of Line Over 3.3kV
| 1997/98 | 1996/97 | 1995/1996 | 1994/95 | |
|---|---|---|---|---|
| Faults | 6.62 Faults per 100km | 7.11 Faults per 100km | 8.2 Faults per 100 km | 14.2 Faults per 100 km |
| Prescribed Line | 2,328 | 2,194 | 2,219.515 | 2,203.244 |
(c) The Total Number of Faults Per 100km of Underground Cable Over 3.3kV
| 1997/98 | 1996/97 | 1995/96 | 1994/95 | |
|---|---|---|---|---|
| Faults | kM of Cable | Faults per 100kM | Faults | |
| 33kV | 0 | 2.0 | 0 | 6 |
| 11kV | 1 | 64.0 | 1.56 | 4 |
| Total | 1 | 66.0 | 1.52 | 4 |
(d) The Total Number of Faults Per 100km of Overhead Line Over 3.3kV
| 1997/98 | 1996/97 | 1995/96 | 1994/95 | |
|---|---|---|---|---|
| Faults | kM of Cable | Faults per 100kM | Faults | |
| 33kV | 4 | 257 | 1.56 | 5 |
| 11kV | 47 | 2,014 | 2.33 | 149 |
| 6.6kV | 3 | 51 | 4.69 | 2 |
| Total | 154 | 2,322 | 6.32 | 156 |
(e) The SAIDI For the Total Interruptions
(SAIDI = System Average Interruption Duration Index)
| 1997/98 | 1996/97 | 1995/96 | 1994/95 |
|---|---|---|---|
| 160 Customer/Minutes | 190 Customer/Minutes | 226 Customer/Minutes | 258 Customer/Minutes |
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VUW Te Waharoa —
NZ Gazette 1998, No 168
NZLII —
NZ Gazette 1998, No 168
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Marlborough Electric Limited Performance Measures
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