✨ Electricity Reliability Performance
NEW ZEALAND GAZETTE
22 AUGUST
2369
TRUSTPOWER LIMITED AND SUBSIDIARIES
INFORMATION DISCLOSURE LINE OWNERS
FOR THE YEAR ENDED 31 MARCH 1997
REG # 1ST
SCH
16(1)
Part IV
Reliability Performance Measures:
- Total Number of Interruptions
| 1997 | 1996 | 1995 | |
|---|---|---|---|
| Class B | 253 | 187 | 247 |
| Class C | 314 | 265 | 144 |
| Class D | 10 | 8 | 0 |
| Class G | 1 | 0 | 0 |
| All Other Classes | 0 | 0 | 0 |
| Total | 578 | 460 | 391 |
-
Total number of faults per 100 Km of prescribed voltage electric Line ... 7.94
1996: 7.48
1995: 21.75
-
Total number of faults per 100 Km of underground prescribed voltage electric line by nominal line voltage.
| 1997 | 1996 | 1995 | |
|---|---|---|---|
| Total | 1.54 | 7.7 | 3.15 |
| 33Kv | 0 | 0 | 0 |
| 11Kv | 1.57 | 7.88 | 3.16 |
- Total number of faults per 100 Km of overhead prescribed voltage electric line by nominal line voltage.
| 1997 | 1996 | 1995 | |
|---|---|---|---|
| Total | 8.90 | 6.9 | 25.84 |
| 33Kv | 7.75 | 2.34 | 12.68 |
| 11Kv | 9.01 | 7.16 | 8.67 |
-
SAIDI for total number of interruptions ... 253
1996: 192.94
1995: 302.71
-
SAIDI for total number of interruptions within each interruption class.
| 1997 | 1996 | 1995 | |
|---|---|---|---|
| Class B | 29 | 36.87 | 136.87 |
| Class C | 176 | 138.83 | 165.84 |
| Class D | 48 | 17.24 | 0 |
| Class G | 0 | 0 | 0 |
-
SAIFI for total number of interruptions ... 4.88
1996: 3.015
1995: 3.34
-
SAIFI for total number of interruptions within each interruption class.
| 1997 | 1996 | 1995 | |
|---|---|---|---|
| Class B | 0.18 | 0.212 | 0.76 |
| Class C | 3.91 | 2.42 | 2.58 |
| Class D | 0.8 | 0.38 | 0 |
| Class G | 0 | 0 | 0 |
-
CAIDI for total of all interruptions ... 52
1996: 63.98
1995: 90.67
-
CAIDI for total of all interruptions within each interruption class.
| 1997 | 1996 | 1995 | |
|---|---|---|---|
| Class B | 164 | 173.89 | 180.61 |
| Class C | 45 | 57.36 | 64.26 |
| Class D | 60 | 45.02 | 0 |
| Class G | 191 | 0 | 0 |
Note: SAIDI, SAIFI measures for Class G are less than 0.
PUBLISHED BY AUTHORITY OF DEPARTMENT OF INTERNAL AFFAIRS;
OP LEGISLATION SERVICES, NEW ZEALAND—1997
DEPARTMENT OF INTERNAL AFFAIRS
TE TARI TAIWHENUA
ISSN 0111-5650 Price $3.95 (incl. G.S.T.)
87393—97A
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NZ Gazette 1997, No 100
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NZ Gazette 1997, No 100
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TrustPower Limited Reliability Performance Measures
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🏭 Trade, Customs & Industry1 August 1997
Reliability, Performance, Interruptions, Faults, SAIDI, SAIFI, CAIDI, Electricity, Class B, Class C, Class D, Class G