New Zealand Gazette – 1998 – No. 123

Page 2978

✨ Electricity Reliability Statistics

NEW ZEALAND GAZETTE

No. 123

PERFORMANCE MEASURES AND OTHER INFORMATION - PART IV

Regulation 16

Reliability Performance Measures to be Disclosed by Line

	1995	1996	1997	1998
1 TOTAL NUMBER OF INTERRUPTIONS:
Class A	1	0	2	1
Class B	78	37	40	53
Class C	350	511	450	164
Class D	10	7	2	4
Class E	0	0	0	0
Class F	0	0	0	0
Class G	0	0	0	0
Total	439	555	494	222

	1995	1996	1997	1998
2 TOTAL NUMBER OF FAULTS PER 100 CIRCUIT KM
Total	19	15	12	11
33kV	6	1	14	12
11kV	13	14	9	12
This breakdown is an estimate

	1995	1996	1997	1998
3 TOTAL NUMBER OF FAULTS PER 100 CIRCUIT KM OF UNDERGROUND
Total	4	20	22	3
33kV	0	0	0	0
11kV	4	20	9	3
This breakdown is an estimate

	1995	1996	1997	1998
4 TOTAL NUMBER OF FAULTS PER 100 CIRCUIT KM OF OVERHEAD
Total	16	19	14	12
33kV	3	2	14	12
11kV	13	17	9	12
This breakdown is an estimate

| 5 THE SAIDI FOR THE TOTAL NUMBER OF INTERRUPTIONS | 336 | 313 | 367 | 271 |

| 6 THE SAIDI FOR THE TOTAL NUMBER OF INTERRUPTIONS WITHIN EACH CLASS | | | | |
| Class A | 37 | 0 | 14 | 51 |
| Class B | 82 | 79 | 91 | 64 |
| Class C | 203 | 223 | 215 | 164 |
| Class D | 11 | 11 | 47 | 21 |
| Class E | 0 | 0 | 0 | 0 |
| Class F | 0 | 0 | 0 | 0 |
| Class G | 0 | 0 | 0 | 0 |

| 7 THE SAIFI FOR THE TOTAL NUMBER OF INTERRUPTIONS | 5.6 | 3.7 | 3.8 | 4.0 |

| 8 THE SAIFI FOR THE TOTAL NUMBER OF INTERRUPTIONS WITHIN EACH CLASS | | | | |
| Class A | 0.1 | 0.0 | 0.1 | 0.2 |
| Class B | 0.5 | 0.4 | 0.4 | 0.5 |
| Class C | 3.9 | 2.5 | 3.1 | 3.1 |
| Class D | 1.0 | 0.8 | 0.2 | 0.2 |
| Class E | 0 | 0 | 0 | 0 |
| Class F | 0 | 0 | 0 | 0 |
| Class G | 0 | 0 | 0 | 0 |

| 9 THE CAIDI FOR THE TOTAL OF ALL INTERRUPTIONS | 59 | 85 | 98 | 410 |

| 10 THE CAIDI FOR THE TOTAL OF ALL INTERRUPTIONS WITHIN EACH CLASS | | | | |
| Class A | 240 | 0 | 186 | 230 |
| Class B | 157 | 203 | 227 | 118 |
| Class C | 52 | 89 | 71 | 53 |
| Class D | 11 | 14 | 196 | 110 |
| Class E | 0 | 0 | 0 | 0 |
| Class F | 0 | 0 | 0 | 0 |
| Class G | 0 | 0 | 0 | 0 |

Note: As per Regulation 16(2)(b) Reliability Performance Measures for 1998 have been calculated excluding low voltage circuits and 11kV fuses supplying less than three customers.

PUBLISHED BY AUTHORITY OF DEPARTMENT OF INTERNAL AFFAIRS:
GP LEGISLATION SERVICES. WELLINGTON, NEW ZEALAND—1998

DEPARTMENT OF INTERNAL AFFAIRS
TE TARI TAIWHENUA

ISSN 0111-5650
Price $3.95 (inc. G.S.T.)
31507—98A

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VUW Te Waharoa — NZ Gazette 1998, No 123

NZLII — NZ Gazette 1998, No 123

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✨ LLM interpretation of page content

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

Domain🏭 Trade, Customs & Industry
KeywordsEnergy Efficiency, Electricity Statistics, Load Factor, Loss Ratio, Circuit Length, Transformer Capacity, Maximum Demand, Electricity Supply, Reliability, Interruptions, Faults, SAIDI, SAIFI, CAIDI

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