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New Zealand Gazette – 1997 – No. 84

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✨ Electricity Reliability Statistics

NEW ZEALAND GAZETTE

No. 84

THE POWER COMPANY LIMITED

RELIABILITY PERFORMANCE MEASURES

(LINE BUSINESS)

PURSUANT TO REGULATION 16
ELECTRICITY (INFORMATION DISCLOSURE) REGULATIONS 1994

11.0 RELIABILITY STATISTICS REQUIRED FOR THE DISCLOSURE REGULATIONS

APRIL 1994 - MARCH 1995, APRIL 1995 - MARCH 1996, APRIL 1996 - MARCH 1997

	Connected Customers	Line 66kV	Line 33kV	Line 11kV	Line 400V	Cable 33kV	Cable 11kV	Cable 6.6kV	Cable 400V	Total	Density Cust/km
1994/95 Average	34182	239	467	6392	1013	0.75	39	0.59	95	8247	4.14
1995/96 Average	32941	239	468	6397	1012	0.75	41	0.59	96	8254	3.99
1996/97 Average	30589	246	462	6401	1013	0.75	42	0.59	98	8263	3.70

CLASS	B	C	Subtotal	D	Subtotal	TOTAL
Interruptions	287	336	623	1	1	624
SAIDI	35.6	125.4	161	0.4	0.4	161.4
SAIFI	0.372	2.099	2.471	0.15	0.15	2.621
CAIDI	96	60	65	3	3	62

| Interruptions | 384 | 428 | 812 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 812 |
| SAIDI | 65.6 | 300.6 | 366.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 366.2 |
| SAIFI | 0.52 | 3.475 | 3.995 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.995 |
| CAIDI | 176 | 86 | 95 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 95 |

| Interruptions | 439 | 483 | 922 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 925 |
| SAIDI | 65.7 | 418.4 | 484.1 | 0 | 8.2 | 8.2 | 0 | 0 | 0 | 0 | 0 | 492.3 |
| SAIFI | 0.532 | 5.081 | 5.613 | 0 | 1.002| 1.002 | 0 | 0 | 0 | 0 | 0 | 6.615 |
| CAIDI | 123.4 | 82.4 | 86.3 | 0 | 8.18| 8.18 | 0 | 0 | 0 | 0 | 0 | 74.4 |

Unplanned Faults by Voltage

	66kV	33kV	11kV	Total Lines and Cables
1994/95 OH per 100km	2.1	1.3	5	4.6
1994/95 UG per 100km	0	0	23.2	22.4
Total per 100km	2.1	1.3	5.1	4.1

| 1995/96 OH per 100km | 1.7 | 2.6 | 12.1 | 0 | 11.1 |
| 1995/96 UG per 100km | 0 | 0 | 14.3 | 0 | 14.1 |
| Total per 100km | 1.7 | 2.6 | 12.1 | 0 | 5.2 |

| 1996/97 OH per 100km | 0.4 | 2.1 | 13.1 | 0 | 11.9 |
| 1996/97 UG per 100km | 0 | 0 | 26.9 | 0 | 25.8 |
| Total per 100km | 0.4 | 2.1 | 13.17 | 0 | 12.13 |

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NZLII — NZ Gazette 1997, No 84

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✨ LLM interpretation of page content

🏭 Energy Efficiency Performance Measures and Statistics by The Power Company Limited (continued from previous page)

Domain🏭 Trade, Customs & Industry
KeywordsElectricity, Energy Efficiency, Performance Measures, Statistics, Transmission System, Line Business

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