New Zealand Gazette – 2008 – No. 47

Page 1359

✨ Energy network statistics

ALPINE ENERGY LIMITED LINES BUSINESS

Reliability and Performance Measures

System Average Interruption Duration Index (SAIDI) - 31 March 2007

Class	2009/12 (Target)	2008 (Target)	2007	2006	2005	2004
SAIDI for total number of interruptions			1.38	81	80	116
Class A	15	15	14	17	9	0
Class B	15	15	70	8	12	12
Class C	66	66	987	50	57	103
Class D			67	5	2	0
Class E - I			0	0	0	0

| | | | | | | |
| a = sum of interruption duration factors for all interruptions within the particular interruption class | | | | | | |
| Class A | 240,000 | 240,000 | 401,940| 510,026| 262,560| 0 |
| Class B | 1,500,000 | 1,500,000 | 2,042,373| 239,831| 339,577| 350,995|
| Class C | | | 28,996,163| 1,459,270| 1,630,077| 2,935,049|
| Class D | | | 1,970,319| 142,774| 51,508 | 0 |
| Class E - I | | | 0 | 0 | 0 | 0 |
| b = Total Consumers | | | 29,367 | 29,163| 28,697| 28,409|

System Average Interruption Frequency Index (SAIFI) - 31 March 2007

Class	2009/12 (Target)	2008 (Target)	2007	2006	2005	2004
SAIFI for total number of interruptions			2.5	1.3	1.0	1.6
Class A	0.1	0.1	0.0	0.0	0.0	0.0
Class B	0.1	0.1	0.3	0.1	0.1	0.1
Class C	1.2	1.2	1.5	1.0	0.9	1.5
Class D			0.7	0.1	0.0	0.0
Class E - I			0.0	0.0	0.0	0.0

| | | | | | | |
| a = sum of electricity consumers affected by all interruptions | | | | | | |
| Class A | | | 470 | 1,068| 450 | 0 |
| Class B | | | 7,800| 3,600| 2,640| 3,930|
| Class C | | | 45,000| 29,000| 24,700| 41,406|
| Class D | | | 19,200| 3,900| 907 | 0 |
| Class E - I | | | 0 | 0 | 0 | 0 |
| b = Total Consumers | | | 29,367| 29,163| 28,697| 28,409|

Connection Average Interruption Duration Index (CAIDI) - 31 March 2007

Class	2009/12 (Target)	2008 (Target)	2007	2006	2005	2004
CAIDI for total number of interruptions			461	63	80	72
Class A	85	85	855	478	583	0
Class B	262	262	262	67	129	89
Class C	62	62	644	50	66	71
Class D			103	37	57	0
Class E - I			0	0	0	0

VUW Te Waharoa — NZ Gazette 2008, No 47

Gazette.govt.nz — NZ Gazette 2008, No 47

Parliament House (depicted) was completed in 1918 and remains the primary seat of Parliament.

✨ LLM interpretation of page content

🏭 Alpine Energy Limited Lines Business Network Statistics (continued from previous page)

Domain🏭 Trade, Customs & Industry
KeywordsEnergy network, Statistics, System length, Circuit length, Transformer capacity, Electricity supply, Consumers, Reliability, Performance measures, SAIDI, SAIFI, CAIDI

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