✨ Electricity Reliability Statistics




NEW ZEALAND GAZETTE

No. 146

Reliability Performance Measures (Schedule 1, Part 5)

Para SAIFI Class Average SAIFI Targets SAIFI Targets Actual SAIFI
2001/05 2001 2000

SAIFI

12

SAIFI for total number of interruptions (= a/b)

where -

a = sum of electricity consumers affected by each of those interruptions

b = Total consumers

SAIFI Targets (= a/b)

| Planned Interruptions | Class B | 0.34 | 0.55 |
| Unplanned Interruptions | Class C | 2.05 | 2.5 |

13, 14

where -
Planned Interruptions

a = projected number of electricity consumers affected by each of those interruptions

b = Projected total customers

Unplanned Interruptions

a = projected number of electricity consumers affected by each of those interruptions

| | Class B | 13,932 | 14,448 |
| | | 25,800 | 25,800 |
| | Class C | 53,664 | 64,758 |
| | | 25,800 | 25,800 |

15

SAIFI for total number of interruptions within each interruption class (= a/b)

Class
Class A
Class B
Class C / Class D

SAIFI for total of interruptions

| 3.55 | 4.16 | 8.72 | 5.61 |

where -

a = sum of electricity consumers affected by each of those interruptions within that interruption class

b = Total consumers

| Class A | 462 |
| Class B | 10,714 | 26,391 | 48,365 | 24,844 |
| Class C | 61,081 | 56,156 | 81,563 | 85,860 |
| Class D | 11,743 | ... | 42,762 | 795 |

Total consumers

| 23,694 | 19,843 | 19,797 | 19,875 |



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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2000, No 146


Gazette.govt.nz PDF NZ Gazette 2000, No 146





✨ LLM interpretation of page content

🏭 Electricity System Statistics (continued from previous page)

🏭 Trade, Customs & Industry
Energy, Electricity, Statistics, Interruptions, Faults, Performance Measures