New Zealand Gazette – 2001 – No. 115

Page 2995

✨ Electricity Reliability Statistics



Reliability Performance Measures (Schedule 1, Part 5)

Para

Average SAIFI SAIFI Targets Actual SAIFI
Class 2002/06 2002 2001

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

| | | | 4.39 | 3.55 | 4.16 | 4.21 | 8.72 |

13, 14
SAIFI Targets (=a/b)
Planned Interruptions

| | Class B | 0.39 | 0.24 | | | | |

Unplanned Interruptions

| | Class C | 2.15 | 2.15 | | | | |

where -
Planned Interruptions

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

b = Projected total customers

| | Class B | 9,778 | 11,300 | | | | |

| | | 25,800 | 25,800 | | | | |

Unplanned Interruptions

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

b = Projected total customers

| | Class C | 55,418 | 63,958 | | | | |

| | | 25,800 | 25,800 | | | | |

15
SAIFI for total number of interruptions within each interruption class (= a/b)

Class A 0.11 0.02 0.00 0.00
Class B 0.42 0.45 1.33 2.44
Class C 3.59 2.58 2.83 4.12
Class D 0.27 0.50 0.00 2.16

SAIFI for total of interruptions

| | | | 4.39 | 3.55 | 4.16 | 8.72 |

where -

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

b = Total consumers

Class A 2,859 462
Class B 10,841 10,714 26,391 48,305
Class C 93,310 61,081 56,156 81,563
Class D 6,955 11,743 42,762

b = Total consumers

| | | 25,980 | 23,694 | 19,843| 19,797|



Next Page →



Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2001, No 115


Gazette.govt.nz — PDF NZ Gazette 2001, No 115




✨ LLM interpretation of page content

🏗️ Electricity System Reliability Statistics (continued from previous page)

🏗️ Infrastructure & Public Works
Electricity, Interruptions, Faults, Performance Measures, Statistics