New Zealand Gazette – 2005 – No. 24

Page 588

✨ Electricity Interruption Statistics



NEW ZEALAND GAZETTE, No. 24

21 JANUARY 2005

SAIFI

SAIFI Average Actual SAIFI
SAIFI Targets SAIFI Targets
2005/09 2005 2004
SAIFI for total number of
interruptions (= a/b) 2.72 2.64

Where -

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

b = Total consumers

SAIFI (Targets (=a/b))
Planned Interruptions Class B
Unplanned Interruptions Class C

Where-

Planned Interruptions (pi): Class B

a³⁴ = projected number of electricity consumers affected by each of those interruptions

| 1,091 | 900 |

Unplanned Interruptions (ui): Class C

a³⁴ = projected number of electricity consumers affected by each of those interruptions

| 81,112 | 75,969 |

b = Projected total consumers

| 36,373 | 33,764 |

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

Class 2005/09 2005 2004 2003 2002 2001
A 0 θ θ 0 0 0
B 0.03 0.09 0.10 0.47
C 2.69 2.55 2.10 2.17
D 0 θ θ 0 0 0
E 0 θ θ 0 0
F 0 θ θ 0 0
G 0 θ θ 0 0
H 0 θ θ 0
I 0 θ θ 0

where -

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

Class 2005/09 2005 2004 2003 2002 2001
A 0 θ θ 0 0 0
B 983 2,809 3,081 14,357
C 88,181 79,596 64,715 66,285
D 0 θ θ 0 0 0
E 0 θ θ 0 0
F 0 θ θ 0 0
G 0 θ θ 0
H 0 θ θ 0
I 0 3 3 0

b = Total consumers

| 32,781 | 31,214 | 30,817 | 30,546 |



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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2005, No 24


Gazette.govt.nz — PDF NZ Gazette 2005, No 24




✨ LLM interpretation of page content

🌾 Faults per 100 circuit kilometres of overhead prescribed voltage electric line (continued from previous page)

🌾 Primary Industries & Resources
Electricity Faults, Overhead, Voltage, Statistics