New Zealand Gazette – 2006 – No. 158

Page 4622

✨ Electricity Reliability Performance Measures



Reliability Performance Measures (Requirement 21)

SAIFI

Average SAIFI Targets SAIFI Targets Actual SAIFI
2006/11 2007 2008 2005

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

where -

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

b = Total consumers

| | | | 2.65 | 2.13 | 2.82 | 2.73 |

SAIFI Targets (a/b)

Planned Interruptions

Class
Class B 0.30 0.30
Class C 1.70 1.70

where -

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

b = Projected total customers

Unplanned Interruptions

7,459 7,459
Class C 24,854 24,864
42,269 42,269
Class C 24,854 24,864

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

Class
Class A 0.02 0.00 0.02 0.07
Class B 0.15 0.19 0.20 0.39
Class C 2.46 1.92 1.75 2.54
Class D 0.02 0.02 0.84 0.21
Class E 0.00 0.00 0.00 0.00
Class F 0.00 0.00 0.00 0.00
Class G 0.00 0.00 0.00 0.00
Class H 0.00 0.00 0.00 0.00
Class I 0.00 0.00 0.00 0.00

SAIFI for total of interruptions

| | 2.65 | 2.13 | 2.82 | 4.39 |

where -

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

b = Total consumers

Class 2008 2007 2006 2005 2004 2003
Class A 383 70 375 1,883
Class B 3,863 4,723 3,750 5,026 9,765
Class C 61,095 47,724 43,485 64,049
Class D 615 497 20,791 5,000
Class E 0 0 0 0 0
Class F 0 0 0 0 0
Class G 0 0 180 0 0
Class H 0 0 0 0 0
Class I

| | 24,864 | 24,856 | 24,876 | 20,682 | 25,264 |



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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2006, No 158


Gazette.govt.nz — PDF NZ Gazette 2006, No 158




✨ LLM interpretation of page content

🏭 Reliability Performance Measures for Eastland Network Limited (continued from previous page)

🏭 Trade, Customs & Industry
Interruptions, Faults, Performance targets, Electricity delivery, Efficiency