New Zealand Gazette – 2006 – No. 158

Page 4621

✨ Electricity reliability performance measures



Reliability Performance Measures (Requirement 21)

SAIDI

Average SAIDI Targets Actual SAIDI
Class 2007/11 2007 2006

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

where -

a = sum of interruption duration factors for all interruptions

b = Total consumers

| | | | | 358.95 | 282.63 | 397.61 | 367.68 |

SAIDI Targets (=a/b)

| Planned Interruptions | Class B | 43 | 43 |
| Unplanned Interruptions | Class C | 242 | 242 |

where -

Planned Interruptions (pi)

a = sum of interruption duration factors for all interruptions

| Class B | 1,089,152 | 1,069,152 |

Unplanned Interruptions (ui)

a = sum of interruption duration factors for all interruptions

| Class C | 6,017,088 | 6,017,088 |

b = Projected total consumers

| | 24,864 | 24,864 |

SAIDI for total number of Interruptions within each interruption class (= a/b)

Class
Class A 5.53 0.00 3.17
Class B 27.50 31.00 38.05
Class C 321.80 249.98 295.24
Class D 1.22 1.69 18.75
Class E 0.00 0.00 0.00
Class F 0.00 0.00 0.00
Class G 0.00 0.00 1.11
Class H 2.90 0.00 0.00

SAIDI for total of Interruptions

| | | 358.95 | 282.53 | 356.31 | 367.66 |

where -

a = sum of interruption duration factors for all interruptions within the particular interruption class

b = Total consumers

Class
Class A 137,428 0 78,750
Class B 683,679 770,671 946,417
Class C 8,001,348 6,213,421 7,344,364
Class D 30,383 38,505 468,448
Class E 0 0 0
Class F 0 0 0
Class G 0 0 27,721
Class H 0 0 0
Class I 72,195 0 0

| b = Total consumers | 24,864 | 24,850 | 24,876 | 25,264 |



Next Page →



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