✨ Reliability Performance Measures




22 MAY
NEW ZEALAND GAZETTE
1411

3.3 RELIABILITY PERFORMANCE MEASURES

For the 12 months ended 31 December 2001

Schedule 1 – PART 4

Unplanned Interruptions in Distribution Systems

a) The measure of unplanned interruptions (other than those directly resulting from unplanned interruptions of a transmission system) calculated by the formula a/b where:

a = the sum obtained by adding together the number of customer-hours lost during each interruption; and

b = the total number of customers being supplied by means of the system.

System Unplanned interruption measure (within distribution system) Jan01-Dec01 Apr00-Dec00
Alfriston - 0.3333
Ashhurst # 0.0078
Auckland Central 0.0013 0.0013
Bruce McLaren - -
Dannevirke # -
Drury 0.0167 -
Feilding # 0.0009
Foxton # -
Hastings # 0.0006
Hunua - -
Kakariki # -
Kairanga # -
Kingseat - -
Levin # 0.0007
Longburn # -
Mangatainoka # -
Oroua Downs # -
Pahiatua # -
Palmerston North # 0.0022
Pukekohe - -
Ramarama - -
Takapau - -
Tuakau - -
Waiuku - -
Wellington 0.0105 0.0053

On systems where the number of customers affected has been recorded, the duration of each interruption is not recorded and the local engineer has estimated the average length of the interruptions.
Data indicated by # has been amalgamated into the Wellington system.



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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2002, No 51


Gazette.govt.nz PDF NZ Gazette 2002, No 51





✨ LLM interpretation of page content

🏭 Energy Delivery Efficiency Performance Measures and Statistics (continued from previous page)

🏭 Trade, Customs & Industry
Energy Efficiency, Gas Systems, Performance Measures, Statistics, Gas Conveyance, Customer Counts, Reliability, Interruptions