The parliamentary question seeks specific details on the maintenance levels required for various asset categories within the Western Power network. The answer provides a general overview of Western Power's risk-based investment approach and refers to publicly available reports for more detailed information.

AnsweredQoN 4707Legislative Assembly
Asked
10 November 2015
Portfolio
Energy

QuestionView source ↗

What is the current level of maintenance required for each of the following asset categories in the Western Power network: (a) wooden power poles; (b) metal and concrete power poles; (c) high-voltage transmissions lines; (d) step-down transformers; (e) sub-stations; and (f) other infrastructure?

AnswerView source ↗

Answered
16 February 2016
Responded by
Minister for Energy
Response time
98 days
(a)-(f) Western Power applies a risk-based investment methodology to ensure expenditure is targeted to improve public safety and optimise system reliability.
Flexible adjustments in Western Power's annual program of works ensure the greatest risk reduction is achieved for every dollar invested in the network. The State Budget details Western Power’s investment profile over the forward estimates.
Western Power's annual State of the Infrastructure Report provides a snapshot of the age profile, condition and risk of key Network assets classes, with a comparison of the same data from previous years, where available. The report is publicly available on Western Power’s corporate website.

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