❓ A parliamentary question seeks a breakdown of Western Power's asset value by type (poles, cables, substations, transformers) and the proportion of each asset category exceeding its estimated useful life of 50 years. The answer provides a breakdown of asset values and percentages exceeding the 50-year lifespan.
AnsweredQoN 332Legislative Council
QuestionView source ↗
I refer to the 2021 annual report of Western Power, which on page 74 has plant and equipment listed at a capital value of $10.72 billion as at 30 June 2021, and I ask: (a) how much of the $10.72 billion is represented by: (i) poles; (ii) cables; (iii) substations; and (iv) transformers; and (b) given that page 72 of the report states that the estimated useful life of "substations, transformers, poles and cables" is 45 to 50 years, what proportion of each of those categories is over 50 years old?
AnswerView source ↗
Answered
16 November 2021
Responded by
Minister for Regional Development representing the Minister for Energy
Response time
11 days
(a) - (b)
(i) – (ii) Poles & cables: $8.313 billion; approximately 15% of poles and 20% of conductor/cable assets are greater than 50 years.
(iii) Substations: $1.550 billion; approximately 5% of assets greater than 50 years.
(iv) Transformers: $222 million; approximately 1.4% for distribution transformers and approximately 17% for transmission transformer assets are greater than 50 years.
(i) – (ii) Poles & cables: $8.313 billion; approximately 15% of poles and 20% of conductor/cable assets are greater than 50 years.
(iii) Substations: $1.550 billion; approximately 5% of assets greater than 50 years.
(iv) Transformers: $222 million; approximately 1.4% for distribution transformers and approximately 17% for transmission transformer assets are greater than 50 years.
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