A Western Australian parliamentary question seeks information regarding the Southern Water Desalination plant's cost, lifespan, electricity pricing, and renewable energy claims. The answers provide some details but leave some questions unanswered.

AnsweredQoN 1118Legislative Assembly
Asked
11 August 2009
Portfolio
Water

QuestionView source ↗

I refer to the Southern Water Desalination plant and ask:
(1) How much will the water cost per kilolitre to be delivered to Perth?
(2) What is the life expectancy of the plant?
(3) How much is the operator being charged for the electricity per kilowatt?
(4) In light of the previous Economic Regulation Authority decision, how can the Minister claim the plant is powered by renewable energy?

AnswerView source ↗

Answered
9 September 2009
Responded by
Minister for Water
Response time
29 days
(1) $2.11 per kilolitre.
(2) The Water Corporation has set asset lives for specific asset classes. These are:
· Civil / Structural - 100 years.
· Mechanical - 25 years.
· Electrical / Control - 15 years.
Once constructed, the contractor will be required to operate and monitor the plant for an initial 25-year period.
(3) The contracts for the purchase of energy have not yet been finalised.
(4) The Water Corporation is intending to purchase the energy requirements (and associated environmental credits) from a renewable energy generator.
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