❓ A parliamentary question regarding the combined cycle functionality of a proposed gas power plant in South Hedland, Pilbara. The response clarifies the plant's design and waste heat recovery, directing further inquiries to TransAlta Energy.
AnsweredQoN 1734Legislative Council
QuestionView source ↗
With reference to an article entitled New Power for Pilbara in the quarterly Department of Mines and Petroleum Prospect magazine, I firstly welcome the proposal for a combined cycle power plant at South Hedland, I ask: (a) will the combined cycle functionality of the proposed South Hedland gas power plant be included from inception; (b) if no to (a), why not; (c) if no to (a), are there provisions for the inclusion of combined cycle functionality at the proposed South Hedland gas power plant; (d) if yes to (c), what are the provisions for the inclusion of combined cycle functionality at the proposed South Hedland gas power plant; (e) has the combined cycle functionality of the proposed South Hedland gas power plant been factored into the projected power demand outlook for the Pilbara; (f) will all waste heat from the proposed South Hedland gas power plant be redirected into a combined cycle system; (g) if no to (f), why not; and (h) what guarantee can the Department of Mines and Petroleum provide that the combined cycle functionality of the proposed South Hedland gas power plant will indeed be built?
AnswerView source ↗
Answered
20 November 2014
Responded by
Leader of the House representing the Minister for Energy
Response time
37 days
Note: Horizon Power will not own or build the power plant referred to however it has provided some information. Further questions should be directed to TransAlta Energy.
(a) Yes
(b) Not applicable.
(c) Not applicable.
(d) Not applicable.
(e) Yes
(f) The new TransAlta facility will comprise of three gas turbines, two of which will be installed with waste heat recovery processes and a steam turbine, and one gas turbine will be installed as an open cycle unit.
The majority of the waste heat will be recovered through the waste heat recovery system. If the plant is lightly loaded or is undergoing maintenance, then the open cycle gas turbine will be operating. In these scenarios some waste heat may not be recovered. However, Horizon Power expects the normal operation to make full use of the combined cycle block of the power station.
(g) Not applicable.
(h) Not applicable.
(a) Yes
(b) Not applicable.
(c) Not applicable.
(d) Not applicable.
(e) Yes
(f) The new TransAlta facility will comprise of three gas turbines, two of which will be installed with waste heat recovery processes and a steam turbine, and one gas turbine will be installed as an open cycle unit.
The majority of the waste heat will be recovered through the waste heat recovery system. If the plant is lightly loaded or is undergoing maintenance, then the open cycle gas turbine will be operating. In these scenarios some waste heat may not be recovered. However, Horizon Power expects the normal operation to make full use of the combined cycle block of the power station.
(g) Not applicable.
(h) Not applicable.
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