Power Station, Cataby - Part 11B Application for Significant Development
Consultation closes 3 November 2026
A significant development application for a power station in the Shire of Dandaragan has been received by the Western Australian Planning Commission (WAPC) under Part 11B of the Planning and Development Act 2005.
The application proposes a gas-fired power station and supporting infrastructure at 10585 (Lot 1001) Brand Highway, Cataby. The proposal is also known as the Cataby Power Station.
The development consists of the following elements:
- Combined total of up to 500 MW of energy production, comprising:
- one 200MW gas turbine generation unit and associated plant and equipment
- 15 x 20MW reciprocating engine units and associated plant and equipment
- Incidental infrastructure and facilities
- Gas supply pipeline connection and metering infrastructure
- High voltage electrical switchyard and grid connection infrastructure
- Access roads, hardstand areas, water detention ponds and security fencing.
The application from GHD on behalf of Alinta Energy (Cataby) Pty Ltd is required to be advertised to seek public comments and is open until 3 November 2026.
The development is valued at $1 billion.
Local residents: The application documents can be inspected at the Shire of Dandaragan Administration Centre, 69 Bashford Street, Jurien Bay, 9am-4pm weekdays for the duration of the submission period.
Planners from the Department of Planning, Lands and Heritage will be available in Dandaragan and Jurien Bay on 14 and 15 October 2026 for meetings with residents (up to two residents per meeting). You can book a meeting here.-
Key Documents- Some appendices might not have been included due to confidentiality
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Applicant Planning Report (2.81 MB) (pdf)
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Applicant Land Proposal - Appendix C (1.39 MB) (pdf)
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Applicant Development Plans - Appendix D (15.9 MB) (pdf)
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Applicant Flora and Vegetation Assessment - Appendix E (20 MB) (pdf)
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Applicant Aboriginal Archaeological and Ethnographic Survey - Letter of Advice - Appendix F (1.82 MB) (pdf)
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Applicant Landscape Visual Impact Assessment - Appendix G (2.25 MB) (pdf)
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Applicant Environmental Noise Assessment - Appendix H (2.6 MB) (pdf)
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Applicant Air Quality Assessment - Appendix I (10.5 MB) (pdf)
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Applicant Social Impact Assessment - Appendix J (1.87 MB) (pdf)
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Applicant Surface Water Assessment - Appendix K (19 MB) (pdf)
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Applicant Hazard Risk Assessment - Appendix L (4.23 MB) (pdf)
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Applicant Bushfire Compliance Advice - Appendix M (6.57 MB) (pdf)
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Applicant Transport Impact Statement - Appendix N (3.35 MB) (pdf)
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Collection Notice (234 KB) (pdf)
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FAQs- Click to read
- What is the Part 11B Significant Development Pathway?
- Has there been any pre-lodgement engagement on the application?
- Has the proposal been subject to design review?
- In which local government area is this proposed development located?
- Will the local government be consulted?
- What does the Shire planning framework say about the site?
- What consideration will the WAPC give to the planning framework requirements and local concerns?
- How is this application being advertised to the public?
- Will my submission be shared with the Shire or applicant?
- How is the development application assessed?
- Who is the decision-maker for this application?
- What is the Environmental Protection Authority (EPA) review process?
- How does an EPA review impact a development assessment process?
- If I make a submission on the development application, will my comments be shared with the EPA?
- When will this application be determined?
- Will I be advised about the outcome of the application?
- Where can I get more information?