WA Offshore Windfarm


Prospective pipeline

Credibly proposed


Under procurement

Preferred bidder announced

Recently closed
WA Offshore Windfarm

Prospective pipeline

Greenfield (construction) or brownfield (government asset divestment) projects needed or likely to occur within the next five years, but is not formally proposed by a state, territory or major local government.

Credibly proposed

The project or divestment is supported by a state, territory or major local government, is subject to studies or other processes (such as pre-feasibility or scoping studies or business case development), and is likely to proceed to formal announcement.   


The project has a firm commitment and timeline from a state, territory or major local government, but has not yet entered the market.

Under procurement

The project or transaction is under procurement (such as a call for Expressions of Interest, requests for tender, or another offer to the market).

Preferred bidder announced

A preferred bidder has been selected and is in exclusive negotiations.

Recently closed

Projects that have progressed to contractual close remain on ANZIP for 12 months.

ANZIP is focused only on major infrastructure activity, above the following thresholds:


Construction projects: > AUD$300m

Investable greenfield & brownfield: > AUD$100m

New Zealand

All greenfield and brownfield projects and divestments: > NZD $100 million

STATUS: Prospective pipeline
SECTOR: Energy
TYPE: Greenfield

Project Scope 

The proposed offshore windfarm will have a generation capacity of up to 300 megawatts (MW) and is proposed to be located approximately 5.5 kilometres off the WA coast between Preston Beach and Binningup, 20 kilometres north of Bunbury. The facility will comprise up to 37 wind turbines and is proposed by WA Offshore Windfarm, a subsidiary of Australis Energy.

Key features of the Western Australia Offshore Windfarm project include:


  • an offshore windfarm with up to 300MW of generation capacity
  • 1,300 gigawatt hours (GWh) of power output each year
  • up to 37 offshore wind turbine generators, and
  • supporting offshore and onshore electrical assets.


Electricity generated from the windfarm will be fed into the WA South West Interconnected System (SWIS) electricity grid using both subsea and overhead transmission cables, with the proposed grid connection at Kemerton substation.



Key Dates

Apr 2021: Project announced

Early 2025: Expected construction commencement

Early 2027: Expected construction completion




Procuring Agency: WA Offshore Windfarm Pty Ltd (subsidiary of Australis Energy)



Project Scope 

Apr 2021: WA Offshore Windfarm Pty Ltd, a subsidiary of Australis Energy, proposed the construction of a $1 billion offshore windfarm project in Western Australia.

Apr 2021: Project referred to WA Environmental Protection Authority for state environmental approval.


Last reviewed: 16/04/2021

Presented by

Government sponsors


Supporting agencies