EPA Western Australia
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Mt Keith Power Station Capacity Expansion Project

Project
Proponent: 
TEC Desert Pty Ltd and TEC Desert No.2 Pty Ltd in partnership as Southern Cross Energy (TransAlta)
Proposal description: 

Southern Cross Energy (TransAlta) proposes to construct and operate up to 150 megawatt of gas reciprocating engines and associated infrastructure in the Northern Goldfields region of Western Australia (the proposal), approximately 90 kilometres (km) north of Leinster and 80 km south of Wiluna.

The proposal will be a component of TransAlta’s existing Southern Cross Energy North (SCEN) network supplying power to BHP Nickel West and potential third-party operators. The proposal will be constructed within an existing brownfields site. No vegetation clearing is proposed

Proposal Content Document: 
PDF icon Proposal Content Document (March 2025).pdf
Assessment Number: 
2404
Region: 
Goldfields Esperance
Referred under EP Act: 
s38
Industry sector: 
Oil and gas
Last updated: 
April 3, 2025
Current Status: 
EPA Report and Recommendations released - appeals open
EPA Report and Recommendations released - appeals open
1. Referral
Comment on this referral: 
Mt Keith Power Station Capacity Expansion Project
Comment period: 
Wednesday, 7 February, 2024 to Wednesday, 14 February, 2024
Referral documentation: 
PDF icon Referral form
PDF icon Proposal Content Document
PDF icon Supporting document
PDF icon Greenhouse Gas Management Plan (March 2025).pdf
PDF icon Supporting document (March 2025).pdf
2. Decision on whether to assess this proposal
Chair's Determination: 
Assess - Additional Assessment Information
Extract of determination: 
PDF icon Mt Keith Power Station Capacity Expansion Project
Date published: 
Tuesday, 5 March, 2024
4. EPA Report on assessment
EPA Report Number: 
1780
EPA Report: 
PDF icon EPA Report 1780 Mt Keith Power Station Capacity Expansion Project.pdf
Key Environmental Factors: 
Greenhouse Gas Emissions
Date published: 
Thursday, 3 April, 2025
Appeals close: 
Thursday, 24 April, 2025
5. Decision on proposal and implementation of proposal
Ministerial Statement
Date of approval: 
Monday, 9 June, 2025
Ministerial Statement: 
PDF icon Ministerial Statement 1247

Source URL:https://www.epa.wa.gov.au/proposals/mt-keith-power-station-capacity-expansion-project