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 Proposal Content Document (March 2025).pdf (PDF, 820.77 KB) Assessment Number 2404 Region Goldfields Esperance Referred under EP Act s38 Industry sector Oil and gas Last updated June 09, 2025 Current Status Ministerial Statement published 1. Referral Comment on this referral Mt Keith Power Station Capacity Expansion Project Referral documentation Referral form (PDF, 337.32 KB) Proposal Content Document (PDF, 537.34 KB) Supporting document (PDF, 5.37 MB) Greenhouse Gas Management Plan (March 2025).pdf (PDF, 1.04 MB) Supporting document (March 2025).pdf (PDF, 2.7 MB) 2. Decision on whether to assess this proposal Chair's Determination Assess - Additional Assessment Information Extract of determination Mt Keith Power Station Capacity Expansion Project (PDF, 269.38 KB) Date published Tuesday, March 5, 2024 - 12:00 4. EPA Report on assessment EPA Report Number 1780 EPA Report EPA Report 1780 Mt Keith Power Station Capacity Expansion Project.pdf (PDF, 1.74 MB) Key Environmental Factors Greenhouse Gas Emissions Date published Thursday, April 3, 2025 - 12:00 Appeals close Thursday, April 24, 2025 - 12:00 5. Decision on proposal and implementation of proposal Ministerial Statement Date of approval Monday, June 9, 2025 - 12:00 Ministerial Statement Ministerial Statement 1247 (PDF, 545.98 KB)
