EPA Western Australia
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Kalgoorlie Thermal Power Project

Project
Proponent: 
Northern Star (EGP) Pty Ltd
Proposal description: 

The proposal is for the construction and operation of a 140 megawatt (MW) thermal power station and associated supporting infrastructure located directly east of Kalgoorlie-Boulder in the Goldfields region of Western Australia.

The proposed power station will supply electricity to Kalgoorlie Consolidated Gold Mines (KCGM) and connect to the South West Interconnected System (SWIS).  The power station will be capable of operating using natural gas, distillate and future alternative fuel sources such as bioderived, synthetic and hydrogen-enriched fuels. The proposal will require 44.24 hectares of disturbance within a 101.34 hectare development envelope.

Assessment Number: 
2581
Region: 
Goldfields Esperance
Referred under EP Act: 
s38
Industry sector: 
Infrastructure
Power generation
Last updated: 
March 6, 2026
Current Status: 
Decision on whether to assess has been published
Decision on whether to assess has been published
1. Referral
Comment on this referral: 
Kalgoorlie Thermal Power Project
Comment period: 
Friday, 16 January, 2026 to Thursday, 22 January, 2026
Referral documentation: 
PDF icon Referral form
PDF icon Proposal content document
PDF icon Supporting document
PDF icon Appendix A - Wartsila-31df tech specs.pdf
PDF icon Appendix B - Fimiston Flora Survey.pdf
PDF icon Appendix C - Reconnaissance flora and vege survey 2022.pdf
PDF icon Appendix D - Basic and Targeted Fauna Survey.pdf
PDF icon Appendix E - Targeted Malleefowl Survey.pdf
PDF icon Appendix G - Greenhouse Gas Management Plan.pdf
PDF icon Appendix H - Air Quality Assessment.pdf
PDF icon Appendix I - Noise Assessment.pdf
PDF icon Appendix J - Hydrology Assessment.pdf
PDF icon Appendix K - Baseline Contamination Assessment.pdf
2. Decision on whether to assess this proposal
Chair's Determination: 
Assess - Referral Information
Extract of determination: 
PDF icon Kalgoorlie Thermal Power Project
Preliminary Environmental Factors: 
Greenhouse Gas Emissions
Date published: 
Friday, 6 March, 2026

Source URL:https://www.epa.wa.gov.au/proposals/kalgoorlie-thermal-power-project