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Northern Terminal to Neerabup Terminal 330kV Transmission Line

Project
Proponent: 
Electricity Networks Corporation trading as Western Power
Proposal description: 

The Northern Terminal to Neerabup Terminal 330kV Transmission Line proposal (the Proposal) is located approximately 13 km north of Perth in the City of Swan and City of Wanneroo. The Proposal is for the construction of a new 330kV dual circuit transmission line between Northern Terminal in Malaga and Neerabup Terminal in Pinjar, a length of

approximately 29 km. Additionally, the Proposal includes the expansion of the two existing Western Power substations, Northern Terminal and Neerabup Terminal.

The purpose of the Proposal is to reinforce the North Region transmission network to remove constraints on existing connected generation, provide additional capacity to connect large-scale renewable energy generation and meet future demand. The proposed transmission line will be in parallel to the existing 330kV transmission line between Northern Terminal and Neerabup Terminal.

Proposal Content Document: 
PDF icon Proposal Content Document - February 2026.pdf
Assessment Number: 
2410
Region: 
Perth
Referred under EP Act: 
s38
Industry sector: 
Infrastructure
Last updated: 
March 26, 2026
Current Status: 
EPA Report and Recommendations released - appeals open
EPA Report and Recommendations released - appeals open
1. Referral
Comment on this referral: 
Northern Terminal to Neerabup Terminal 330kV Transmission Line
Comment period: 
Thursday, 29 February, 2024 to Thursday, 7 March, 2024
Referral documentation: 
PDF icon Referral Form.pdf
PDF icon Att 1 - Proposal Content Document.pdf
PDF icon Att 2 - Development Envelope Figures.pdf
PDF icon Att 3 - AECOM 2024 - Environmental Impact Assessment - Rev 1 - reduced.pdf
PDF icon Att 4 - Tenure Summary.pdf
PDF icon Att 5 - NT-NBT 330kV Line - FVF Assessment Rev0 - Reduced_Part1.pdf
PDF icon Att 5 - NT-NBT 330kV Line - FVF Assessment Rev0 - Reduced_Part2.pdf
PDF icon Att 6 - Summary of impact on Banksia Woodlands TEC patches.pdf
2. Decision on whether to assess this proposal
Chair's Determination: 
Assess - Additional Assessment Information (public review)
Extract of determination: 
PDF icon Northern Terminal to Neerabup Terminal 330kV Transmission Line
Preliminary Environmental Factors: 
Social Surroundings
Flora and Vegetation
Terrestrial Fauna
Inland Waters
Date published: 
Monday, 25 March, 2024
3. Assessment
Request for further information
Date: 
Monday, 22 July, 2024
File upload: 
PDF icon Request for further information - Northern Terminal to Neerabup Terminal 330kV Transmission Line.pdf
PDF icon Attachment A - DCCEEW comments on adequacy of referral information and further information required for assessment.pdf
Environmental Review
Public submissions: 
Monday, 8 December, 2025 to Monday, 22 December, 2025
Make a submission: 
Northern Terminal to Neerabup Terminal 330kV Transmission Line - Additional Information
Environmental Review documentation: 
PDF icon NT-NBT 330kV - Environmental Review Document_Part1.pdf
PDF icon NT-NBT 330kV - Environmental Review Document_Part2.pdf
PDF icon NT-NBT 330kV - Environmental Review Document_Part3.pdf
PDF icon ERD - Appendix A - Referral Comments Register.pdf
PDF icon ERD - Appendix B - AECOM (2023) Flora and Vegetation Assessment.pdf
PDF icon ERD - Appendix C - AECOM (2025a) Addendum to AECOM (2023) Flora and Vegetation Assessment.pdf
PDF icon ERD - Appendix D - AECOM (2024) Flora and Vegetation Assessment_Part1.pdf
PDF icon ERD - Appendix D - AECOM (2024) Flora and Vegetation Assessment_Part2.pdf
PDF icon ERD - Appendix D - AECOM (2024) Flora and Vegetation Assessment_Part3.pdf
PDF icon ERD - Appendix E - AECOM (2025) Refined Black Cockatoo Assessment.pdf
PDF icon ERD - Appendix F - AECOM (2025b) Fauna Technical Memorandum.pdf
PDF icon ERD - Appendix G - SLR (2024) Fauna Technical Report – Black Striped Minnow and Western Swamp Tortoise.pdf
PDF icon ERD - Appendix H - TetraTech (2025) Inland Waters Assessment.pdf
PDF icon ERD - Appendix I - GHD (2024) Malaga-Ballajura Transmission Line.pdf
PDF icon CEL North - NT-NBT 330kV - Offset Strategy.pdf
PDF icon Orange Springs Report Biological Offset Report.pdf
PDF icon CEL North - NT-NBT 330kV - Flora and Vegetation EMP.pdf
PDF icon CEL North - NT-NBT 330kV - Inland Waters EMP.pdf
PDF icon CEL North - NT-NBT 330kV - Terrestrial Fauna EMP.pdf
Date Published (Environmental Review documentation): 
December 8, 2025
Proponent response to submissions: 
PDF icon CEL North - NT-NBT 330kV - Proponent Response to DMA & Public Submissions 202601.pdf
PDF icon CEL N-NT-NBT 330 - Environmental Review Document - RPS Updates 202601 - Clean.pdf
PDF icon Appendix J - NT-NBT 330kV - Dieback Survey - Rev 1 - Terratree.pdf
PDF icon Appendix N - NT-NBT 330kV - Hygiene Management Plan - Rev 1 - Terratree.pdf
PDF icon BC_low_DCCEEW offset-assessment-guide_rehab.pdf
PDF icon BC_low_DWER_WA_environmental_offsets_calculator_rehab.pdf
PDF icon BC_Mod4_DCCEEW offset-assessment-guide_rehab.pdf
PDF icon BC_Mod4_DWER_WA_environmental_offsets_calculator_rehab.pdf
PDF icon BC_Mod6_DCCEEW offset-assessment-guide_rehab.pdf
PDF icon BC_Mod6_DWER_WA_environmental_offsets_calculator_rehab.pdf
PDF icon BC_neg_DCCEEW offset-assessment-guide_rehab.pdf
PDF icon BC_neg_DWER_WA_environmental_offsets_calculator_rehab.pdf
PDF icon BW_DCCEEW - offset-assessment-guide_remnant.pdf
PDF icon BW_DWER_WA_environmental_offsets_calculator_remnant.pdf
PDF icon BW_FCT21c_DCCEEW - offset-assessment-guide_rehab.pdf
PDF icon BW_FCT21c_DWER_WA_environmental_offsets_calculator_rehab.pdf
PDF icon CBC_High_DCCEEW_offset-assessment-guide_remnant.pdf
PDF icon CBC_high_DWER_offsets_calculator_remnant.pdf
PDF icon CBC_low_DCCEEW offset-assessment-guide_rehab.pdf
PDF icon CBC_low_DWER_WA_environmental_offsets_calculator_v1.1_rehab.pdf
PDF icon CBC_lowtomod_DCCEEW_offset-assessment-guide_rehab.pdf
PDF icon CBC_lowtomod_DWER_offsets_calculator_rehab.pdf
PDF icon CBC_mod_DCCEEW_offset-assessment-guide_rehab.pdf
PDF icon CBC_mod_DCCEEW_offset-assessment-guide_remnant.pdf
PDF icon CEL North - NT-NBT 330kV - Flora and Vegetation EMP_clean_V2.pdf
PDF icon CEL North - NT-NBT 330kV - Inland Waters EMP_clean_V2.pdf
PDF icon CEL North - NT-NBT 330kV - Terrestrial Fauna EMP_clean_V3.pdf
PDF icon CEL North-NT-NBT 330kV_Offset Strategy_RPS Udpates_202601.pdf
PDF icon FRTBC_low_DCCEEW_offset-assessment-guide_rehab.pdf
PDF icon FRTBC_low_DWER_WA_environmental_offsets_calculator_v1.1_rehab.pdf
PDF icon FRTBC_lowtomod_DCCEEW_offset-assessment-guide_rehab.pdf
PDF icon FRTBC_lowtomod_DWER_WA_environmental_offsets_calculator_v1.1_rehab.pdf
PDF icon FRTBC_mod_DCCEEW_offset-assessment-guide_rehab.pdf
PDF icon FRTBC_mod_DWER_WA_environmental_offsets_calculator_v1.1_rehab.pdf
Date published (Proponent response to submissions): 
February 3, 2026
Change to proposal during assessment under s. 43A
s. 43A notice: 
PDF icon s. 43A Notice and Attachment 1 - 070825.pdf
Date of approval s. 43A: 
Thu, 07/08/2025
4. EPA Report on assessment
EPA Report Number: 
1804
EPA Report: 
PDF icon EPA Report 1804 Northern Terminal to Neerabup Terminal.pdf
Key Environmental Factors: 
Social Surroundings
Flora and Vegetation
Terrestrial Fauna
Inland Waters
Date published: 
Thursday, 26 March, 2026
Appeals close: 
Thursday, 16 April, 2026

Source URL:https://www.epa.wa.gov.au/proposals/northern-terminal-neerabup-terminal-330kv-transmission-line