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CopperString Project

Project overview*

EIS statusEIS active
Description A high-voltage overhead electricity transmission line connecting the North West Minerals Provence and Mount Isa to the National Electricity Market grid south of Townsville.
Proponent CuString Pty Ltd
Location/s The transmission line would run from a new sub-station at Woodstock, south of Townsville, to the Chumvale sub-station, near Cloncurry. Subject to demand, the line may extend west to Mount Isa and south to existing and potential mining operations. View map.
Local government/s
  • Mount Isa City Council
  • Cloncurry Shire Council
  • Mckinlay Shire Council
  • Richmond Shire Council
  • Burdekin Shire Council
  • Charters Towers Regional Council
  • Flinders Shire Council
Investment $1.7 billion
Key features
  • approximately 740 km overhead high voltage electricity transmission line from Woodstock south of Townsville to Chumvale, near Cloncurry
  • potential for additional network extensions of the electricity transmission line from Chumvale west to Mount Isa and south to Phosphate Hill and Cannington, increasing the length of the transmission line to approximately 1,100 km
  • transmission support towers every 400-500 meters
  • new sub-stations at Woodstock and Chumvale, near Cloncurry
  • optical fibre network capability
  • 120-metre-wide easement, narrowing to 60 metres wide in some areas
  • access tracks for construction and maintenance
  • construction camps
Expected completion 2024
  • up to 750 construction jobs, with a peak construction workforce of 350 at any given construction zone
  • 30 (operational)

* Project information supplied by proponent and subject to change.

Environmental impact statement (EIS) process

CurrentlyRevised draft EIS being assessed by draft EIS submitters and government agencies.
12 October 2021The proponent lodged a revised draft EIS.
17 June 2021Additional information for the EIS requested by the Coordinator-General.
23 February 2021Coordinator-General stated a new project declaration lapse date of 4 March 2022.
21 December 2020 to 12 February 2021

Draft EIS on public consultation.

Draft EIS, including appendices.

4 September 2019 Terms of reference for an EIS (PDF icon 693 KB) released.
8 July to 2 August 2019 Draft terms of reference (PDF icon 647 KB) for EIS public consultation.
14 May 2019 Delegate for the Commonwealth Minister for the Environment decided that the project is a 'controlled action'More information
26 April 2019 Gazettal of 'coordinated project' declaration (PDF icon 246 KB).
February 2019 Initial advice statement submitted (PDF icon 7.3 MB) submitted.

Read more about the EIS process.

Last updated: 09 Nov 2021