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Tuesday, January 13, 2026

Updated Tuesday, January 13, 2026 at 07:54:27 PM

Mining and International Projects

CIMIC, through Thiess, will develop Queensland's largest copper mine for 700 million Australian dollars

Newsroom Thursday, December 11, 2025 Reading time:

Thiess, a CIMIC subsidiary, has forged a strategic alliance with Harmony to provide mining services and civil works for the Eva Copper project. The contract covers five years of operations and reinforces the company's commitment to energy transition metals in Australia.

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CIMIC, through its subsidiary Thiess, has formalized an alliance agreement with the company Harmony to develop multiple work packages in the new mining project Eva Copper, located in Cloncurry, northwest of Queensland (Australia). This contract, with an approximate value of 700 million Australian dollars, positions the infrastructure as the future largest copper mine in the region and contemplates the provision of mining services until 2031.

 

The agreement underscores the ability of industrial services companies to mobilize resources for large-scale projects. According to the statement, the collaboration will establish new benchmarks for the sustainable development and efficient copper production, a key resource in today's global economy.

 

Key figures and timeline for the Eva Copper project

 

The project scope combines immediate civil works with long-term operational services. The most relevant financial and time-related details of the operation are provided below:

 

Charge Description Detail
Project Eva Copper Mine (Cloncurry, Queensland)
Companies Thiess (CIMIC) and Harmony
Investment/Value ~700 million Australian dollars
Start of Civil Works May 2025 (earthworks underway)
Mining Services Period June 2026 – June 2031

 

Diversification into transition metals

 

The awarding of this contract reinforces the raw materials portfolio diversification strategy of Thiess. Michael Wright, Executive Chair and CEO of the company, highlighted the strategic importance of the agreement: “The alliance agreement Eva Copper aligns Thiess y Harmony strategically and operationally, which allows us to establish new benchmarks.” Wright also emphasized the role of copper as “a fundamental metal that enables the global transition to low-emission energy.”

 

For its part, Johannes Van Heerden, Chief Development Officer of HarmonyHe noted that this project is vital to their goal of becoming an international gold and copper producer. “Through the Eva Copper Alliance, Thiess y Harmony "They combine their strengths in a unique and integrated framework, leveraging their technical expertise, proven industry experience, and shared values," Van Heerden stated.

 

Local impact and technical scope of services

 

The project not only has an economic dimension, but also a strong regional development component in Kalkadoon. Rae O'Brien, Group Executive of Thiess For Eastern Australia, he expressed his satisfaction at resuming operations in the Northwest region. The alliance is based on shared values ​​that include:

  • Support for the hiring of local staff and development of native labor.
  • Active community participation.
  • An unwavering commitment to the to maximise security and your enjoyment. and transparency.
  • Operational excellence to meet deadlines and budgets without compromise.

 

In technical terms, the first phases are already underway with large-scale earthworks beginning in May 2025. Once construction is complete, Thiess will assume the provision of comprehensive mining services that include drilling and blasting, mine planning, technical services and maintenance of mobile equipment in multiple open-pit mines.

 

Key points and frequently asked questions about the Eva Copper Project

 

What is the value and duration of the contract signed by Thiess?
The contract has an approximate value of 700 million Australian dollarsThiess will provide mining services for five years, from June 2026 to June 2031, although civil works began in May 2025.

 

What strategic importance does this project have for the companies involved?
To HarmonyThis is fundamental to its goal of becoming an international producer of gold and copper. ThiessThis represents a step forward in its diversification towards raw materials critical to the energy transition, such as copper.

 

What kind of work will Thiess do at the mine?
Thiess handles large-scale earthmoving, workshop construction, drilling, blasting, mine planning, technical services and mobile equipment maintenance.

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