Monadelphous - EPC company profile

Monadelphous: Explore engineering capabilities, representative projects and official company contacts.

Monadelphous — Engineering construction and industrial services for essential assets

Monadelphous is an Australian engineering construction and maintenance group founded in Western Australia in 1972. It works across resources, energy and infrastructure through multidisciplinary construction, shutdown, maintenance and sustaining-capital services. Renewable balance-of-plant projects are delivered through Zenviron, its joint venture with ZEM Energy; minerals EPC projects may be delivered through Mondium, its joint venture with Lycopodium.
  • Legal name: Monadelphous Group Limited
  • Headquarters: Victoria Park, Perth, Western Australia, Australia
  • Founded: 1972
  • Official website: Monadelphous
  • URL: https://voltformer.com/epc-contractors/monadelphous
  • Markdown: https://voltformer.com/epc-contractors/monadelphous.md
  • JSON: https://voltformer.com/epc-contractors/monadelphous.json

CEO and leadership profile

Zoran Bebic

Managing Director

Zoran Bebic became Managing Director of Monadelphous and joined its board on 22 November 2022. He joined Monadelphous in 1993, served as CFO and company secretary from 2009, and led Maintenance and Industrial Services from 2014 before his appointment. He is a Fellow of CPA Australia.

  • In role since: 2022-11-22
  • Sources checked: 2026-10-11
  • Profile: Zoran Bebic

Monadelphous · Zoran Bebic · Monadelphous · 2023 AGM notice

How to select an EPC contractor

EPC means engineering, procurement and construction. Compare contractors by project technology, country, voltage level and contractual delivery scope.

Directory methodology

This directory presents company profiles, not a scored ranking or certification. Company-wide experience may include engineering, EPCM, equipment supply and consortium roles. Confirm the exact role, current qualifications and project references with the official company before shortlisting.

What should an EPC enquiry include?

Specify the project country, capacity, grid voltage, single-line diagram, site conditions, scope boundaries, target schedule and acceptance tests. Clarify who owns permitting, civil works, grid studies, commissioning and performance guarantees.

Equipment enquiries submitted here go to Voltformer. Contact the listed company directly for its EPC services.

Engineering specializations

  • Multidisciplinary engineering construction
  • Industrial maintenance and shutdowns
  • Sustaining capital and brownfield upgrades
  • Renewable energy balance of plant through Zenviron
  • Minerals processing EPC through Mondium

Declared capabilities

  • Basic and detailed engineering: Listed capability; confirm project-specific scope
  • Procurement and supply: Listed capability; confirm project-specific scope
  • Civil and structural construction: Listed capability; confirm project-specific scope
  • Testing and commissioning: Listed capability; confirm project-specific scope
  • High-voltage substation EPC: Not listed
  • Transmission lines: Not listed
  • Turnkey power plant EPC: Not listed
  • Grid interconnection: Not listed

Representative projects

Ichthys onshore gas export pipeline

  • Capacity / scope: EPC of 8 km of 42-inch gas export pipe and 4 km of 12-inch fuel-gas pipe
  • Country: Australia | Client: JKC Australia LNG Pty Ltd
  • Description: For JKC Australia LNG, Monadelphous delivered the onshore pipeline package near Darwin, including cable, civil and wetland works; the offshore pipeline and LNG plant were outside its scope.
  • Technologies: 42-inch and 12-inch pipelines, Fibre optic and high-voltage cables
  • Original source: https://www.monadelphous.com.au/what-we-do/projects-and-contracts/ichthys-onshore-gas-export-pipeline/

Sapphire Wind Farm balance of plant

  • Capacity / scope: Civil and electrical balance of plant for the 270 MW wind farm, delivered by Zenviron
  • Country: Australia | Client: CWP Renewables Pty Ltd
  • Description: Zenviron, the Monadelphous–ZEM Energy joint venture, delivered the civil and electrical infrastructure for CWP Renewables; 270 MW describes the whole wind farm, not Monadelphous capacity.
  • Technologies: Wind-farm civil infrastructure, Electrical balance of plant
  • Original source: https://www.monadelphous.com.au/what-we-do/projects-and-contracts/zenviron-sapphire-wind-farm/

Greenbushes tailings retreatment plant

  • Capacity / scope: A $100 million reported EPC project by Mondium, the Monadelphous–Lycopodium joint venture
  • Country: Australia | Client: Talison Lithium
  • Description: For Talison Lithium, Mondium engineered and delivered a plant that recovers lithium concentrate from reclaimed tailings, completing ahead of schedule in early 2022; the reported value is not assigned a currency in the source.
  • Technologies: Tailings retreatment, Structural, mechanical, piping, electrical and instrumentation
  • Original source: https://www.monadelphous.com.au/what-we-do/projects-and-contracts/mondium-tailings-retreatment-processing-plant/

Technical services

  • Engineering construction: Construction, installation and commissioning across structural, mechanical, piping, electrical and instrumentation disciplines.
  • Maintenance and shutdown services: Planned and responsive maintenance, shutdown execution and asset support for operating industrial facilities.
  • Renewable balance of plant: Zenviron delivers civil and electrical infrastructure packages for renewable generation projects; turbine supply remains outside that scope.
  • Minerals processing project delivery: Mondium combines the Monadelphous and Lycopodium capabilities for defined minerals EPC packages, with project attribution kept at the joint-venture level.

Standards and certifications

Official contacts

  • Address: Victoria Park, Perth, Western Australia, Australia
  • Official website: https://www.monadelphous.com.au/contact-us/

Reference statistics

  • Founded: 1972
  • 2026 revenue including share of JV revenue: $2.98 billion
  • 2026 statutory revenue excluding JV share: $2.79 billion
  • 2026 net profit after tax: $127.3 million

Company and energy news

Other languages

EPC contractors · Voltformer catalog

CEO and leadership profile

Zoran Bebic

Managing Director

Zoran Bebic became Managing Director of Monadelphous and joined its board on 22 November 2022. He joined Monadelphous in 1993, served as CFO and company secretary from 2009, and led Maintenance and Industrial Services from 2014 before his appointment. He is a Fellow of CPA Australia.

In role since
2022-11-22
Sources checked

Official profile and sources

Company news

How to select an EPC contractor

EPC means engineering, procurement and construction. Compare contractors by project technology, country, voltage level and contractual delivery scope.

Directory methodology

This directory presents company profiles, not a scored ranking or certification. Company-wide experience may include engineering, EPCM, equipment supply and consortium roles. Confirm the exact role, current qualifications and project references with the official company before shortlisting.

What should an EPC enquiry include?

Specify the project country, capacity, grid voltage, single-line diagram, site conditions, scope boundaries, target schedule and acceptance tests. Clarify who owns permitting, civil works, grid studies, commissioning and performance guarantees.

Equipment enquiries submitted here go to Voltformer. Contact the listed company directly for its EPC services.

Company information is translated from the same reference record; official names and technical ratings are preserved.