After partnering with RCR Mining Technologies for many years, OFI joined the NRW Holdings Group in 2023. Specialising in Electrical Engineering & Design, Control Systems & Automation, Manufacturing, and Construction & Commissioning, they are at the forefront of electrical innovation and integration across Australia.

Since 1989, OFI has provided electrical engineering solutions to the mining and resources, Government and Defence, agriculture, and energy sectors. They are a trusted market leader with a reputation to deliver.

OFI proficiently integrate emerging and legacy technologies and are well-known for delivering results on even the most complex and large-scale projects, including in remote and harsh environments.

Engineering & Design

  • High voltage/ low voltage system modelling and design
  • Arcflash assessments, plant (including sub-station) earthing system design, lightning protection system design
  • Functional safety assessment and designing
  • Hazardous area classification including hazardous area designing
  • High voltage & DMP submissions
  • Design drafting

Control Systems & Automation

  • Control & communication systems designing
  • Control system functional specifications and descriptions
  • PLC & telemetry system programming
  • HMI & SCADA system programming
  • Plant wide control system integration


  • Motor control centres
  • Site main switchboards
  • Distribution boards
  • Panel boards
  • Kiosks
  • Switchrooms

Construction & Commissioning

  • Project management
  • Planning, scheduling and reporting
  • Procurement
  • Industrial electrical construction
  • Hazardous areas installation and inspections
  • Electrical system testing & commissioning
  • Control system testing & commissioning