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Aldoga Solar Farm

Project Location:

Queensland

Client Name:

Acciona

Project Description:

Our teams delivered the construction works for the 485MW Aldoga Solar Farm in Gladstone, Queensland.


The scope included surveying, pile distribution, drilling, pile installation, tracker and module installation, civil works, electrical reticulation, underground cabling and mechanical installations.


Working across a 1,137-hectare site, our teams supported delivery of one of Australia's largest renewable energy developments, overcoming complex logistics, changing ground conditions and evolving project requirements while maintaining programme performance.

Key Stats:

  • 485MW solar farm

  • 432,000 solar panels installed

  • 65,409 piles driven

  • 106,500m of trenching completed

  • 268,500m of MV cable installed

  • 1,137 hectare development area

12 Months

Duration

Challenge

  • Managing logistics and delays to free-issued materials across a large-scale renewable energy project

  • Varying ground conditions requiring extensive pre-drilling activities across sections of the site

  • Coordinating multiple contractors and simultaneous operations across active work fronts

  • Adapting to ongoing design changes, evolving project requirements and scope growth during delivery

  • Maintaining productivity despite civil handover delays, material quality challenges and changing construction priorities

  • Responding to a significant programme risk when the initially planned mechanical installation contractor was unable to proceed

Solution

  • Maintained close collaboration with Acciona, suppliers and contractors to coordinate delivery activities and minimise disruption

  • Re-sequenced installation activities and work fronts to mitigate material delays and maintain programme momentum

  • Utilised specialist plant, equipment and in-house maintenance capabilities to manage challenging ground conditions and support productivity

  • Implemented robust QA/QC processes, inspections and reporting procedures to maintain installation quality and traceability

  • Rapidly mobilised a large mechanical installation workforce and specialist equipment when the planned installation contractor was unable to proceed, maintaining programme certainty and avoiding delays

  • Maintained strong coordination between civil, electrical and mechanical teams to maximise efficiency across the site

Outcome

  • Successfully adapted to changing project requirements and contractor interfaces while maintaining delivery momentum

  • Construction activities completed despite material delays, evolving designs and challenging site conditions

  • Achieved strong productivity across multiple work fronts through effective planning and coordination

  • Demonstrated the strength of OCU Group (ANZ)'s integrated delivery capability, with teams collaborating across piling, mechanical, civil and electrical scopes to support successful project delivery

  • Maintained high standards of quality, safety and programme performance across civil, electrical and mechanical scopes

  • Demonstrated the capability of our teams to deliver large-scale renewable energy infrastructure within a complex construction environment

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