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Dear Stakeholder

Queensland Hydro is pleased to announce the release of an Expression of Interest for the Underground Works – Tunnel Drilling package for the Borumba Pumped Hydro Project.

This is the most significant package released to market to date and marks an exciting step forward for the critical exploratory works program. Queensland Hydro are committed to attracting the best partners for the Project while creating opportunities for local industry involvement.

Proponents interested in submitting an Expression of Interest are invited to do so via QTenders. A link to the EOI can be found here or by searching “CONBUR0236EOI” on QTenders –

The process will be undertaken in two procurement phases:

  • In Phase 1, prospective suppliers are encouraged to submit an EOI through QTenders prior to 4 December 2023. 
  • In Phase 2, proponents who meet the eligibility criteria outlined in the EOI process will be shortlisted, and those successful will be invited to submit a Request for Proposal (RFP). The RFP phase will commence in February 2024.

The contract will be awarded in August 2024 with construction set to commence in November 2024. Please note that all dates are subject to change.

Proponents must complete an Invitation Acknowledgement, execute a confidentiality deed and submit a probity declaration to be eligible to receive procurement documentation.

All questions regarding the procurement process must be formally submitted via QTenders, with responses provided via a public addendum on the QTenders website. If you have clarification questions regarding response requirements, those can be submitted to Queensland Hydro via