Lake Borumba has been identified as the first site for a long duration Pumped Hydro Energy Storage facility (PHES) in Queensland.
Lake Borumba has been identified as the first site for a long duration Pumped Hydro Energy Storage facility (PHES) in Queensland. The Borumba Pumped Hydro project is a 2,000 MW pumped hydro energy storage system at Lake Borumba, located in Imbil, west of the Sunshine Coast. On 13 June 2023, the Queensland Government announced $6 billion in funding for the Borumba Pumped Hydro project. The total project cost is estimated to be $14.2 billion.
This funding will allow Queensland Hydro to progress with exploratory works, the environmental impact assessment and detailed engineering. It will also support construction, subject to the Project receiving all necessary approvals.

The investment decision has been informed by engineering, environmental, social, and recreation studies carried out during the detailed design and cost analysis phase. Queensland Hydro delivered the Detailed Analytical Report (DAR) to the Queensland Government in March 2023.
The existing lower reservoir (Lake Borumba) will be expanded with a new dam wall, and a second reservoir will be constructed at a higher altitude. An underground powerhouse will link the two reservoirs together. When electricity is required, water will be released from the upper reservoir through the underground turbines to the lower reservoir.
Pending successful planning and environmental approvals, the project is targeting first power in 2030.
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