World-first wave energy technology to power desalination pumps

Carnegie Wave Energy has received a $1.27 million grant from the Federal government for a wave-powered desalination plant on Garden Island, south west of Perth.

This world-first project will use the power of ocean waves to directly drive high pressure desalination pumps at a pilot-scale desalination plant, substantially reducing emissions and electricity consumption.

The desalination plant will be co-located on Garden Island with the power station. The $31.2million power station is being supported by a $9.9million grant from the Australian Renewable Energy Agency.

Special Minister of State, Gary Gray congratulated Carnegie Wave Energy for another world leading project.

“Carnegie Wave Energy is already in partnership with the Gillard Government to supply power to HMAS Stirling through its Wave Energy Project at Garden Island and I am pleased we are expanding our partnership by supporting this desalination project,” said Mr Gray.

“The company will deploy its existing CETO technology to harness the power of waves off Garden Island to drive the desalination pumps on the Island to make sea water drinkable.

“This world-first process has the potential to reduce the electricity consumption of traditional desalination plants by up to 90 per cent.”

Carnegie Wave Energy Carnegie Wave Energy Chief Operating Officer Greg Allen said the Company’s CETO system deploys fully submerged buoys which are tethered to pump units on the seabed.

“These buoys move with the motion of passing waves, pressurising water that is delivered onshore to drive the hydraulic motor and pumping system for the desalination plants,” Mr Allen explained.

“Together, the wave powered power station and desalination plant on Garden Island will produce power and clean, drinkable water for the Navy. The Garden Island site will enable us to demonstrate the technology to organisations interested in developing wave powered power stations and desalination plants throughout the world.”

The funding will assist in the design and development of the seawater intake and brine discharge system; control instrumentation; and hydraulic system interface to enable integration with a traditional desalination facility.

The grant is part of the $200 million Clean Technology Innovation Program, which is aimed at providing grants to innovative businesses to help them develop new clean technologies.

Applications are accepted on a continuous basis and potential applicants should visit ausindustry.gov.au

 

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