Global Infrastructure SherpaTrinasolar's Killawarra solar-battery hybrid project secures federal backing in Western Australia
Trinasolar's planned Killawarra solar-battery hybrid project in Western Australia's northern Wheatbelt region has received backing from the Australian government's Capacity Investment Scheme (CIS). The project will feature 350 MW of solar generation and a 2,100 MWh integrated battery storage system. This development is part of the CIS Tender 5, which aims to support new renewable energy generation and battery storage projects across regional Western Australia. The federal government is underwriting the project against an agreed revenue floor and ceiling, with final contract negotiations starting.
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- Trinasolar's Killawarra project received Australian government backing on 2026-05-04.
- The project includes 350 MW of solar generation.
- The project features a 2,100 MWh integrated battery storage system.
- The Australian government is underwriting the project against an agreed revenue floor and ceiling.
- The project is part of the CIS Tender 5 in regional Western Australia.
Source Intelligence
The project will feature a 2,100 MWh integrated battery storage system. The federal government is underwriting the project against an agreed revenue floor and ceiling. The project is part of CIS Tender 5. "The project, being developed in the northern Wheatbelt region, comprises 350 MW of solar and a 2,100 MWh integrated battery." "Under the CIS, successful projects are offered long-term revenue agreements where the federal government effectively underwrites a project against an agreed revenue ‘floor’ and ‘ceiling’."
"China-headquartered Trinasolar’s planned Killawarra solar-battery hybrid project"
"The Australian government has announced the results of Tenders 5 and 6 under its Capacity Investment Scheme (CIS)"
"AusEnergy Services Limited (ASL), which is overseeing the delivery of the CIS initiative for the federal government, said it will now commence final contract negotiations with the successful projects."
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