Trinasolar's Killawarra solar-battery hybrid project secures federal backing in Western Australia
Type: Development · Technology: Hybrid · Country: Australia · Capacity: 350 MW · Value: $5B · Announced: 2026-05-04
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.
Analysis
Trinasolar's planned Killawarra solar-battery hybrid project in Western Australia's northern Wheatbelt region secured backing from the Australian government's Capacity Investment Scheme (CIS) on May 4, 2026. The project will feature 350 MW of solar generation and a 2,100 MWh integrated battery storage system. The Australian Government invests in infrastructure projects across various sectors to support economic growth and improve the quality of life for its citizens. 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.
Key points
- 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.
Counterparties
- Australian Government (Government Support)
- Trinasolar (Developer)