Two new big battery projects name contractors and suppliers as construction gets underway

Two new large battery projects in Queensland and New South Wales have moved into construction phase. Atmos Renewables reached financial close on the 400 MW/1,600 MWh Teebar Battery system west of Maryborough, backed by the federal Capacity Investment Scheme. Australian firm Enerven will handle balance-of-plant work including site prep and a 275 kV transmission connection, while Finnish supplier Valo will deliver the battery hardware and software. Enerven is expected to begin work this year with commercial operation targeted for late 2028. A second project was also announced but details were not provided in the available text.

Where this fits

This is a bet on batteries as the principal firming tool for a renewables grid. Teebar's four-hour duration means it can only store one shift's worth of solar output; it cannot span multiple cloudy days or seasonal troughs. The reliance on imported hardware, Valo's GridSolve Quantum2 system, plus software and long-term servicing, locks Australia into a supply chain for grid-critical infrastructure. Finland and Sweden are not strategic rivals, but battery chemistry, cell manufacture, and rare-earth processing remain heavily China-dependent. Australia is building sovereign vulnerability into its grid's spine.

What it means

Each large battery project requires overseas suppliers for core equipment and subordinates grid stability to whatever weather the coming days bring. Two projects cannot meet firming need across the continent. The Capacity Investment Scheme is directing public funding toward storage that, by design, cannot firm the grid alone. Firm, long-lived, domestically-operable nuclear generation remains banned by law. Australia is choosing to pay for imported batteries to solve a problem that firm dispatchable power solves at lower whole-system cost and zero weather dependence.