Major energy storage supply contracts for Trina, Sungrow, Wärtsilä

Chinese companies Sungrow and Trina Storage, and Finnish power equipment manufacturer Wärtsilä have all announced new energy storage equipment supply deals.

Wärtsilä announced on Friday it has been contracted by Hong Kong-owned utility EnergyAustralia to provide engineering design services, supply equipment, commission, and service – for 15 years – the energy company’s 350 MW/1,474 MWh Wooreen Energy Storage System, in Victoria, Australia.

The Finnish company said construction of the site will start this year and be complete in 2027. The project will be installed next to EnergyAustralia’s Jeeralang gas-fired power station and is due to be operational before the Yallourn coal-fired power station is shuttered, in 2028.

Trina has revealed it will supply the energy storage cells and integrate battery cabinets at the Limestone Coast North Energy Park, in Australia, that was recently sold by UK-based developer Pacific Green to Intera Renewables.

As part of the sale agreement, for a site Trina on Wednesday said had an enterprize value of AUD 460 million ($289 million), Pacific Green will stay on to manage the 250 MW/500 MWh site from construction through commercial operation.

Trina said it would also ensure the system performance guarantee and warranty for the site, as part of its supply deal.

Inverter and energy storage supplier Sungrow said on Tuesday it signed a deal at last week’s Smart Energy Week Tokyo 2025 trade show to supply around 500 MWh of its cabinet-sized PowerStack and containerized PowerTitan energy storage systems to Japanese solar developer Sun Village Co. Ltd.

Announcing the deal, Sungrow stressed the rigorous safety testing its products have undergone, including what the company termed “the world’s largest battery energy storage system (BESS) burn test” for the PowerTitan.