Energy storage developer and system integrator Energy Vault has released its Q3 2025 financial results, showing growth credited to expanding projects in Australia and its ‘Asset Vault’ subsidiary.

Although vertically integrated ESS-cell suppliers retain more control over their supply chain, system integrators’ flexibility may help them in the medium-term, writes Solar Media Market Research analyst Charlotte Gisbourne.

Three large-scale BESS with a combined capacity of 720MW have been submitted for federal assessment under Australia’s EPBC Act.

Queensland Investment Corporation (QIC) and EDP Renewables Australia have signed an exclusivity agreement to develop the Punchs Creek Renewable Energy Project, a 1,600MWh solar-plus-storage project in Queensland’s Toowoomba region.

Japan’s NGK Insulators has discontinued its sodium-sulfur (NAS) battery product line, with the exit of its partner, BASF, thought to have led to the final decision.

Australia’s Waratah Super Battery has been hit with a “catastrophic” failure at one of its transformers, reducing the project’s capacity.

HDRE and Zen Energy have executed a 20-year power purchase agreement for the 111MW/330MWh Templers Battery Project in South Australia.

Australia’s AGL Energy has agreed to divest 19.9% of its equity interest in Tilt Renewables to Queensland Investment Corporation (QIC) and a Future Fund-led consortium for AU$750 million (US$488 million).

Trina Storage has signed a memorandum of understanding (MoU) with Pacific Green Energy Group to supply up to 5GWh of battery energy storage systems between 2026 and 2028.

In a BESS market where success hinges on rapid, high-performance, and cost-effective deployment, the role of the system integrator has never been more critical.