HiTHIUM, a global energy storage technology company, has signed a Battery Energy Storage System supply agreement with Global Power Generation, the international renewable energy arm of Spain's NATURGY Group, to deliver a 421 MWh battery energy storage system for a project on Australia's Fraser Coast in Queensland.

The agreement was announced on August 12, 2026, and represents the first utility-scale collaboration between HiTHIUM and GPG, with both parties describing it as a foundation for future cooperation in Australia's expanding battery storage market.

Scope of Supply and Delivery Model

Under the terms of the agreement, HiTHIUM will supply 84 liquid-cooled battery energy storage system units to the Fraser Coast project. The company's responsibilities extend well beyond hardware delivery and encompass a comprehensive suite of services including system design, manufacturing, factory acceptance testing, DDP delivery, commissioning, technical support, and training.

HiTHIUM describes its approach as an integrated, end-to-end delivery model covering the entire project lifecycle from engineering and system integration through to commissioning and long-term technical support.

The company draws on what it describes as extensive experience in delivering large-scale energy storage deployments worldwide, positioning itself as a full-service partner for utility-scale projects rather than solely a hardware supplier.

Technical Configuration and Grid Services

The Fraser Coast BESS is structured as an AC-coupled energy storage project, connected to the 33kV switchgear of an adjacent solar farm. This configuration allows the system to charge from two distinct sources: the co-located solar plant and the broader electricity grid.

The system is designed with grid-forming capabilities and will deliver two primary grid services. The first is energy arbitrage, which involves charging when electricity prices or supply conditions are favorable and discharging at other times.

The second is Frequency Control Ancillary Services, known as FCAS, which are used to regulate frequency on the electricity grid and support overall grid stability.

These two functions together are intended to improve operational flexibility for grid operators and to support higher levels of renewable energy penetration on the grid to which the system is connected.

GPG and NATURGY Group

Global Power Generation, the project developer behind the Fraser Coast BESS, is the international renewable energy generation company of NATURGY Group. The Fraser Coast agreement marks the first utility-scale project on which GPG and HiTHIUM have collaborated, according to the announcement.

Both companies indicated the deal is intended to lay groundwork for ongoing cooperation as Australia's battery storage sector grows alongside broader renewable energy deployment.

No further details about GPG's specific plans for the Fraser Coast project beyond the BESS supply agreement were disclosed in the announcement.

Australia as a Growth Market for Utility-Scale Storage

HiTHIUM's announcement underlines the company's strategic focus on Australia as a priority market for its utility-scale energy storage business. The company described Australia as a rapidly growing energy storage market, driven by increasing renewable energy penetration that is creating demand for more flexible and resilient grid infrastructure.

Grid-scale battery storage in Australia is serving multiple roles in the country's energy transition, including energy shifting, frequency regulation, and system stability services, according to HiTHIUM's characterization of conditions in the market.

The Fraser Coast project is presented by the company as a further reinforcement of its position in what it described as one of the world's most dynamic energy storage markets.

A representative for HiTHIUM stated: "Australia is a rapidly growing energy storage market, and we are proud to partner with GPG on the Fraser Coast BESS project.

This project highlights how grid-forming battery storage can strengthen grid stability while supporting greater renewable energy integration and reflects HiTHIUM's long-term commitment to the Australian market."

Grid-Forming Technology as a Differentiator

The inclusion of grid-forming capability in the Fraser Coast system is a notable technical feature highlighted in the announcement. Unlike conventional grid-following inverters, grid-forming systems are capable of actively shaping and supporting the voltage and frequency of the electricity network they are connected to, rather than simply responding to grid conditions. HiTHIUM cited this capability as central to the project's role in strengthening grid stability amid rising shares of renewable generation.

The Fraser Coast project connects to an adjacent solar farm, meaning the BESS is positioned to smooth out variability in solar generation while simultaneously providing ancillary services to the broader grid through its FCAS participation.

The AC-coupled design and the 33kV connection point to the solar farm's switchgear reflect a configuration suited to projects that need to interact with both a generation asset and the wider electricity network.

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