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Sungrow, a global leader in PV inverters and energy storage systems, proudly supported the recently inaugurated Cunderdin Hybrid Solar PV + BESS Project, officially launched on April 1, 2025, by Global Power Generation Australia (GPG Australia). Featuring an inverter capacity of 136 MVA and a storage capacity of 55 MW / 220 MWh, the project is now the largest DC-coupled solar-plus-storage installation in Australia and represents GPG’s first venture into hybrid energy solutions. Strategically located in Cunderdin, Western Australia, the project features Sungrow’s fully DC-coupled system architecture, which connects the PV system directly with the battery storage to form an integrated and highly efficient energy solution. This setup enhances overall energy efficiency by enabling power to flow directly from the PV array to the battery without AC conversion, minimizing energy loss and improving system performance. The configuration also supports curtailment recapture, storing excess solar energy that would otherwise go unused, and enables advanced functions such as energy time shifting and ancillary services—delivering electricity during peak hours and supporting grid needs like frequency and voltage regulation. As part of the South West Interconnected System (SWIS)—Western Australia’s primary electricity network—the project plays a critical role in enhancing grid stability and renewable energy penetration. By providing peak shaving, load balancing, and real-time grid response capabilities, the system helps address the intermittency challenges of solar energy and ensures greater flexibility for the wholesale electricity market. The project features 80 units of Sungrow’s PowerTitan energy storage system, equipped with advanced liquid-cooled thermal control technology. AI-powered cell-level monitoring, combined with cluster-level balancing, ensures efficient performance and operational reliability across various conditions. The system’s modular design further streamlines installation and maintenance, offering long-term adaptability. Sungrow’s extensive experience in grid connection solutions across Australia has played a key role in the successful implementation of the Cunderdin project. With globally leading grid-connection capabilities, Sungrow enables high-efficiency integration into large-scale power systems. In this case, the solution supports dynamic grid response, voltage regulation, and frequency control, ensuring smooth and stable interaction with the South West Interconnected System (SWIS). In addition to technical excellence, Sungrow has provided end-to-end project support, including design, delivery, commissioning, and grid integration, demonstrating its role as a trusted solutions partner. The system also incorporates multi-level safety mechanisms, from cell-level thermal control to system-level fault detection and isolation, making it robust enough for utility-scale deployment. The Cunderdin project embodies the shared strategic vision of Sungrow and its client GPG in promoting Australia’s clean energy transition. For GPG, the project enhances its portfolio of sustainable infrastructure in one of the world’s most vibrant renewable energy markets. For Sungrow, it reinforces the company’s technical expertise, commercial execution capabilities, and long-term dedication to the Australian energy sector. Joe Zhou, Country Director of Sungrow Australia, expressed pride in supporting GPG in delivering one of the nation’s most advanced solar and storage projects, reaffirming Sungrow’s commitment to accelerating the global shift toward clean energy. After several months of commissioning tests, the project reached full commercial operation in March 2025 and is now exporting 100% power to the grid. It stands as a landmark achievement in Australia’s clean energy journey, further reinforcing Sungrow’s position at the forefront of global solar-storage innovation. |
