en.Wedoany.com Reported - The Limondale Battery Energy Storage System (BESS), located near Balranald in southwestern New South Wales, has been officially commissioned. The project is owned and operated by RWE Renewables Australia, a developer headquartered in Germany. At the ribbon-cutting ceremony, New South Wales Minister for Climate Change and Energy, Penny Sharpe, stated that such battery storage facilities help prevent solar energy waste and support the use of renewable energy to power the entire state.
Located 854 kilometers southwest of Sydney, the Limondale BESS is the first project to secure a Long-Term Energy Storage Service Agreement under the New South Wales Electricity Infrastructure Roadmap. The system consists of 144 containerized, utility-scale, custom-configured lithium-ion Tesla Megapacks, with a total storage capacity of at least 400 MWh. Capable of providing over eight hours of continuous discharge, it is the longest-duration battery system in Australia.
These Megapacks were delivered pre-assembled from Tesla's Gigafactory in California, with each individual Megapack unit having a storage capacity of approximately 3.9 to 4.3 MWh. The system employs grid-forming inverters, which can generate a stable voltage signal independently rather than tracking the existing grid frequency. This asymmetric charge-discharge system can rapidly charge from the grid or the adjacent 314 MW Limondale Solar Farm at a rate of 100 MW, but its discharge rate is capped at 50 MW.
The Limondale project was developed by RWE Renewables Australia, with support from Tesla, Melbourne-based clean energy company Beon Energy Solutions, and Australian transmission companies Lumea and Transgrid. At the ceremony, Daniel Belton, CEO of RWE Renewables Australia, thanked the project team, partners, the New South Wales government, and ASL for their collaboration and commitment in safely completing this project. Belton described the battery project as a significant advancement in long-duration energy storage, contributing to a more reliable, resilient, and sustainable energy system.
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