RWE receives approval to operate 50 MW / 400 MWh Limondale battery energy storage system

Type: Development · Technology: Storage · Country: Australia · Capacity: 400 MWh · Announced: 2026-05-28

RWE has received approval from the Australian Energy Market Operator (AEMO) and transmission network service provider Transgrid to operate the 50 MW / 400 MWh Limondale battery energy storage system in New South Wales, Australia. The project, located in the South-West Renewable Energy Zone, utilizes 144 Tesla Megapack batteries and connects to the grid via the existing 33 kV substation of the adjacent 314 MW RWE Limondale solar farm. The Limondale battery energy storage system is Australia's first 8-hour battery storage project and was built in collaboration with Tesla, Beon Energy Solutions, Lumea, and Transgrid. The project is expected to enhance the reliability and resilience of the national energy system and support a secure energy supply. RWE currently operates battery storage systems with a total capacity of 1.7 GW and has approximately 2.5 GW under construction. The Limondale battery energy storage system was sized at eight hours in response to the NSW government's Electricity Infrastructure Roadmap and was the first to receive a Long Duration Storage Long-Term Energy Service Agreement as part of the first tender undertaken by ASL, an AEMO subsidiary.

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