WA Reaches Milestone with Second Kwinana Battery Completion

Western Australia’s clean energy transition achieved a significant milestone with the completion of the second Kwinana Battery Energy Storage System (BESS), valued at $661 million. The project boosts the state’s ability to integrate renewable energy and ensure grid stability.

• Project Specs:

  • 288 battery modules and 72 inverter units.

  • 800MWh of storage with 200MW capacity.

  • Powers up to 450,000 homes for four hours.

• Timeline:

  • Construction began in July 2023 and will go live before Christmas 2024.

  • Created approximately 200 construction jobs.

The announcement coincides with a record 85.1% renewable energy contribution to the SWIS grid on 17 November. WA has significantly increased renewables on the grid from 14% in 2017 to over 34% in 2023, with continued progress driven by investments