What's Happening?
Western Australia has launched its largest state-owned battery, the Collie Battery Energy Storage System (CBESS), as part of its transition towards renewable energy. Located near the Collie Power Station, the battery has a storage capacity of 500 megawatts
and can deliver 2,400 megawatt hours of electricity, enough to power approximately 785,000 homes for over four hours. The project, delivered through Synergy, represents a $1.6 billion investment by the Cook Government and is the third grid-scale battery completed in the past three years. This initiative is part of a broader strategy to expand renewable generation and storage as the state phases out coal-fired power by 2030.
Why It's Important?
The development of the CBESS is a significant step in Western Australia's efforts to transition from coal to renewable energy sources. By investing in large-scale battery storage, the state aims to stabilize its energy supply, reduce reliance on fossil fuels, and support the local economy through job creation. The project is expected to provide certainty to the local workforce and contribute to the state's Just Transition strategy, which includes nearly $700 million in job-creating initiatives. This move aligns with global trends towards sustainable energy solutions and positions Western Australia as a leader in renewable energy infrastructure.
What's Next?
The Western Australian government plans to continue its investment in renewable energy infrastructure, with further developments expected as part of the Just Transition Plan for 2026-2030. The focus will be on maintaining economic stability in regions like Collie, which have historically relied on coal. The government will likely continue to support workforce development and training to ensure a smooth transition for local communities. Additionally, the success of the CBESS could encourage further investments in similar projects, both within Australia and internationally.









