Quinbrook Proposes 520 MW BESS in ACT to Support Renewable Energy Goals

Published: Jul 31, 2026 22:45
Quinbrook Infrastructure Partners has submitted a 520 MW standalone battery energy storage system in the Australian Capital Territory (ACT) for assessment under the federal Environment Protection and Biodiversity Conservation (EPBC) Act. The submission represents a major regulatory milestone for what could become one of the largest standalone BESS assets in the ACT. The project is designed to support the ACT’s 100% renewable electricity target by providing firming capacity for intermittent wind and solar generation. EPBC approval is a critical path item for projects of this scale, and the submission indicates advanced development status. If approved, the project would significantly bolster the ACT’s storage fleet and serve as a template for large-scale urban-adjacent BESS deployments.

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