The Bannaby BESS, to be developed by BW ESS, is a proposed
233-megawatt / 2,676-megawatt hour Battery Energy Storage System, located 45 kilometres northeast of Goulburn, NSW.
The project includes a 3.1-kilometre transmission line to connect the battery to Transgrid's existing Bannaby substation.
Key Dates
| Dec 2024 | Project Announcement |
| 2026 | Expected Construction Commencement |
| 2028 | Expected Construction Completion |
Procurement
| Procuring Agency: | BW ESS |
PROJECT HISTORY
| Dec 2024 | BW ESS submitted a Scoping Report to the NSW Department of Planning and Environment, requesting the Secretary's Environmental Assessment Requirements (SEARs). The Scoping Report set out the proposed projects scope, comprising a 750-MW / three-GWh battery. |
| Jan 2025 | The NSW Government issued the SEARs for the project. |
| Feb 2026 | ASL awarded Long-Term Energy Service Agreements to the project, along with five other long-duration storage projects under tender round six of the NSW Electricity Infrastructure Roadmap. The six projects have a combined capacity of 1.17 gigawatts and 12 gigawatt hours. The announcement also confirmed the project's expected capacity had been revised to 233 MW / 2,676 MWh. |
Estimated Total Cost
(2024)
Sector
Energy
Procurement approach
Traditional Procurement |
Location
New South Wales |
Resources
