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Grid scale battery proposed for the Wallerawang Power Station site
Feb 15th 2021

Grid scale battery proposed for the Wallerawang Power Station site


February 2021 – As an important component of our vision for the Greenspot 2845 Activity Hub, we have commenced the planning approvals process, seeking development consent for the construction, operation and maintenance of a Battery Energy Storage System (BESS) of 500 MW capacity that would provide 1,000 MWh of energy storage.

The Project, if approved, will be strategically important for two overarching reasons:

The name of the Battery

The Wallerawang Power Station was operational for almost 60 years and the last two generator units to be decommissioned in 2014 were units 7 and 8. In continuation of this legacy and reflecting the long-term role the Power Station played in the NSW energy sector, the battery will be known as the ‘Wallerawang 9 Battery’.

Overview of the Project

The Project will involve construction and operation of a large-scale BESS.

The BESS would require a built area of about 10 hectares of land at a location to be determined within the Project Site of about 40 hectares as shown in this PDF file.

The location and configuration of the final built form of the Project would be confirmed as part of further design developments and detailed within the Environmental Impact Statement (EIS) for the Project.

Construction is expected to begin in early 2022 and the battery is anticipated to be operational in 2023 with a design life of at least 20 years.

Final built form features would include:

To view the full Scoping Report for the Project which has been lodged with the NSW Department of Planning, Industry and Environment, view this PDF file

What are the next steps?

In the near future we will prepare an Environmental Impact Statement (EIS) for the Project. The EIS will include more detailed information about the Project, including:

The EIS will be placed on public exhibition, during which time there will be an opportunity to discuss the project and provide a formal submission on any aspect of the project.

Greenspot will continue to engage with the community and key stakeholders in the lead up to the public exhibition of the EIS, throughout exhibition and after it is completed.

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