Harrogate BESS

Overview

Potentia Energy is leading the development of a utility-scale battery energy storage system (BESS) designed to enhance the reliability and integration of variable renewable energy sources within South Australia’s electricity network.

Subject to obtaining the necessary approvals, construction of the proposed Harrogate BESS project would be expected to commence in the second half of 2026, with operations due to begin in mid 2028. The estimated investment value of the proposed project would be more than $475 million.

Subject to obtaining the necessary approvals, the proposed proejct would comprise of shipping containers which are fitted with the battery units and control equipment associated with inverters and power transformers. The layout would be arranged in a grid pattern with enough space to allow access around each unit. A substation will be constructed within the project area to allow the project to connect to the 275kV Tungkillo – Mt Barker transmission line owned by ElectraNet. The proposed project would be a staged development, delivering an initial 270MW / 1080MWh, with the option to expand to 540MW / 2160MWh.

Key Project
Details

Status under-development Location Tungkillo, South Australia BESS

Technology: BESS 1080 MWh Energy production 270 MW Operational Capacity

Project Approvals

Potentia Energy is currently preparing the necessary inputs for an Associated Infrastructure Licence in accordance with the Hydrogen and Renewable Energy Act 2023 (SA) and Hydrogen and Renewable Energy Regulations 2024. Potentia Energy intends to lodge the application with the SA State Government in due course.

Project Timeline

Late 2025

Target lodgement of application

Target for lodgement of the Associated Infrastructure Licence in accordance with the Hydrogen and Renewable Energy Act 2023 (SA) and Hydrogen and Renewable Energy Regulations 2024.

Late 2026

Target commencement of construction

Subject to obtaining the necessary approvals, targeted commencement of construction at the Harrogate BESS site.

Mid 2028

Targeted commencement of operaations

Subject to obtaining the necessary approvals, targeted completion of construction phase for the Harrogate BESS site.

Community Survey

As part of our approach to community engagement for the project, we are seeking feedback from the community, to better understand local values and priorities and inform planning for potential initiatives to be undertaken within the local area close to the Harrogate BESS Project site. The survey results will inform local community benefit sharing initiatives, where feasible and aligned with the company values, policies and capabilities. We appreciate local community members time to contribute to the survey. If you would like to discuss your feedback in further details, please contact us.

Fill out the Community Survey Here

Project Resources

The general resources below are intended to outline key project details, including facts and figures, and frequently asked questions for the Harrogate BESS.

Frequently Asked Questions for BESS Projects View PDF Frequently Asked Questions for Harrogate BESS Projects View PDF Complaint Handling Procedure View PDF