Ballarat Energy Storage System
Ballarat Energy Storage System battery storage overview.
Ballarat is a standalone lithium-ion battery at Ballarat Terminal Station in Warrenheip, Victoria. Commercial operation began in December 2018, providing energy trading and frequency control services through a storage-services arrangement between AusNet and EnergyAustralia.In OperationAustralia
At a Glance
Capacity
30.1 MWEnergy storage
30.1 MWhStorage duration
1 hourStorage type
StandaloneOwners
AusNet +1 moreOperator
Data coming soonCountry
AustraliaLocation
-37.567°, 143.921°Website
Official project pageOwnership
2 records| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown |  | Owner | AusNet’s project report identifies AusNet Services/Mondo as owner of the Ballarat battery. | Current / not dated |
| Unknown | Operator | EnergyAustralia operates and trades the battery in the National Electricity Market under the storage-services agreement. | Current / not dated |
Organisations
14 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| Balance-of-plant maintenance groupOperations Maintenance | The 2021 report identifies AusNet Services as maintaining the battery’s balance of plant. | |
| Connection infrastructure delivery groupGrid Connection | The 2019 report assigns the battery’s connection feeder engineering, procurement, construction and commissioning to AusNet Services. | |
| Transmission infrastructure companyGrid And Transmission | AusNet Transmission Group operates the transmission infrastructure hosting the Ballarat battery. | |
| Network studies and market integration participantTechnical Advisory | AusNet’s 2021 report identifies AEMO as assisting with network studies for the Ballarat battery. | |
| Public grant funding partnerPublic Funding And Award | ARENA supported the Ballarat battery through the Advancing Renewables Program alongside the Victorian Government. | |
| Local government project stakeholderOther | The 2021 report identifies the City of Ballarat as a stakeholder supporting integration of the battery project. | |
| Historical project management and balance-of-plant contractorEpc Balance Of Plant | The 2019 report records the transfer of project management to Downer’s Utilities business in March 2018 and describes its design, civil, structural and electrical delivery responsibilities. | |
| Market intermediary and storage services counterpartyOfftake And Market | EnergyAustralia operates and trades the Ballarat battery under the storage-services agreement described in AusNet’s 2021 report. | |
| Battery system service providerOperations Maintenance | AusNet’s 2021 report describes a 15-year Fluence service agreement to maintain battery-system availability. | |
| Historical battery system technology providerEquipment Supply | The 2019 project report identifies Fluence Energy in the United States as the provider of the battery technology. | |
| Historical battery cell manufacturerEquipment Supply | The 2019 ARENA technical report identifies LG Chem batteries in the original Ballarat storage system. | |
| Historical consortium lead and project developerDevelopment And Consenting | NuvoGroup, trading as Spotless Sustainability Services, led the original project consortium and held the design, supply, construction and commissioning contract with AusNet. | |
| Historical battery inverter manufacturerEquipment Supply | The 2019 ARENA technical report identifies Power Electronics inverters in the original Ballarat storage system. | |
| State funding and programme partnerFunding And Programme | The Victorian Government supported the Ballarat battery through the Victorian Energy Storage Initiative. |
Supplier registration
Developer supplier portalHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Prospective suppliers can follow the owner’s company-wide supplier qualification process. Registration and assessment are managed through its procurement platform.
AusNet’s corporate supplier process covers its business portfolio, including contracted energy infrastructure; it is not a Ballarat-specific register.
SourceChecked 28 Oct 2026