Hornsdale Power Reserve Unit 1
Hornsdale Power Reserve Unit 1 battery storage overview.
Hornsdale Power Reserve is a lithium-ion battery installation north of Jamestown in South Australia, beside the Hornsdale Wind Farm. Built using Tesla Powerpack technology, it provides frequency control and other grid stability services. The original installation entered operation in 2017 and was expanded to 150 MW in 2020, followed by the introduction of grid-forming inertia support.In OperationAustralia
At a Glance
Capacity
150 MWEnergy storage
193.5 MWhStorage duration
1.2 hoursStorage type
UnknownOwners
Hornsdale Power Reserve Pty Ltd +1 moreOperator
Data coming soonCountry
AustraliaLocation
-33.083°, 138.518°Website
Official project pageOwnership
2 records| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown | Operator | Hornsdale Power Reserve Pty Ltd holds the electricity generation licence for the battery installation. | Current / not dated | |
| Unknown | Developer Owner | Neoen developed the Hornsdale Power Reserve battery and presents it within its Australian energy storage portfolio. | Current / not dated |
Organisations
13 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| Independent technical and market impact assessorTechnical Advisory | Aurecon assessed the technical, market and economic impacts of Hornsdale Power Reserve. | |
| Grid integration and testing partnerEngineering And Technical | AEMO collaborated on grid connection, testing and validation of the battery’s inertia response capabilities. | |
| Battery expansion grant funderPublic Funding And Award | ARENA provided funding for the Hornsdale expansion and its grid service demonstrations. | |
| Original expansion debt financierFinance Insurance Legal | The Clean Energy Finance Corporation provided debt financing for the battery expansion. | |
| Transmission connection and system protection partnerGrid Connection | ElectraNet collaborated on the battery’s transmission connection and system protection services. | |
| Electricity generation licensing authorityRegulatory Permitting | ESCOSA licenses the operation of the Hornsdale Power Reserve battery. | |
| Original state support agreement and grant partnerPublic Funding And Award | The South Australian Government supported the original battery and its expansion through capacity and grant arrangements. | |
| Historical shareholder financing and security companyFinance Insurance Legal | The 2019 licence application identifies HPR Finco as the project company’s shareholder and describes its shareholder loan and security arrangements. | |
| Historical holding and equity funding companyFinance Insurance Legal | The 2019 licence application identifies HPR Holdco as the holding company providing shareholder equity through HPR Finco. | |
| Battery developer and owning groupDevelopment And Operation | Neoen developed the Hornsdale Power Reserve and its 50 MW expansion. | |
| Australian asset and construction management providerDevelopment And Asset Management | The 2019 licence application identifies Neoen Australia as the provider of asset and construction management services. | |
| Historical international holding companyOwnership History | The 2019 licence application records Neoen International as the shareholder of HPR Holdco within the Neoen group. | |
| Original battery EPC and maintenance contractorEpc Balance Of Plant | Tesla supplied the battery technology and was the primary EPC contractor, with an operations and maintenance contract. |
Supplier registration
Contact page onlyHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Suppliers and local businesses can use the project’s general enquiry route. The contact page invites questions and involvement.
Hornsdale’s project contact page provides a general enquiry route; it is separate from a supplier registration or prequalification form.
SourceChecked 28 Oct 2026