Kwinana Battery Energy Storage System 1
Kwinana Battery Energy Storage System 1 battery storage overview.
Kwinana Battery Energy Storage System 1 is a transmission-connected battery at the former Kwinana Power Station site in Naval Base, Western Australia. It stores surplus daytime electricity and supplies the grid during higher demand, using existing transmission infrastructure and a dedicated substation.In OperationAustralia
At a Glance
Capacity
100 MWEnergy storage
200 MWhStorage duration
2 hoursStorage type
StandaloneOwners
Electricity Generation and Retail CorporationOperator
Data coming soonCountry
AustraliaLocation
-32.199°, 115.779°Website
Official project pageOwnership
2 records| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown | Operator | Synergy operates Kwinana Battery Energy Storage System 1 in the South West Interconnected System. | Current / not dated | |
| Unknown | Owner | Synergy reports Kwinana Battery 1 as part of its owned generation and storage assets. | Current / not dated |
Organisations
7 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| Battery developer, owner and operatorOwner Operator | Synergy developed and operates Kwinana Battery Energy Storage System 1. | |
| Transmission connection network operatorGrid Connection | Kwinana Battery 1 connects to Western Power’s 330 kV transmission system through existing infrastructure and a new 330/33 kV substation. | |
| Local installation and interconnection contractor groupTransport Installation | The Western Australian Government identified GenusPlus Group as the local partner undertaking on-site installation and interconnection works for the first Kwinana battery. | |
| Civil and electrical balance of plantEpc Balance Of Plant | Genus Industrial Services delivered civil and electrical balance-of-plant works, cable installation and commissioning support for Kwinana Battery 1. | |
| Battery project cable supplierCables | Nexans supplied low-voltage AC, 1,500 V DC, control and earthing cables and accessories for Kwinana Battery 1, working with Genus Industrial Services. | |
| Battery engineering, procurement and constructionEpc Balance Of Plant | NHOA Australia was awarded the engineering, procurement and construction contract for Kwinana Battery 1 in October 2021. | |
| Shared control facility electrical and communications contractorSubstation Electrical | Nilsen (WA) delivered electrical and communications infrastructure for the Kwinana Primary Data Centre, which supports monitoring and control of Kwinana Battery 1 and other Synergy facilities. |
Supplier registration
Developer supplier portalHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Prospective suppliers can register interest through the corporate supplier page and enter the invitation-based accreditation process. The supplier guidance explains accreditation requirements and how invited sourcing events are handled.
Synergy’s portfolio supplier process invites expressions of interest through its supplier support channel. Ariba accreditation starts with an invitation from Synergy and is not a project-specific register for Kwinana Battery 1.
SourceChecked 28 Oct 2026