Lake Bonney Battery Energy Storage

Lake Bonney Battery Energy Storage battery storage overview.

Lake Bonney is a battery storage installation beside the Lake Bonney wind farms near Millicent in South Australia. It uses Tesla Powerpack technology to provide dispatchable electricity and frequency control services. The battery was energised in 2019 and supports Iberdrola Australia’s renewable energy portfolio.In OperationAustralia

At a Glance

Capacity

25 MW

Energy storage

52 MWh

Storage duration

2.1 hours

Storage type

Co Located Renewable

Owners

Iberdrola Australia +1 more

Operator

Data coming soon

Country

Australia

Location

-37.739°, 140.387°

Website

Official project page

Ownership

2 records

Share	Organisation	Role	Details	Period
Unknown		Indirect Parent	Iberdrola Australia Limited is the parent company of the battery’s project company.	Current / not dated
Unknown		Owner	Lake Bonney BESS Pty Limited owns the battery installation and is a wholly owned subsidiary of Iberdrola Australia Limited.	Current / not dated

Organisations

13 records

Organisations recorded as working on this asset or its project, and their role.

Organisation	Role	Details
	Market integration and performance assessment authorityRegulatory Permitting	AEMO participated in the generator performance standards and system strength assessment processes for the battery connection.
	Public grant funding partnerPublic Funding And Award	ARENA committed up to A$5 million towards development of the battery.
	Original balance of plant installation contractorEpc Balance Of Plant	Consolidated Power Projects supported battery installation and balance of plant works, including initial substation earthworks.
	Transmission connection and substation works providerGrid Connection	ElectraNet delivered the substation extension and provided the battery’s transmission connection.
	Original grid modelling consultantTechnical Advisory	Entura carried out grid connection modelling and technical studies for the battery development.
	Electricity generation licensing authorityRegulatory Permitting	The Essential Services Commission approved the generation licence variation authorising the 25 MW battery export capacity.
	State grant funding partnerPublic Funding And Award	The South Australian Government committed up to A$5 million towards development of the battery.
	Developer and operating groupDevelopment And Operation	Infigen Energy, now Iberdrola Australia, developed the battery and operates it within its renewable energy and retail portfolio.
	Battery asset companyOwner Operator	Lake Bonney BESS Pty Limited is the company owning the battery storage installation.
	Electricity generation licenseeProject Company And Consenting	Lake Bonney Wind Power’s electricity generation licence was varied to include the battery on 1 October 2019.
	Original battery EPC and technology providerEpc Balance Of Plant	Tesla delivered the original Powerpack battery under an engineering, procurement and construction contract.
	Original OEM maintenance and dispatch software providerOperations Maintenance	The 2020 project report documents Tesla equipment maintenance and AutoBidder software service agreements.
	Historical high-voltage switching contractorOperations Maintenance	The 2020 project report identifies Vestas as the high-voltage switching contractor, drawing on its existing site presence.

Supplier registration

Developer supplier portal

How suppliers get onto this project's radar: its standing register, supplier portal or contact route.

Suppliers can access the group’s procurement guidance and invitation-based supplier platform. Engagement takes place through group-wide purchasing processes.

Iberdrola’s group-wide supplier platform requires an invitation for tender participation; it is not a Lake Bonney-specific supplier register.

Supply chain pageContact pageOperator portalwe could not open this

SourceChecked 28 Oct 2026

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