Victorian Big Battery

Victorian Big Battery battery storage overview.

Victorian Big Battery is an operating lithium-ion storage facility beside Moorabool Terminal Station near Geelong, Victoria. Brought into operation in December 2021, it provides rapid grid support and participates in wholesale electricity markets under Illuma Energy’s operation.In OperationAustralia

At a Glance

Capacity

300 MW

Energy storage

450 MWh

Storage duration

1.6 hours

Storage type

Standalone

Owners

HMC Capital Limited +3 more

Operator

Data coming soon

Country

Australia

Location

-38.038°, 144.291°

Website

Official project page

Ownership

4 records

Share	Role	Details	Period
Unknown	Indirect Parent	HMC Capital acquired the Victorian asset portfolio including the battery on 1 August 2025. Its wholly owned Illuma Energy platform operates the asset.	From Aug 2025
Unknown	Operator	Illuma Energy operates the Victorian Big Battery within its Australian generation and storage portfolio.	Current / not dated
Unknown	Owner Operator	Neoen developed, owned and operated the original battery before completing the Victorian portfolio sale to HMC Capital in August 2025.	Until Aug 2025
Unknown	Project Company	Victorian Big Battery Pty Ltd is the licensed project company for the battery at Moorabool.	Current / not dated

Organisations

18 records

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

Organisation	Role	Details
	Connection asset and network partnerGrid Connection	Delivered the battery’s connection beside Moorabool Terminal Station.
	Original SIPS procurement and grid services counterpartyOfftake And Market	Procured the original 250 MW System Integrity Protection Scheme service on behalf of the Victorian Government.
	Conditional grid-forming support programmeFunding And Programme	ARENA’s 2022 large-scale battery funding round included conditional support for a grid-forming retrofit at the Victorian Big Battery.
	Independent fire investigation co-authorTechnical Advisory	Co-authored the independent technical report into the 30 July 2021 fire at the battery. Fisher Engineering subsequently became Bowman Fire & Life Safety.
	Original project debt financierFinance Insurance Legal	Provided AUD 160 million in debt finance to support construction of the original Victorian Big Battery.
	Historical project delivery partnerHistorical Development Context	Neoen’s December 2021 commissioning announcement acknowledges Downer among the partners delivering the battery.
	Energy storage fire investigation co-authorTechnical Advisory	Co-authored the independent technical report into the 30 July 2021 fire at the battery. Fisher Engineering subsequently became Bowman Fire & Life Safety.
	Virtual battery agreement counterpartyOfftake And Market	Neoen Australia announced its first virtual battery agreement with ENGIE Australia in November 2024.
	Investment platform ownerDevelopment And Asset Management	Completed the Victorian portfolio acquisition on 1 August 2025 and owns the Illuma Energy operating platform.
	Current operating platformOwner Operator	Operates the Victorian Big Battery following integration of the former Neoen Victorian portfolio into the Illuma Energy platform.
	Operating platform capital partnerFunding And Programme	The June 2026 Illuma launch followed financial close of the platform’s strategic capital partnership with KKR.
	Original Australian developer and operatorHistorical Development Context	Led development and delivery of the original battery, which entered operation in December 2021 before the Victorian portfolio sale.
	Autobidder optimisation software providerDigital Monitoring	The March 2026 site presentation identifies Tesla’s Autobidder software for bidding and optimising the battery’s participation in the National Electricity Market.
	Megapack battery technology supplierEquipment Supply	Supplied the Megapack battery technology used at the Victorian Big Battery.
	Balance of plant construction contractorEpc Balance Of Plant	Provided design, procurement and construction of balance of plant and civil works, and installed Tesla Megapacks as a subcontractor to Tesla.
	Current SIPS contract counterpartyOfftake And Market	The March 2026 site presentation identifies the System Integrity Protection Scheme contract with VicGrid.
	Licensed battery project companyProject Company And Development	Holds the generation and sale licence for the Victorian Big Battery at Atkinsons Road, Moorabool.
	Power transformer supplierSubstation Electrical	The project identifies Wilson Transformer Company as the local supplier of power transformers procured by network partner AusNet.

Supplier registration

Contact page only

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

Suppliers and business partners can make enquiries through the published corporate contact channel. This route does not provide project-specific supplier registration.

Illuma Energy’s company-wide contact channel for its Australian portfolio, including Victorian Big Battery.

Contact page

SourceChecked 28 Oct 2026

Wind [m/s]

Wave [m]