Capital Battery

Capital Battery battery storage overview.

Capital Battery is a standalone lithium-ion storage installation near Queanbeyan substation in the Australian Capital Territory. Neoen developed the project to provide electricity storage and network services, with a virtual battery agreement supporting AGL Energy’s customer supply. It connects to Transgrid’s transmission network.In OperationAustralia

At a Glance

Declared capacity

100 MW

Energy storage

200 MWh

Storage duration

2 hours

Storage type

Standalone

Owner

Neoen

Operator

Data coming soon

Country

Australia

Location

-35.337°, 149.215°

Website

Official project page

Ownership

1 record

Share	Organisation	Role	Details	Period
Unknown		Owner Operator	CEFC’s March 2025 project profile identifies Capital Battery as Neoen owned and operated.	Current / not dated

Organisations

11 records

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

Organisation	Role	Details
	Virtual battery contract counterpartyOfftake Revenue	Neoen secured a seven-year 70 MW virtual battery agreement with AGL Energy in April 2022. The arrangement provides contractual charging and discharging exposure rather than physical ownership of the battery.
	Licensed-exemption project companyProject Company And Consenting	The ACT instrument grants Capital Battery Pty Ltd an exemption from the utility-licence requirement for the 100 MW battery at Rural Block 187 Jerrabomberra, subject to its operating-certificate condition.
	Historical senior debt providerFunding And Programme	CEFC committed financing alongside Infradebt at the 2022 financial close. Its updated case study records repayment of the CEFC commitment in March 2025.
	Lithium-ion battery supplierEquipment Supply	Doosan GridTech identifies CATL lithium-ion batteries as part of the Capital Battery system.
	EPC consortium partnerEpc Balance Of Plant	Doosan GridTech identifies Doosan Enerbility as its consortium partner for Capital Battery’s engineering, procurement, construction and long-term maintenance.
	System integration, EPC and long-term maintenanceEpc Balance Of Plant	Doosan GridTech describes delivery of Capital Battery with Doosan Enerbility, including system integration and a 20-year operations and maintenance programme.
	2022 senior debt co-lenderFunding And Programme	Neoen’s financial-close announcement identifies Infradebt as a senior debt provider alongside CEFC.
	Independent electrical design review and integrationEngineering And Technical	Middleton Group’s project reference describes independent design review and integration of battery and inverter interfaces, supporting the 132 kV substation design.
	Battery owner and developerOwner Operator	Neoen financed and developed Capital Battery. CEFC’s March 2025 project profile identifies the installation as Neoen owned and operated.
	Power conversion equipment supplierEquipment Supply	Doosan GridTech identifies Power Electronics inverters within the Capital Battery installation.
	Transmission network connectionGrid Connection	Capital Battery connects to Transgrid’s transmission network through Queanbeyan substation.

Supplier registration

Contact page only

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

Businesses can contact the project team through its published enquiry page. This provides a general route for questions and expressions of interest.

General project enquiries through the Capital Battery contact page.

Contact page

SourceChecked 29 Oct 2026

Capacity history

Recorded project capacity figures. Future-dated changes are shown but are not used as current capacity.

Effective	Capacity type	Capacity	Source
Current	Declared capacity	100 MW	Neoen – declared battery power

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