Waratah Super Battery
Waratah Super Battery battery storage overview.
Waratah is a large battery on the former Munmorah power station site at Colongra in New South Wales. It supports the state’s System Integrity Protection Scheme, responding rapidly to network disturbances, and reached full commercial operation in September 2026.In OperationAustralia
At a Glance
Technical capacity
849.6 MWEnergy storage
1,400 MWhStorage duration
2 hoursStorage type
Data coming soonOwners
Akaysha Energy +1 moreOperator
Data coming soonCountry
AustraliaLocation
-33.215°, 151.543°Website
Official project pageOwnership
2 records| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown |  | Owner Developer Operator | Akaysha developed, owns and operates the Waratah battery through its project company. | Current / not dated |
| Unknown | Operator | The industry participation plan identifies Munmorah Battery ProjectCo as the facility operator for Waratah. | Current / not dated |
Organisations
15 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| Developer, owner and asset managerDevelopment And Asset Management | Akaysha developed and operates Waratah and manages the asset’s participation in reliability services and electricity markets. | |
| Operator | Not set |
| Owner | Not set |
| Project company investment contextFinance Insurance Legal | The March 2026 industry participation plan identifies BlackRock alongside Akaysha as an investor in Munmorah Battery ProjectCo. | |
| Principal construction and balance of plant contractorEpc Balance Of Plant | CPP is the principal contractor responsible for construction, balance of plant and installation of the supplied battery equipment. | |
| Infrastructure planner and early project proponentDevelopment And Consenting | EnergyCo led early development, planning and procurement for the Waratah Super Battery Project. | |
| Battery delivery partnerEquipment Supply | EVE Energy is named among the partners that delivered the fully operational Waratah battery. | |
| Power conversion delivery and maintenanceSubstation Electrical | Hitachi Energy is a Waratah delivery partner and is identified in the March 2026 plan for maintenance support of the battery power conversion system. | |
| Project company and facility operatorOwner Operator | Munmorah Battery ProjectCo manages and operates the Waratah battery facility. | |
| Battery DC block maintenanceOperations Maintenance | The March 2026 plan identifies Munmorah Battery ServiceCo for maintenance support of the battery DC block. | |
| Historical battery system supplierHistorical Development Context | The industry participation plan records Powin as the supplier of the battery energy storage system equipment. | |
| Round-the-clock control-room servicesOperations Maintenance | The March 2026 plan identifies Quintas Energy for round-the-clock control-room services. | |
| Battery delivery partnerEquipment Supply | REPT Battero is named among the partners that delivered the fully operational Waratah battery. | |
| Network and SIPS control system operatorGrid Connection | Transgrid delivers and operates the overarching System Integrity Protection Scheme control system and associated network infrastructure. | |
| Transformer manufacturerEquipment Supply | Wilson Transformer Company is a Waratah delivery partner and manufactured the replacement transformer transported to the site in July 2026. |
Supplier registration
Developer supplier portalHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Trades and suppliers can express interest through the portfolio applications page. The delivery contractor may contact applicants about relevant work.
Akaysha portfolio expression of interest for trades and suppliers, with follow-up by the relevant delivery contractor.
SourceChecked 28 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 | Other capacity | 700 MW | Akaysha Energy — guaranteed continuous SIPS service power |
| Current | Technical capacity | 849.6 MW | AEMO July 2026 Generation Information — technical AC power |