Wallgrove Grid Battery project
Wallgrove Grid Battery project battery storage overview.
Wallgrove Grid Battery is a lithium-ion storage installation beside Transgrid’s Sydney West substation in western Sydney. It combines electricity-market services with synthetic inertia for the transmission network. Tesla supplied the Megapack system, with commercial dispatch managed through Iberdrola Australia.In OperationAustralia
At a Glance
Capacity
50 MWEnergy storage
75 MWhStorage duration
1.5 hoursStorage type
StandaloneOwner
TransgridOperator
Data coming soonCountry
AustraliaLocation
-33.818°, 150.827°Website
Official project pageOwnership
1 record| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown |  | Owner Operator | NSW Electricity Networks Operations Pty Limited, as trustee for NSW Electricity Networks Operations Trust and trading as Transgrid, is the project owner. | Current / not dated |
Organisations
8 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| Demonstration programme funderFunding And Programme | ARENA supported the Wallgrove battery and its synthetic-inertia demonstration through the Advancing Renewables Program. | |
| Commercial services partnerOfftake And Market | Iberdrola Australia has dispatch control for energy arbitrage and frequency control ancillary services through the Wallgrove arrangements. | |
| Registered market participant and dispatch operatorOfftake And Market | Iberdrola Australia Wallgrove participates in the National Electricity Market and dispatches the battery under the battery services arrangements. | |
| Project and commercial asset managerDevelopment And Asset Management | Lumea manages the commercial arrangements and contractual oversight for the Wallgrove battery within the Transgrid group. | |
| Emerging Energy Program funderFunding And Programme | The NSW Government supported Wallgrove Grid Battery through the Emerging Energy Program. | |
| Battery EPC contractor and maintenance providerEpc Balance Of Plant | Tesla designed and constructed the battery using Megapacks and provides battery maintenance; its EPC scope included the high-voltage transformer. | |
| Battery owner and balance-of-plant operatorOwner Operator | Transgrid owns the battery and provides operation and maintenance of the high-voltage balance of plant. | |
| Design and construction subcontractorEpc Balance Of Plant | UGL Engineering delivered design and construction work as Tesla’s subcontractor. |
Supplier registration
Developer supplier portalHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Transgrid provides a corporate supplier route supported by SAP Ariba registration and procurement-team enquiries. The arrangements apply across its purchasing activities.
Transgrid-wide supplier registration and procurement arrangements; enquiries are handled by its procurement team.
SourceChecked 29 Oct 2026