Mornington BESS
Mornington BESS battery storage overview.
Mornington BESS is a grid-scale battery installation at Tyabb on Victoria's Mornington Peninsula, beside AusNet's terminal station. Construction has been completed and the project has reached its full 240 MW output during commissioning, adding flexibility to the Victorian electricity network.In ConstructionAustralia
At a Glance
Capacity
240 MWEnergy storage
587 MWhStorage duration
2.5 hoursStorage type
Data coming soonOwners
Mornington BESS Project Pty Ltd +1 moreOperator
Data coming soonCountry
AustraliaLocation
-38.269°, 145.205°Website
Official project pageOwnership
2 records| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown | Owner | The project company is identified as the site owner in AEMO's generation information, acting as trustee for the Mornington BESS Project Trust. | Current / not dated | |
| Unknown |  | Developer Operator | Valent Energy develops and manages the Mornington battery project. | Current / not dated |
Organisations
10 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| High-voltage switchgear and protection supplierEquipment Supply | ABB switchgear and protection equipment formed part of the systems tested during commissioning. | |
| Engineering and balance-of-plant contractorEpc Balance Of Plant | ACLE Services delivered engineering and balance-of-plant works for Mornington BESS. | |
| Transmission connection infrastructure providerGrid Connection | AusNet delivered connection infrastructure comprising a battery substation, an overhead transmission line and terminal-station upgrades. | |
| Battery technology providerEquipment Supply | CATL battery technology is used in the Mornington storage system. | |
| Capacity Investment Scheme programmePublic Funding And Award | The department announced Mornington's selection in Capacity Investment Scheme Tender 3 in September 2025. | |
| High-voltage testing and commissioning contractorEngineering And Technical | Megavar undertook factory and site acceptance testing, protection, control and battery commissioning for ACLE Services. | |
| Community engagement and compliance consultantConsenting And Environment | NGH prepared the August 2023 complaint investigation and response procedure for the project under its planning permit. | |
| PCS-side switchgear supplierEquipment Supply | Ormazabal switchgear was used on the power-conversion side of the battery installation. | |
| Battery inverter supplierEquipment Supply | Power Electronics supplied inverters for the Mornington battery installation. | |
| Switchgear factory testing partnerEngineering And Technical | SRS Power hosted factory acceptance testing of switchgear for the battery project. |
Supplier registration
Contact page onlyHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Local businesses can describe their skills and services through the project's public contact channel. Supplier engagement is by direct enquiry.
The project invites local businesses to provide details of relevant skills and services through its general contact channel.
SourceChecked 27 Oct 2026