Plan: Origin plans to construct a 300 MW / 650 MWh grid-forming battery using SMA inverters. It is planned to be commissioned with grid-forming functionality enabled, tuned to improve system stability in Victoria, and operated with that functionality enabled at all times.
Reported status and procurement
Reported development
Battery storage (primary project activity).
Procurement availability
Unknown / not established
A source report alone does not establish current progress or an open buying window.
Project summary
ARENA's project listing describes a planned 300 MW / 650 MWh grid-forming battery at Mortlake Power Station in Mortlake, Victoria, with SMA inverters. Origin Energy Power Limited is listed as the lead organisation. The listing reports $24 million in ARENA funding and a total project cost of $417 million. It lists project dates of 1 February 2024 to 30 April 2029 and says the page was last updated 29 May 2024.
Evidence limits and unknowns
The source, last updated 29 May 2024, does not establish whether construction has started, whether the project has been completed, or its current status.
The source does not state procurement status, supplier purchasing availability, or a buying window.
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Project metadata
Country
Australia Based on reviewed release evidence
Region
Oceania
Category
Energy Derived from released evidence
Physical assets
Battery Storage
Based on this release's supporting evidence. Unresolved fields remain unclassified; these labels do not establish current progress or a buying window.
Released facts and supporting evidence
Each fact retains its source, uncertainty and time context. If a publisher page moves or is unavailable, use the recorded quotation and observation date below.
Date
Source reported
Listed project start date: 1 February 2024; listed end date: 30 April 2029. ARENA page last updated: 29 May 2024.
Attributed to arena.gov.au.
Source: arena.gov.au · publication date not recorded · observed 2026-10-15
Sources and evidence · arena.gov.au
Source published: Not recordedObserved: 2026-10-15
Origin plans to construct a 300 MW / 650 MWh grid-forming battery using SMA inverters. It is planned to be commissioned with grid-forming functionality enabled, tuned to improve system stability in Victoria, and operated with that functionality enabled at all times.
Attributed to arena.gov.au.
Source: arena.gov.au · publication date not recorded · observed 2026-10-15
Sources and evidence · arena.gov.au
Source published: Not recordedObserved: 2026-10-15
Prior and superseded states remain labelled. Dates below identify source publication when known, otherwise source observation. They are not assumed event dates; each fact retains its own time qualifications.
No material timeline events have been released.
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