Battery storage: an initial 100 MW/129 MWh installation, followed by a 50 MW/64.5 MWh expansion; the source says the full 150 MW was upgraded with Tesla’s Virtual Machine Mode to provide inertia support.
Reported status and procurement
Reported development
The source reports that the battery provides essential grid-support services and stores energy for delivery to the grid when needed.
Procurement availability
Unknown / not established
A source report alone does not establish current progress or an open buying window.
Project summary
Hornsdale Power Reserve is a grid-scale battery storage asset near Jamestown, South Australia, adjacent to Hornsdale Wind Farm. Its initial 100 MW/129 MWh installation was completed in November 2017, followed by a 50 MW/64.5 MWh expansion completed in September 2020. The source says the 150 MW facility was upgraded to provide inertia support. The source also reports that the battery provides grid-support services and stores energy for delivery to the grid when needed.
Evidence limits and unknowns
The page documents completed work in November 2017 and September 2020 but does not establish whether a current procurement package, further planned expansion, budget, or supplier opportunity exists.
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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
Reported as actual
The initial 100 MW/129 MWh was completed in November 2017; the 50 MW/64.5 MWh expansion was completed in September 2020.
Attributed to hornsdalepowerreserve.com.au.
Source: hornsdalepowerreserve.com.au · publication date not recorded · observed 2026-10-17
Sources and evidence · hornsdalepowerreserve.com.au
Source published: Not recordedObserved: 2026-10-17
Battery storage: an initial 100 MW/129 MWh installation, followed by a 50 MW/64.5 MWh expansion; the source says the full 150 MW was upgraded with Tesla’s Virtual Machine Mode to provide inertia support.
Attributed to hornsdalepowerreserve.com.au.
Source: hornsdalepowerreserve.com.au · publication date not recorded · observed 2026-10-17
Sources and evidence · hornsdalepowerreserve.com.au
Source published: Not recordedObserved: 2026-10-17
Approximately 15 km north of Jamestown, South Australia, next to the Hornsdale Wind Farm; the source also describes it as about a three-hour drive from Adelaide.
Attributed to hornsdalepowerreserve.com.au.
Source: hornsdalepowerreserve.com.au · publication date not recorded · observed 2026-10-17
Sources and evidence · hornsdalepowerreserve.com.au
Source published: Not recordedObserved: 2026-10-17
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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