Talbingo Battery, also described as the Talbingo BESS.
Australia · Energy
In-depth researchRelease 1
Project scope
Proposed grid-connected battery energy storage system rated at 450 MW / 1,800 MWh / 4 hours, with an on-site substation and O&M building. The referral describes planned overhead transmission lines to the Lower Tumut Switching Station; connection type is subject to Transgrid requirements. Associated works include upgrading the Miles Franklin Drive–Snowy Mountain Highway intersection. The referral gives Project Areas A+B as 30.10 ha, a 21.86 ha disturbance footprint and an 8.24 ha avoidance area; it notes these area calculations differ very marginally from the EPBC portal calculations because of GIS software differences.
Reported status and procurement
Reported development
Plan: The proposed lifecycle lists 4 months of pre-construction, 18 months of construction, 6 months of commissioning and post-construction, and approximately 35 years of operation.
Procurement availability
Unknown / not established
Reported regulatory context
EPBC number 2025/10200; the portal displays status “Awaiting Delegate Decision.” The portal also says project status fields may update over the next week.
A source report alone does not establish current progress or an open buying window.
Project summary
Talbingo Battery is proposed as a 450 MW / 1,800 MWh, four-hour grid-connected battery project at Talbingo, with an on-site substation, O&M building, planned grid connection and associated road-intersection works. The portal lists EPBC 2025/10200 as “Awaiting Delegate Decision” and cautions that status fields may change.
Evidence limits and unknowns
In the supplied portal observation (2026-10-17), financing, budget, contractor/EPC, procurement route and purchasing dates are not stated.
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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, Electricity Transmission
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.
Project name
Source reported
Talbingo Battery, also described as the Talbingo BESS.
Attributed to epbcpublicportal.environment.gov.au.
Source: epbcpublicportal.environment.gov.au · publication date not recorded · observed 2026-10-17
Sources and evidence · epbcpublicportal.environment.gov.au
Source published: Not recordedObserved: 2026-10-17
Proposed grid-connected battery energy storage system rated at 450 MW / 1,800 MWh / 4 hours, with an on-site substation and O&M building. The referral describes planned overhead transmission lines to the Lower Tumut Switching Station; connection type is subject to Transgrid requirements. Associated works include upgrading the Miles Franklin Drive–Snowy Mountain Highway intersection. The referral gives Project Areas A+B as 30.10 ha, a 21.86 ha disturbance footprint and an 8.24 ha avoidance area; it notes these area calculations differ very marginally from the EPBC portal calculations because of GIS software differences.
Attributed to epbcpublicportal.environment.gov.au.
Source: epbcpublicportal.environment.gov.au · publication date not recorded · observed 2026-10-17
Sources and evidence · epbcpublicportal.environment.gov.au
Source published: Not recordedObserved: 2026-10-17
The proposed lifecycle lists 4 months of pre-construction, 18 months of construction, 6 months of commissioning and post-construction, and approximately 35 years of operation.
Attributed to epbcpublicportal.environment.gov.au.
Source: epbcpublicportal.environment.gov.au · publication date not recorded · observed 2026-10-17
Sources and evidence · epbcpublicportal.environment.gov.au
Source published: Not recordedObserved: 2026-10-17
EPBC number 2025/10200; the portal displays status “Awaiting Delegate Decision.” The portal also says project status fields may update over the next week.
Attributed to epbcpublicportal.environment.gov.au.
Source: epbcpublicportal.environment.gov.au · publication date not recorded · observed 2026-10-17
Sources and evidence · epbcpublicportal.environment.gov.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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