# Muchea Battery.

Publisher: CapexCue
Canonical dossier: <https://capexcue.com/projects/muchea-battery-f0cd1710-9f3/>
Dossier reference: release 1 (b216df4f-cfc5-46ae-9474-48256c31d139)

Released project intelligence

Oldest supporting observation: 2026-10-17T12:41:56.358285+00:00
Dossier released: 2026-10-17T12:52:42.001134+00:00
Source report dates and capture dates are listed per fact below; neither establishes an event date.

## Project summary

Neoen’s announcement dated 1 October 2025 describes Muchea Battery as a planned 164 MW / 905 MWh installation of 252 Tesla Megapack 2XL units in Muchea, with a planned connection to the existing Muchea substation. Neoen reported issuing notices to proceed to Tesla and UGL, signalling the start of construction. The announcement says the project is backed by the Australian Government’s Capacity Investment Scheme and is planned to provide grid-stability and reliability services during evening peaks once operational.

## Evidence limits and unknowns

- The 1 October 2025 announcement reports the start of construction but does not establish current construction status, current procurement availability, an open supplier package, or a project budget.

Current purchasing availability: unknown.
Source-dated plans do not establish current progress or available supplier packages.

## Project metadata

Country: Australia
Region: Oceania
Physical assets: Battery Storage
Derived from the exact released evidence; unresolved fields remain unclassified.

## Project category

Energy
Derived from the reviewed sector statement; delivery stage remains unclassified.
Battery energy storage.
Source: australia.neoen.com — https://australia.neoen.com/en/news/2025/neoen-launches-first-6-hour-battery-in-muchea-delivers-collie-battery-2-both-in-western-australia/ | published unknown | observed 2026-10-17T12:41:56.358285+00:00

Project overview
Oldest decisive evidence: 2026-10-17T12:41:56.358285+00:00
Newest evidence: 2026-10-17T12:41:56.358285+00:00
Knowledge reviewed: 2026-10-17T12:50:38.161248+00:00
Publication reviewed: 2026-10-17T12:51:57.928603+00:00

## Date
The announcement is dated Sydney & Paris, 1 October 2025.
Status: reported
Attribution: australia.neoen.com
Source: australia.neoen.com — https://australia.neoen.com/en/news/2025/neoen-launches-first-6-hour-battery-in-muchea-delivers-collie-battery-2-both-in-western-australia/ | published unknown | observed 2026-10-17T12:41:56.358285+00:00

## Name
Muchea Battery.
Status: reported
Attribution: australia.neoen.com
Source: australia.neoen.com — https://australia.neoen.com/en/news/2025/neoen-launches-first-6-hour-battery-in-muchea-delivers-collie-battery-2-both-in-western-australia/ | published unknown | observed 2026-10-17T12:41:56.358285+00:00

## Scope
A planned 164 MW / 905 MWh battery comprising 252 Tesla Megapack 2XL units, connecting to the existing Muchea substation.
Status: planned
Attribution: australia.neoen.com
Source: australia.neoen.com — https://australia.neoen.com/en/news/2025/neoen-launches-first-6-hour-battery-in-muchea-delivers-collie-battery-2-both-in-western-australia/ | published unknown | observed 2026-10-17T12:41:56.358285+00:00

## Sector
Battery energy storage.
Status: reported
Attribution: australia.neoen.com
Source: australia.neoen.com — https://australia.neoen.com/en/news/2025/neoen-launches-first-6-hour-battery-in-muchea-delivers-collie-battery-2-both-in-western-australia/ | published unknown | observed 2026-10-17T12:41:56.358285+00:00

## Activity
Neoen reported that it had provided notices to proceed to Tesla and UGL, signalling the start of construction.
Status: reported
Attribution: australia.neoen.com
Source: australia.neoen.com — https://australia.neoen.com/en/news/2025/neoen-launches-first-6-hour-battery-in-muchea-delivers-collie-battery-2-both-in-western-australia/ | published unknown | observed 2026-10-17T12:41:56.358285+00:00

## Delivery
Once operational, the battery is planned to provide grid-stability and reliability services during Western Australia’s evening peaks.
Status: planned
Attribution: australia.neoen.com
Source: australia.neoen.com — https://australia.neoen.com/en/news/2025/neoen-launches-first-6-hour-battery-in-muchea-delivers-collie-battery-2-both-in-western-australia/ | published unknown | observed 2026-10-17T12:41:56.358285+00:00

## Location
Muchea, Western Australia, within the Shire of Chittering and on Whadjuk Country; planned connection to Western Power’s existing Muchea substation in the South-West Interconnected System (SWIS).
Status: reported
Attribution: australia.neoen.com
Source: australia.neoen.com — https://australia.neoen.com/en/news/2025/neoen-launches-first-6-hour-battery-in-muchea-delivers-collie-battery-2-both-in-western-australia/ | published unknown | observed 2026-10-17T12:41:56.358285+00:00

## Developer
Neoen.
Status: reported
Attribution: australia.neoen.com
Source: australia.neoen.com — https://australia.neoen.com/en/news/2025/neoen-launches-first-6-hour-battery-in-muchea-delivers-collie-battery-2-both-in-western-australia/ | published unknown | observed 2026-10-17T12:41:56.358285+00:00

## Contractor
UGL is identified as the construction contractor.
Status: reported
Attribution: australia.neoen.com
Source: australia.neoen.com — https://australia.neoen.com/en/news/2025/neoen-launches-first-6-hour-battery-in-muchea-delivers-collie-battery-2-both-in-western-australia/ | published unknown | observed 2026-10-17T12:41:56.358285+00:00

## Source Program
Backed by the Australian Government’s Capacity Investment Scheme; the article also says Muchea holds a Capacity Investment Scheme Agreement.
Status: reported
Attribution: australia.neoen.com
Source: australia.neoen.com — https://australia.neoen.com/en/news/2025/neoen-launches-first-6-hour-battery-in-muchea-delivers-collie-battery-2-both-in-western-australia/ | published unknown | observed 2026-10-17T12:41:56.358285+00:00


## Cite this dossier

CapexCue — Muchea Battery. — dossier released 2026-10-17T12:52:42.001134+00:00, release 1 (b216df4f-cfc5-46ae-9474-48256c31d139) — https://capexcue.com/projects/muchea-battery-f0cd1710-9f3/.

For current information and later dossier updates, visit <https://capexcue.com/projects/muchea-battery-f0cd1710-9f3/>.
This file records the release identified above; the current dossier may change.