What is the latest status of the project “Koolunga Battery Energy Storage System (BESS)”?

The status recorded for “Koolunga Battery Energy Storage System (BESS)” is under construction.

What is the budget and commercial profile for the project “Koolunga Battery Energy Storage System (BESS)”?

Taiyo normalizes the budget of “Koolunga Battery Energy Storage System (BESS)” to USD 110000000.

Where can I verify the source and access all details for “Koolunga Battery Energy Storage System (BESS)”?

This Taiyo project page references ESS News along with the original URL (https://www.ess-news.com/2026/04/28/equis-taps-genusplus-as-epc-for-200-mw-800-mwh-koolunga-bess-in-australia/). Taiyo standardizes official data into a consistent, searchable project profile.

Koolunga Battery Energy Storage System (BESS)

Sector: Energy Storage • Location: Koolunga, South Australia, Australia

Source: ESS News

Project

Under Construction

The Koolunga BESS is a 200 MW / 800 MWh battery energy storage system being developed by Equis Development in South Australia. It will connect to the electricity grid via a 1.2 km HV cable to the 275kV Brinkworth Substation. Construction is set to start shortly with a planned completion date in September 2027.

Status: Under Construction
Sector: Energy Storage, Power Generation (CCGT)
Location: Koolunga, South Australia, Australia
Updated: 22 Jul 2026
Source: ESS News

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Project Information

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The project “Koolunga Battery Energy Storage System (BESS)” is an infrastructure initiative in the Energy Storage sector, located in Koolunga, South Australia, Australia. Taiyo aggregates data on it from ESS News.

Participants

Not available for this record.

Status

Original status	under construction
Taiyo status	Under Construction
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

Description	The Koolunga BESS is a 200 MW / 800 MWh battery energy storage system being developed by Equis Development in South Australia. It will connect to the electricity grid via a 1.2 km HV cable to the 275kV Brinkworth Substation. Construction is set to start shortly with a planned completion date in September 2027.
Original sector	Energy Storage
Budget

Location

Country	Australia
State	South Australia
City	Koolunga

Source

Source	ESS News
URL

More Details

Record type	Project
Sector	Energy Storage, Power Generation (CCGT)
Article published date	2026-05-01

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Koolunga Battery Energy Storage System (BESS)

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