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The Wooreen BESS is sized at 350MW/1,474MWh with 4-hours of storage duration. Image: Zenviron (via LinkedIn).

Wärtsilä completes delivery of 1,038 Quantum units to 1,400MWh Wooreen BESS in Australia

July 22, 2026
All 1,038 Wärtsilä Quantum battery units have been delivered and installed at the 1.4GWh Wooreen BESS in Victoria, Australia.
The Wooreen BESS was once touted as Australia's first 4-hour duration system. Image: EnergyAustralia.

Zenviron wins contract for 350MW 4-hour BESS in Victoria, Australia

February 25, 2025
Balance-of-plant (BOP) contractor Zenviron has secured a contract with EnergyAustralia to provide balance-of-plant design, construction, installation, and commissioning of a 350MW battery energy storage system in Victoria, Australia.
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