BW ESS Acquires 250 MW/1,000 MWh Yanco BESS from Australian Developer ACEnergy

Published: Aug 31, 2026 18:42

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Global storage owner-operator BW ESS has acquired the Yanco battery energy storage system from Australian renewable energy developer ACEnergy, the companies announced on August 13, 2026. The project, located in New South Wales, is configured at 250 MW/1,000 MWh with a four-hour duration, positioning it to capture value across energy arbitrage, frequency control, and ancillary services in the Australian National Electricity Market (NEM). The transaction reflects continued international capital interest in Australian grid-scale storage assets, as the country's coal retirement timeline and renewable penetration drive urgent demand for flexible capacity. For ACEnergy, the sale represents a capital-recycling event to fund new greenfield development, while BW ESS expands its operational footprint in one of the world's fastest-growing storage markets.

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