ACEnergy, an affiliate of the Philippines energy group ACEN Corporation, has secured an agreement of performance standards (5.3.4A notification) from the Australian Electricity Market Operator (AEMO) for the connection the 250 MW/1,000 MWh Joel Joel battery energy storage system (BESS), located in the Shire of Northern Grampians, 23 km east of Stawell in the Wimmera region of Victoria.
The AUD250m (US$162m) project had secured planning approval for a 350 MW/700 MWh battery energy storage facility system, while the notification from the AEMO authorises the connection of a 250 MW/1,000 MWh battery. Construction is scheduled to begin in early 2026, and the battery is expected to be fully operational by late 2027.
In May 2025, the company’s 350 MW/700 MWh Little River BESS project was approved by the Australian State of Victoria through a fast-track procedure.