Alinta Enery has begun commercial operation of its 100 MW / 200 MWh Wagerup battery energy storage system in Western Australia, supporting the integration of renewable energy into the SWIS. Image: Alinta Energy Singapore-headquartered gentailer Alinta Enery, a 100% owned subsidiary of Sembcorp Industries, has begun commercial operation of its 100 MW / 200 MWh Wagerup battery energy storage system (BESS) in Western Australia (WA).