On day one of the Energy Storage Summit Australia 2025, the audience heard that although 2 to 4-hour duration battery energy storage systems (BESS) are favourable, longer durations are starting to challenge this.

Developers entering competitive solicitations for energy storage have been offered advice on how to be successful.

Further developments from the California Independent System Operator (CAISO) market including new standards for BESS maintenance and operation and new BESS capacity announced by SDG&E.

MW Storage has enlisted optimiser Entrix to commercialise 50MW/100MWh of the capacity of a project twice that size in the town of Arzberg, Germany.

The Poland arm of UK-headquartered developer Harmony Energy has sold a 200MW/400MWh BESS project to EDF Renewables Polska.

Thimo Mueller of AEMO Services, believes the value of energy storage in Australia will be higher than investor expectations.

Rio Tinto has penned an offtake agreement to secure 2.1GWh of BESS capacity from an Edify Energy-owned asset in Queensland, Australia.

Developer Cypress Creek Renewables has received a US$133 million financing from First Citizens Bank for the Destiny Storage Project, a standalone battery energy storage system (BESS) in Texas.

The government Department of Energy (DOE) of the Philippines has opened the initial steps of an auction scheme for renewables paired with energy storage.