Another edition of our news in brief from around the world in energy storage.

Compressed air long-duration energy storage (A-CAES) solution provider Hydrostor has chosen Kiewit to provide engineering and design studies for its 500MW Willow Rock Energy Storage Center in California, US.

Spanish multinational Naturgy has bought a large-scale hybrid solar-plus-storage project in development in Australia.

Equinor has led an investment round for a flow battery manufacturer and Uniper will carry out a megawatt-scale flow battery pilot project.

Expressions of Interest have been invited for so-called ‘round-the-clock’ renewable energy projects in India by NTPC Vidyut Vyapar Nigam.

A state-owned power company has begun the construction phase of a 35MW grid-scale battery storage project in Australia’s Northern Territory.

Increasingly, microgrids often lean on battery storage as a key component, replacing or reducing reliance on diesel and other fossil fuels.

Alfen has been contracted to supply a battery energy storage system (BESS) in Sweden for electricity network company Ellevio.

Powin Energy has entered a partnership with developer Akaysha Energy to deploy battery storage systems in Australia.

The US government Department of Energy has begun implementation of a programme to support battery recycling.