Iron-saltwater flow battery company ESS Inc looks set to deploy by far its largest project to-date, a 50MW/500MWh system at a renewables hub from German energy firm LEAG, with potential for more.

A large-scale battery system has been brought online at the site of the former Hazelwood Power Station coal plant in Victoria, Australia.

The government of Bangladesh and potential investors into energy storage in the South Asian country were handed a European Union-funded roadmap for the technology’s development last week.

Eolian has taken the amount of financing it has raised in just three years since founding to more than a billion-and-a-half-dollars.

Investors Harmony Energy and JLEN have energised battery storage projects in the UK, while the government is considering a VAT exemption for home battery storage.

Multinational energy firm RWE has started construction on two battery storage projects totalling 220MW/235MWh in Germany.

Renewable Power Capital has tied up with Greenfield to deploy 500MW of battery storage in the UK, shortly after a similar deal with Eelpower.

Developer Strata Clean Energy and utility Arizona Public Service (APS) have agreed a 20-year tolling agreement for a 255MW/1GWh battery energy storage system (BESS).

Energy optimisation software provider Peak Power has received US$35 million investment, while startup Financial Machines has launched its own platform, with both targeting the US energy storage market.

Developer BlueWave talked Energy-Storage.news through the opportunities for energy storage in ISO New England (ISO-NE), one of only a few markets where ancillary services are not part of the long-term value stack.