ESS Inc has recognised revenues for the first time since publicly listing, while closing in on a 750MWh targeted annual production capacity.

Construction has begun of a factory for long-duration flow batteries using iron and saltwater electrolyte in Queensland, Australia.

Iron flow battery company ESS Inc continues to await recognition of revenues, but has “strong confidence” in its trajectory towards profitability.

Energy-storage.news caught up with executives from two long-duration flow battery energy storage providers, ESS Inc. and Invinity Energy Systems, at the Energy Storage Summit 2022.

The implementation of regulative security is all that is needed to bring in investment for long duration storage.

ron flow battery provider ESS Inc has revealed a US$477 million net loss in 2021, in its first full-year results since becoming a publicly-traded company on the New York Stock Exchange (NYSE). 

ESS Inc’s long-duration iron electrolyte flow battery energy storage solution will be deployed in a demonstration and test project in Oregon by utility company Portland General Electric. 

A framework agreement for the deployment of 2GWh of iron electrolyte flow batteries has been signed between manufacturer ESS Inc and SB Energy, the clean energy arm of Japanese telecoms giant Softbank.

Softbank Group’s SB Energy subsidiary is among investors that contributed to a successful US$30 million Series C funding round for ESS Inc, a US-headquartered manufacturer of iron flow batteries that use a proprietary saltwater electrolyte.

Following announcements from various manufacturers of deployments and partnerships in new territories, the latest wave of flow battery news includes an agreement that could put batteries in space for mission critical applications at the likes of NASA and the International Space Station.