Invinity Energy Systems and Eos Energy Enterprises are providing long duration energy storage systems to the ‘biggest renewables microgrid project in the US’, being developed for the Viejas Tribe of Kumeyaay Indians in Southern California.
The US state of California is providing US$31 million for a long duration energy storage project combining vanadium flow and zinc-hybrid batteries, the first grant from a US$380 million package.
Duke Energy would still choose lithium-ion for an upcoming 7.3-hour duration energy storage system in Florida if it redesigned the project today, a spokersperson told Energy-Storage.news.
The US government Department of Energy is looking for public input into how US$675 million of funding for R&D into Critical Materials should be best directed.
Eos Energy Enterprises now has an order backlog worth US$457.3 million following a busy quarter for the US zinc-based battery storage solutions provider.