The Australian battery isn't just making money from Arbitrage. It makes most of it from "Frequency control ancillary services (FCAS)". "80-90% of battery reven

The Australian battery isn't just making money from Arbitrage. It makes most of it from "Frequency control ancillary services (FCAS)". "80-90% of battery revenues have been coming from FCAS and about 10-20% from energy trading."[1] I would assume the amount of FCAS capacity needed will be fairly limited so the economics of additional batteries won't be as good. [1] https://www.energy-storage.news/batteries-are-number-one-at-maintaining-australias-grid-frequency/ https://www.energy-storage.news/batteries-are-number-one-at-...