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by slyall 858 days ago
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-...