Frequency and ancillary services market

In another thread I said that we still don't know how much income Tesla is making from the big battery in South Australia.

Well according to this article some details are starting to emerge and they look pretty good.

https://reneweconomy.com.au/the-stunning-numbers-behind-success-of-tesla-big-battery-63917/

Someone might be able to tell me, does a merchant agreement at Northam put CCE in a position to outperform companies that are locked into PPA agreements in a similar way that Tesla has?

I am thinking it probably does but they would need to add a decent sized battery energy storage system.