Google say they are not planning to operate at a loss. Re Kansas: "Several Google executives at the event were very clear that delivering gigabit internet access over fiber for $70 a month (and even free 5 Mbps fiber) is a business that will not only help advance Google’s consumer goals, but also make it money."

I daresay it depends on what assumptions you make about future sign up rates, cost of capital and the like.

https://gigaom.com/2012/07/26/the-economics-of-google-fiber-...