Because there's this belief that a for-profit company will naturally be more efficient. No idea if that's actually true in practice though. Or if efficiency > the profits the company takes.
I don't know of any large community ran utilities, just small ones. I'm guessing the scale starts being a problem eventually.
They can be efficient, but I ly if the incentives align towards the desired definition of efficiency.
If you give a company a natural monopoly and protection from competition. Then it's most efficient way to make money is just to raise rates
They basically are. It really isn’t anything resembling an open market. They are effectively extensions of the state that happen to be funded by user fees rather than general funds.
I don't know of any large community ran utilities, just small ones. I'm guessing the scale starts being a problem eventually.