Do private utilities have any incentive to be cheap?
The reason we have utility regulations in the first place is because utilities are natural monopolies with literally zero incentive to be cheap. On the contrary, they are highly incentivized to push up prices as much as possible because they have their customers over a barrel.
...which is unusual with many utilities, but is also pretty common with wireless carriers in much of the world.
"public utility" implies it's owned by the public not a profit seeking group of shareholders.
If you want to say its worse, perhaps you should check if its actually worse first.
Conversely, Texas has significantly above average use per capita, spreading the fixed costs across more kWh, but still results in higher annual costs per capita, despite lower per kWh rates.