25 cents an hour is pretty reasonable - looks like Albuquerque is $0.13/kWh in the summer, $0.09-0.11/kWh otherwise. If you charge faster than 2-2.8 kW (say, with the 3.3 kW Empulse) then you're charging cheaper than at home.
For small chargers - Enertia, Zero, etc.. it's a little expensive. But if it means more sockets are available, then I'm all for it..