I'm moving down to rincon with 3 other friends in october one of the houses we're looking at renting doesn't include water and energy. Could anyone give me an idea on how much we would be paying per month for utilities?
That is hard to say, it depends on usage, how efficient the electric appliances are, AC use, etc. Assuming your friends currently live with you at this moment which may be wrong, I suggest you look at your KWH (Kilo Watt Hours) in the last year or so, pick the average used per month then multiply that by .22 (cents). That should give you an idea of the bill size.
If you all live apart, add all the kwh together lets call that MAX.
Then multiply by .60 and by .22 after, that will give you a low end of a range,
Repeat by multiplying MAX by .75 and by .22, that should give you the upper range. IÂ suggest a range since you will have 1 refrigerator instead of 4, and 1 stove instead of 4, and 1 water heater instead of 4, all other will be similar. Try it and let me know if it was close to right.