Both water and electricity are low in price, your bill will depend on whether you have aircon, how many hours per day you have your water heater on etc. it is worth buying a timer from the Chino or our own supermarket and having your water on for so many hours per day...some people have it on all the time! i have mine on a maximum of 2 hours daily in Summer. what I would say is both have a fee for becoming new customers....1 is about 160 Euro and the other aout 200 Euro. You pay the town hall 120 Euro ( approx ) every July as a property tax as well.
Water bills are quarterly and come out ( in theory) July/ October/ January. I would hope this will be less than 40 Euro.
Electricity is bi monthly and is due at the end of August and then October, December, February etc. i am for 6 weeks in Summer and mine works out about 50 Euro per month..but I have no aircon. i keep my patio doors open and use a fan as required.
Community charges are again quarterly and are next due in October and then January.
I turn my electricity and water off when I go back to UK.
Hope this helps, at least a little....