We buy all our utilities from the city of Tallahassee. Every month you get one bill. It covers - electricity - gas - water - sewer - garbage - fire protection - and runoff.
Talgov.com presents pretty extensive track of your utility information. You can access it at talgov.com. This is our October bill for the new 3600 sq ft house. Add another 1000 feet for the garage that has a vent fan. It costs us $147 for electric - gas - water - sewer. We leave the AC at 75 - we leave a ton of LED lights on all night on the garage and porches. It has R60 insulation in the roof - and R30 in the walls. There are no penetrations in the 3/4 inch plywood roof. The six inch walls are filled with liquid foam insulation also. It has a Rennai gas water heater - gas fireplace - gas range. Breakdown of bill - electric $78 - gas $21 - water $13 - sewer $37 = total $147.
Both the house and garage were constructed by Gary Shiver - he has been building homes in Tallahassee for 35 years.