We pay 16.5 cents a KWH where we are in Yuma. As said there are many variables in the bill. Is there a meter reading charge? Do you let lights on or have decorative lighting? An RV refer on electric isn't very efficient, if running an electric heater or your heat pump this will run up the bill. Also what many folks over look is the 12 volt converter hooked to dead battery constantly trying to charge that battery. Our bill for Nov. 8 thru Dec. 8 was $16.32 which included a $2.00 meter reading charge. Of course we have solar, and use propane for refers and heating. There is so much that can affect that bill. There are several people in this park that have bills at your rate. Also if you have a diesel motorhome, make sure your block heater isn't running. I have seen this several times in the last several seasons.