Moving into my first house

So around july ill be moving in my first house the apt i live at now is 1k sq ft my house is bigger little over 2k sq ft so i have weird question is the bills like water electric will they around the same as it is now? We arent adding anything new to so i would assume it will be around the same price the heat/ac i know will be highter since its more room to heat/cool off so i expect that to change some its just everything new so im worried and thinking way to much im hoping so save some money when i moved but i feel like ill be spending more money then what i plan sucks cus i dont have family so im sure theres so questions i missed or didnt think about whne i broughtthe house