Loudblunts is right, just chill, think about it, if you were an energy fiend lol, and you had 2 big screens running all the time, lights on all time, fridge cranked up, heat blazing hot or AC turned to the max. if you were like this and your bill was outrageous you could give a fuck less. but since your growing pot you get paranoid, you feel that right away you will be accused of growing, if you are paying the bill and he hasnt ever bitched, then if it goes up and you continue to pay them i doubt he will care or even notice. plus you arent pulling way to much with that. so if he likes you and you've never had anything negative from him then i would say go with it. just be smart, use much less energy other places, then it wont look so bad. switch your lighting schedule to have the lights run at a different time so the bill increase varies every month. that way he wont be like what!? 79 dollar increase each month?, that is so consistant. he will only get suspicious if you think about it and make it obvious, act as if you did before you grew pot. just be normal, and if he does come over be inviting, just dont let him see your grow.