whats up buddy i was asking the same question about the power use and everyone said dont worrie about a 600 but to cut down on other power uses around the house now i havent grown yet nor do i have any lights but i really would like to oneday just a lil worried myself because the storys iv heard of the po po lookin at peoples useage and geting a warrant....but everyone says 600 is small and the people that get caught up is for stealing or running like 5-10 1000 watters so i guess you shouldnt worry but we can never be to carful right well take it easy bud<----no pun intended and post a grow up if ya can i want to see what them 600 watters can do! PEACE