pretty much,you are good to use up to 1,000 watts per room in your spot without putting up a red flag.w/ that little area,no,you will be fine.veg under some flours during veg,and when its time to flower,you could just use a 400 or 600 watt hps,the main thing when growing in a closet that small,is good ventilation and keeping the heat around 70-80 degrees.most of us like air cooled hoods also,if not then at least a cool tube to remove the hot air around the bulbs out of the room,or outdoors.hope this helps ya out-later