OrangeMan~ a 1000 watt light can be used on a regular 15 or 20 amp circuit in your house. They take up a ton of energy, so be ready for an increase in your electricity bill if you do decide to run one. I reccomend you do a bit of research on electricity and how it works, then you could better understand how to run a 2000 watt grow. You need to bring more circuits into the room, as you can't rely on the one 20 amp circuit to run all your shit

15 amp circuit can handle 1800 watts
20 amp circuit can handle 2400 watts