Quote Originally Posted by WashougalWonder
led's are that big?
If they're using a bank of 1W diodes, yes, they're massive. They can be the size of a full T5HO high-bay, EACH.

On the other hand, that's a TON of money to drop. I'm wondering if he meant he had 16 600w EQUIVALENTS, which would be 16 120w panels.

600w LED panels worth their salt are going to run you about fifteen hundred bucks each, even in bulk quantities.