I don't have anything in that range, but when my Lexel 95-4 was working, I had it up to 1.78 watts of 514nm, a very nice almost forest green. Very bright.
I've got a 4W ion laser, and the frothy chip has worked with a 10W green before. Anything much higher than that and you'd need to go to PL. There are a few 10W copper lasers,a few high power ions, a few 40W greens, and other goodies.