Assume you mean on the airstream vs a residential grid-tie system....
GMFL (Ronnie) likely. 1000w up top of his 30’ globetrotter using the new zamp solar obsidian panels. I believe he also as 800ah of lithium storage as well.
GMFL install:
https://www.airforums.com/forums/f37...ar-210366.html
I’ve got a solid 800w and 600ah. We run full residential power all the time. Can run the air conditioner for 2.5 hours or so, and use it often during rest / lunch stops on longer travel days. Solar puts back about 250ah per day of energy into the batteries.
Am solar did an install of 3000w for a mobile recording studio but most of that was deployed on the ground....