JiminDenver
You are correct, he is doomed. Once the roof is filled, he will get additional portables to move about and adjust. We have a friend who travels in a camper with a motorcycle carrying trailer and has 1.8 kW of panels.
Reed and Elaine
2006 Chevie 3500 diesel 4x4 (dualie) w/45 gallon Tranferflow
34' Open Range 337RLS
1.4 kW of solar ("but honey, we could put two more 235 W panels on top!")
TriStar MPPT-45 (power arrives at controller at 90 V)
8.6 kW-hr LFP (48 V nominal)
Magnum 4.0 kW PSWI
Mean Well 48 to 12 V converter (508 W)