from experience, no matter how 'many' panels you have, if you don't have the right storage capacity, i.e. BATTERY amp hours, then it's all for naught, as you'll have plenty of sun during the day, possibly, but no where to 'store' the great sun you are receiving, leaving you, again, very little for the overnight hours.
try this first: double your House Battery bank - it's simple, easy, and you don't need to worry about 'the sun', parking in the shade, or what size solar controller you have... if, of course, you have somewhere to 'put' these new batteries.
After you increase your battery storage capacity, and see how you can then 'camp' without external power, you'll then find out if adding solar makes sense.
also, when you are dry camping with other RVrs, they understand your need for the generator, as they probably run theirs, too... it's normal. If you run your generator for an hour or so toward the end of the daylight hours, you'll probably fully charge your battery bank and will have plenty for the overnight and even early morning wake up hours.
: ) enjoy...
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the Turners...
two Campers, two Electric cars
former diesel pusher traveler
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