Here's a fun article on a major solar installation for full time boon-docking. First I've heard of someone running A/C off solar.
https://www.solar-electric.com/learning-center/customer-stories-solar-power-allows-for-full-time-rv-boondocking/?utm_campaign=382997_Customer%20Story%3A%20Solar%20Power%20Allows%20for%20Full-Time%20RV%20Boondocking%20Email&utm_medium=email&utm_source=Northern%20Arizona%20Wind%20%26%20Sun&dm_i=4T6X,87IT,21NAT6,UVYO,1
Wow, that is quite a system, comparable to a house roof installation for off grid use. I note that the net cost after tax credits is $15,000. You can buy a lot of fuel to power your generator (which I suspect he has) for that money. But he is helping the environment so who am I to complain.
David