Hi,
It sounds like we have a similar setup to yours, except for propane lights. We put 250 watts of solar up last year, and love the 12 volt lighting - much cooler in the summer! It also runs the computer, and I have a small inverter, that I haven't gotten around to installing yet. I got the system at
Vermont Solar
We use (2) kinds of "non-standard" waste disposal systems, an incinerator toilet from
Storeburn and a composting unit from
Sun-Mar
I hardley ever use the generator, except when running power tools.
Good luck, and have fun!