My wife and I are in the middle of doing a similar project. Ours is an off grid 400 square foot
cabin running an air conditioner, fridge, water pump, exhaust fans and lights. We're planning to do batch solar hot water heater with backup tankless gas water
heaters. The wiring is complete and we just hooked up the
solar power system a few days and everything seems to be working.
I didn't find any sources that combined indoor wiring and setting up a solar power system. Here are some
books I found useful:
General Electricity/Solar Power Concepts
Off Grid Power by Chris Haynes
Wiring
Wiring Complete by Michael Litchfield
Wiring a House by Rex Cauldwell
Solar Power System Setup
Youtube (Will Prowse has some really good videos)
We got the following kit and a battery bank from Northern Arizona Wind and Sun:
Off-Grid Solar Power Kit With 3,900 Watts of Panels and 4,400 Watt 48VDC 120/240VAC Inverter Power Panel
https://www.solar-electric.com/off-grid-solar-kit-ogk-007-me-48v.html
Here's a
video of our wiring process:
I'll hopefully post a video about setting of the solar power system in the next couple of weeks.
Altogether, it was a pretty involved process that took a fair amount of research and time.