@armorfirelady
Are you looking to run the heat on direct solar power or are you wanting to have a battery to keep the electric running all night long?
I figured it would need a battery so that it would run all night since I don't want the food & water to freeze during the night. I think it would take awhile to defrost in the morning
Thank you for the info. I am going to print it out & see what I can find. And thanks for the book suggestion. I would love to get more off the grid if I could.If you don't have a battery to run the dog bowls during darkness, I think you'd be defeating the whole purpose, because generally at night is when the temps are lowest. You can go to Tractor Supply Co and get a Thunderbolt Magnum Solar 45 watt solar kit that includes the solar panels,, (2) 12v dc lightbulbs with wiring, and a charge controller that has 12v, 3v and 6v dc outlets and a 5v USB outlet (cost about $130 to $190 for the kit, depending on if you catch it on sale). I have an older model of this and that charge controller also had a built in ac outlet. I use this setup in my shed/chicken coop to provide lighting (also have it hooked into a deep-cycle battery). With the current setup they're selling you'd also need an inverter. I like having the solar panels because I know that even in a power failure I can still run vital things off battery power (can charge my phone, have light, etc) even if I can't run the gasoline generator. The solar panels are pretty much install and forget, the only thing that really needs maintenance is the battery, which I check twice a year.
If you are serious about off-grid power, I highly suggest a book called Living on 12 Volts with Ample Power http://www.amazon.com/Living-Volts-With-Ample-Power/dp/0945415052 You can find it other places besides Amazon.