We learned quite a bit from these folks. They are using the hyperadobe method of building for their homestead. There are some great videos on their youtube channel. Definitely check them out.
Will Prowse is the man when it comes to solar. There is a treasure trove of information on his youtube channel. Before you purchase any solar equipment, check out his videos. You'll be glad you did.
This blog is maintained by Kelly Hart who worked with Owen Geiger (the earthbag building guru) before he passed away. If you're considering building with earth, definitely check this site out. It is filled with very helpful information.