Solar Home Basics from ASES

This web page from American Solar Energy Society (ASES) covers topics including: 

Solar Energy Basics from NREL

 National Renewable Energy Lab (NREL) covers PV, concentrating solar, passive solar, solar water heating, and other topics.

A Homeowner's Guide to Solar Financing

An overview of leases, loans and PPAs from U.S. Department of Energy and Clean Energy States Alliance.