While the main focus of the Mapawatt Blog is on personal home energy and water conservation, occasionally you may notice a blog on general sustainable issues. The goal here is to help you learn more about sustainability in hopes that you can apply some of those things to your daily life. Every once in a while I also blog for the sustainable business blog, Triple Pundit.
One of the best blogs I've found focused solely on Solar power on the residential/commercial scale is SolarPowerRocks.com. These guys provide excellent information targeted for each state. Recently they came out with a 2009 State by State report card that grades states on how well they are adopting solar power.