For an overview of what's happening in the California Solar Market, take a look at this article.

California is home to quite a few listed solar companies, like Solar Integrated. So the recent legislative approval of SB1 is very important - listen to this podcast interview with Senator Murray . Solar PV - at least for now - remains very expensive which is why it is so tied up with supportive legislation and politics. So the legislative backdrop to the solar market in any country is a very key consideration.