Image source: SF Solar Map

This cool, interactive solar map put out by the San Francisco Department of the Environment lets you identify exactly where and how many solar panels are on houses in San Fran. Even better than that, the site has a search tool where you can enter your address and it will identify how much roof surface your house has, the potential size of a pv system and an estimated cost to max out your roof with solar.

What a great selling tool for people interested in purchasing PV, but are unsure whether they have the right roof for solar. Neighbors can see who in their are...