[{"data_type":"bookmark","bookmark_url":"http:\/\/www.roofray.com","bookmark_desc":"What's Your Solar Potential? - RoofRay","bookmark_notes":"Enter an address, use Google Maps to \"draw\" a solar panel on your roof, and calculate the cost and savings that would result. In my case it was disheartening -- it would take at least 20 years for the system to pay for itself, even assuming I used very little energy. It estimates a cost close to $60K to install photovoltaic panels on my roof.","ub_date":"1229033059","bookmark_date":"1221862343","tags_str":"energy<\/a>, environment<\/a>, finance<\/a>, home<\/a>, money<\/a>, tools<\/a>, utilities<\/a>","se_id":"whats-your-solar-potential-roofray","user_name":"nbr","user_img":"cartoon_scowl.jpg","user_count":"1"}]