Hi Guys, And I wondered if the roof of our Airstream was overloaded with 4 solar panels (75 watts each). This 38 story NYC building - The Helena has her entire roof covered with 132 solar panels (110 watts each). What a sight to behold. http://www.renewableenergyaccess.com/rea/market/business/viewstory;jsessionid=a3QsJNbRgGae?id=37871 Terry