Surveillance camera warning signs in both Spanish and English on a fence at the Webberville solar project near Austin, Texas. The facility is a 35-megawatt direct current (DC) photovoltaic system on 380 acres and will produce over 50,000 MWh of emission free  solar power annually, enough to power 5000 homes.   June 2012. ©Marjorie Kamys Cotera / Daemmrich Photos