<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">The sad truth is that if a determined, competent thief wants your stuff, it's likely gone. Fortunately, MOST thieves are neither.<div>I use 1/4" stainless steel pop rivets in a situation like this. It takes a grinder to remove them and steal the PV. With a little luck someone will see the sparks from the grinding.</div><div>Bob-O</div><div><br><div><div>On Mar 4, 2011, at 4:46 PM, Nick Soleil wrote:</div><br class="Apple-interchange-newline"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font-family: arial, helvetica, sans-serif; font-size: 12pt; ">The BP oil company installed a ton of solar arrays for cathodic protection in the desert near Bakerfield in the 80s and 90s. They used Arco and Kyocera modules at ~50 watts each. They had a terrible time with theft, so they began welding the modules to the racks and the racks to the steel structures. However, the thieves persisted, by cutting the steel substructures with torches to get the modules. <span class="Apple-converted-space"> </span><br> Eventually, BP brought in the utility power. Too bad. The good thing was that I got to buy the remaining 600 used modules for a good price.<span class="Apple-converted-space"> </span><br><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> </div>Nick Soleil<br>Project Manager<br>Advanced Alternative Energy Solutions, LLC<br>PO Box 657<br>Petaluma, CA 94953<br>Cell: 707-321-2937<br>Office: 707-789-9537<br>Fax: 707-769-9037</div></div></span></div></div></body></html>