Proud recipient of the SOLAR PROFESSIONAL MASTER DESIGN AND INSTALL CERTIFICATION 04/15/2011 In order to receive this certification, Scott Sousa was required to be the principal designer of record for at least 50 completed SunPower Residential systems. Scott has, in fact, completed over 250. This award is the first of it’s kind…no one has achieved this level. SunPower Corp. designs, manufactures and delivers the highest efficiency, highest reliability solar panels and systems available today.