Joe Villacci specializes in system design, installation methods, and performance verification of solar electric systems. He works as a technical trainer and curriculum developer for Solar Energy International. Joe also provides system design, commissioning, and troubleshooting services through his company, OnSight Solar Electric Services, and SEI Professional Services. He is an IREC Certified Master Trainer/PV and NABCEP certified PV installation professional.
Last Updated: Jul 2, 2016