Roger Williams

Since 2002, Roger has worked full-time in the PV industry, predominantly in California, and has been a NABCEP Certified PV Installation Professional since 2007. Roger began as an installer, later working as a foreman, site superintendent and project manager, primarily on grid-direct systems – from small residential to 1MW commercial systems.  Roger has also performed solar-specific quality assurance and operations and maintenance tasks on a thousands of PV sites. As a member of SEIs PV Curriculum Development team and an instructor, he is passionate about spreading the understanding and usage of solar power, in addition to teaching best practices for high-quality, NEC-compliant PV installations.