We are the official NABCEP PVA training partner of the2021 NABCEP CE Conference!
It varies widely depending on the course, the time of year and the demand for that particlar topic at any given time. In general our premium instructor-led courses typically have between 5 and 50 students. We have had courses with as many as 500 students in them, like our Solar District Cup course for the US Department of Energy. Our free short courses have had tens of thousands of enrollments.