This document describes the recommended training requirements for entry-level technicians to meet industry expectations and minimum standards on training and competency. Over the next few weeks, we will delve deep into the principles, technologies, analysis, demonstrations and practical applications that define modern solar. . photovoltaic installation industry. At its core, PV relies on the principle of the photovoltaic effect, where certain materials generate an electric current when exposed to sunlight. This. . progress made in solar power generation by PV technology.