A solar installer builds and maintains rooftop and ground-mount PV systems, so the job is part carpenter, part electrician's helper, part safety officer. You can start with a high school diploma and no experience: most people get hired as a helper or laborer, learn on crews, and grow into lead installer, then electrician, designer, or crew manager. This roadmap teaches you why a system works before you touch one: basic electricity, then safety and roof work, then the National Electrical Code (NEC) rules that govern PV, then real installs, then troubleshooting and leadership. Everything here is
See the full roadmap free
Every stage from beginner to expert, with lessons, practice drills, projects, interview questions and free resources. Free with a Rolearch account.
Stage 1 of 3 · about 8 weeks
Understand how a PV system turns sunlight into usable power, work safely at height, and use basic tools and math with confidence.
Basic electricity: voltage, current, resistance, power
Every task you do, from checking polarity to sizing wires, rests on Ohm's law and power. If you know that watts = volts x amps, you can understand why a string of panels has high voltage and why that is dangerous.
Solar PV system basics
You need to know what each part does: modules, racking, flashing, microinverters or string inverters, optimizers, combiner boxes, disconnects, and the utility meter. When something fails, you trace the path of power through these parts.
Jobsite safety and fall protection
Falls from roofs are the biggest cause of death in this trade. Electrical shock is second. OSHA rules exist because people were hurt, so learn them as habits, not paperwork.
Hand and power tools and construction math
Racking layout depends on measuring, squaring, and finding rafters. A small error early in a layout means every module is off later.
Then 2 more stages (about 36 weeks in all) with lessons, drills, projects, 6 interview questions with strong answers and free resources.