What Solar Installers & Designers Do

Solar panel installers — also called PV installers or photovoltaic technicians — plan, design, and install solar energy systems on rooftops, ground mounts, and carport structures. They work across the full spectrum of solar projects: from 6-panel residential add-ons to multi-megawatt commercial rooftop systems and utility-scale farms stretching across hundreds of acres.

The trade requires a combination of electrical knowledge, roofing skills, and physical endurance. Installers work at heights, in direct sun, and must understand both structural load calculations and electrical code compliance. The National Electrical Code (NEC), specifically Article 690, governs solar PV systems, and licensed electricians are required for final connections and interconnection to the grid in most jurisdictions.

At the higher end of the career spectrum, solar system designers use software tools like Helioscope, Aurora, and PVsyst to model energy production, shading analysis, and system economics. Designers work directly with homeowners, commercial clients, and utilities to size systems, select equipment, and produce permit-ready drawings. This role bridges the technical and sales functions and commands some of the highest compensation in the trade.

What makes solar different from standard electrical work

Solar PV is a DC power system — a fundamental difference from the AC systems that electricians typically work on. Understanding charge controllers, string inverters vs. microinverters vs. power optimizers, and battery-ready system design requires specific training. The rapid evolution of panel efficiency, bifacial technology, and integrated storage means continuous learning is part of the job.

Residential solar involves direct homeowner relationships, commission-based compensation in many companies, and the ability to run a lean operation with 2–4 crew members. Commercial solar projects involve competitive bidding, longer sales cycles, and coordination with structural engineers, electrical contractors, and utilities on interconnection. Both tracks offer strong long-term career potential.

The IRA's 30% residential clean energy credit and 30–50% commercial ITC (with domestic content bonuses) have extended strong solar economics through at least 2032, providing unusual career certainty for a trade. With 18,400 open positions nationwide and demand growing 22% annually, the supply-demand imbalance strongly favors skilled installers and designers.