A basic control cabinet for a small solar installation may cost around $1,000, while larger, more complex systems can exceed $10,000. The specification of components like inverters, breakers, and monitoring equipment will largely impact the overall cost.
Most homeowners and businesses hire a qualified technician for this job, and for good reason: a single visit that covers cleaning, inspection, and minor tune-ups typically runs anywhere from $300, depending on system size, roof access, and any repairs uncovered.