The solar residential cost depends on system size, roof condition, and geographic location. On average, a residential solar system costs between $15,000 and $25,000 after tax incentives. Monocrystalline panels, while more expensive, offer higher efficiency, while polycrystalline panels provide a more budget-friendly option. Factors like available sunlight, installation complexity, and... https://solarsme.com/solar-panel-cost/