One of the biggest concerns homeowners have before going solar is whether their roof is suitable for solar panel installation. The good news? Most roofs can support a solar system, but certain factors affect energy production and efficiency.

Key Factors That Determine Solar Viability

  1. Roof Orientation & Tilt – In the U.S., south-facing roofs receive the most sunlight, but east- and west-facing panels can still generate plenty of energy. Roofs with a pitch between 15-40 degrees are optimal.
  2. Shading Issues – Trees, chimneys, or nearby buildings can block sunlight and reduce efficiency. Shade mitigation techniques, like microinverters or panel optimizers, can help.
  3. Roof Condition – If your roof is more than 15 years old or needs repairs, it’s best to replace it before installing solar. Some solar companies offer roofing and solar bundle packages for convenience.
  4. Available Space – While solar systems can be installed on most roof types (asphalt shingles, metal, tile), available space impacts how many panels can fit.

Alternatives if Your Roof Isn’t Ideal for Solar

  • Ground-Mounted Systems – If your roof isn’t suitable, solar panels can be installed on the ground in an open area.
  • Carport Solar – Some homeowners install solar panels on carports or pergolas.

Every home is unique, and a professional solar assessment can determine whether your roof is a good fit. If you’re considering solar, contact CJ Yamda at  Solar in one for a free evaluation.