Many townhouses require flat roofs to tilt solar panels for optimal sunlight. You must space the panels two feet apart to avoid shading and ensure they work well. But hold on, it's not always that simple. A lot of us townhouse dwellers enjoy the cozy community vibe and the conveniences of shared amenities. But when it comes to making changes like getting solar panels for the house. . Installing solar panels on townhouse properties is becoming more common, but it comes with a few unique considerations. From roof space and structural design to homeowners association (HOA) rules, there are several factors to review before making the investment.