Shading and orientation: The amount of shading as well as orientation of the roof toward the Sunlight can effect the efficiency of the solar panels. When your roof is partly shaded, you may need to have to take a position in micro-inverters or power optimizers to take care of performance, https://californiasolarservices.politics.blog/2024/08/23/what-should-you-consider-when-hiring-commercial-solar-contractors/