A good rooftop solar project starts with your electricity bills—not a panel catalogue. Review a full year of consumption, sanctioned load and daytime usage before deciding capacity.
A professional survey checks shade, structure, cable routes, earthing and access. The design should balance annual generation with your consumption and the local net-metering rules.
Compare proposals on equipment traceability, engineering, safety, warranties and after-sales support. The cheapest initial quote is rarely the lowest lifetime cost.