System sizing, production modeling, shading, equipment selection and warranties, written for solar contractors and the engineers who stamp their plans.
Pick monocrystalline modules, match the inverter to shade and rapid shutdown, and read warranties for labor. Covers degradation, bifacial, MLPE and brands.
A residential install takes 1 to 3 days, but permits, inspection and utility approval set the calendar. See phase timing, who services it and a handoff list.
Divide annual kWh by site yield from PVWatts to get kW DC, then check tilt, azimuth and shade. Includes Orlando tilt data and a design-tool comparison.