Residential Solar Site-Readiness Checklist 1) Electricity Bills - Last 3 monthly bills - Consumer number and tariff category 2) Roof Details - Approx roof size (sq ft) - Photos of roof and nearby obstacles - Any shading from trees, walls, towers 3) Electrical Readiness - Main panel photo - Earthing details if known - Available space near inverter location 4) Project Goals - Monthly savings target - Backup requirement (if any) - Installation timeline 5) Contact Preferences - Preferred contact method - Best time to call