SunFusion Solar Calculator System Requirements Monthly Energy Usage (kWh) Zip Code Select Solar Panel Residential Panels QCell Q.PEAK DUO BLK ML-G10+ 410W 410W 25/25 Year Warranty QCell Q.TRON BLK M-G2+ 425W 425W 25/25 Year Warranty CASOL CS6.1-54TM-450H 450W 25/30 Year Warranty MAXON MAX3-415-BLK-R 415W 40/40 Year Warranty Commercial Panels LONGI LR5-72HBD-540M 540W 12/30 Year Warranty REC630AA PRO M 630W 12/30 Year Warranty Installation Type Composition Shingle Concrete Tile Clay Tile Flat Roof Corrugated Metal Ground Mount - Soft Soil Ground Mount - Hard Soil Ground Mount - Extreme Calculate Solar System