How to Estimate the Wattage-Based Cost of a BIPV Retrofit for Your Home

A homeowner in Denver, Colorado received two quotes for a 7.5 kW solar installation in late 2025. The first was a conventional rack-mounted rooftop system at $2.75/W installed — $20,625 before incentives. The second was a BIPV roof-tile system at $4.20/W installed — $31,500 before incentives. The BIPV quote looked 53% more expensive. But the […]