❓ FAQ
+How many panels do I need?
Average home uses 900 kWh/month. At 5 peak sun hours and 400W panels: about 15-20 panels.
+How much roof space per panel?
Standard panel is about 17.5 sq ft (65" × 39"). 20 panels need about 350 sq ft of suitable roof area.
+What direction should panels face?
South-facing is ideal in the Northern Hemisphere. East/west reduces output by 10-15%. North-facing is not recommended.
+How long is the payback period?
Typically 6-10 years depending on electricity rates, incentives, and sun exposure. Systems last 25-30+ years.