Varies by system size: e.g., a 10 kW system (covering $160/month bill) needs ~650 sq ft roof mount or 0.014 acres ground mount; a 50 kW system (covering $680/month bill) needs ~3,250 sq ft roof or 0.069 acres ground mount.
Depends on your electricity usage. Paradise Energy analyzes your electric bills and designs a system considering usage, shading, orientation, and other factors.
