South GA Solar Power - Sizing Calculator & Funding
Solar Panel Output and System Inverter Sizing Calculator
This calculator is designed to help you determine the number, wattage rating, and output required to power your own system.
Grid-Tie System Cost Guide
System Size (in watts per hour) Monthly Output Capability (based on 5 hours of direct / insulated sunshine per day). Approximate cost, BEFORE subtracting $2,000 Federal Tax Credit, State Tax Credit or local financial incentives.
W/Hr Mth output Approximate Cost
680-1500 100-200 kWh $4,475-$9,500
1500-2800 210-390 kWh $9,500-$15,500
2800-3100 390-510 kWh $15,500-$17,500
3100-4500 510-660 kWh $17,500-$25,000
4500-5000 630-850 kWh $25,000-$27,000
5000+ 850-1200 kWh $27,000+$35,000
These figures are an estimate based on complete solar power systems. Prices are approximate as of August 1, 2007. Prices do not include freight, tax, installation, or auxiliary battery back-up systems.
