Advanced Calculator
Calculate Your Solar ROI
Get a personalized solar investment analysis with our comprehensive calculator. Adjust every variable to match your exact situation.
Location
System Configuration
6 kW
2 kW 25 kW
$
30°
Financial Settings
$3.00/W
$
Analyzing solar potential...
Your Solar Investment
Real-time calculation
Annual Savings
$1,350 /year
Payback Period
9.3 years
25-Year Net Savings
$21,250
Total ROI
169%
Cost Breakdown
Gross System Cost $18,000
Federal Tax Credit (30%)
ITC -$5,400
State/Local Incentives -$0
Net System Cost $12,600
System Production
Annual Output
9,000
kWh
Monthly Avg
750
kWh
LCOE
$0.05
per kWh
Environmental Impact (per year)
🌍
6.3
tons CO₂ offset
🌳
104
trees equivalent
🚗
14,200
car miles offset
How We Calculate
NREL Data
Solar irradiance from National Renewable Energy Laboratory satellite measurements.
Industry Standards
PVWatts-based calculations with 14% system losses and 0.5% annual degradation.
Current Incentives
30% Federal ITC (through 2032) plus state-specific rebates and credits.