Renewable Energy ROI Calculator

System Parameters

Customize the inputs below to match your specific situation.

System Type

System Size 10 kW

1 kW (Residential)500 kW (Commercial)

Installation Cost per Watt

Average US solar cost: $2.50–$3.50/W. Wind: $1.50–$2.50/W

Annual Energy Production (kWh/kW)

Average US: 1,200–1,800 kWh/kW/year. Solar: ~1,500, Wind: ~1,800

Electricity Rate $0.14/kWh

$0.05$0.50

Annual Rate Increase (%)

Historical US average: ~3% per year

Federal Tax Credit (%)

Current US ITC: 30% for residential & commercial solar

System Lifetime 25 years

10 years40 years

Financing Method

Cash Purchase Maximum ROI

Financed Loan 5% interest, 15 yr

Lease / PPA Monthly payments

Annual Maintenance Cost

% of cost

Typical: 1–2% of installation cost per year

Your Results Will Appear Here

Fill in your system parameters and click "Calculate My ROI" to see your personalized savings analysis.

Total Net Savings

Over 25 years of system operation

Net Investment

Total Energy Savings

Return on Investment

0 years

Payback Period

Avg. Annual Savings

0 kWh

Annual Production

Internal Rate of Return

Cumulative Savings Over Time

Year-by-Year Breakdown (First 10 Years)

Year	Production	Savings	Maint.	Cumulative

Environmental Impact

🌍

0 tonnes

CO₂ Offset Over Lifetime

🌳

0 trees

Trees Equivalent Planted

🚗

0 miles

Car Miles Offset

🏠

0 homes

Homes Powered Annually

Renewable Energy ROI Calculator

System Parameters

Your Results Will Appear Here

Cumulative Savings Over Time

Year-by-Year Breakdown (First 10 Years)

Environmental Impact

Ready to Make the Switch?