Solar ROI Calculator

Is Solar Worth It in 2026?

Estimate your rooftop solar payback period and 25-year savings based on your system size and local sun hours.

System Size (kW)

System Cost ($/Watt)

Avg. Sun Hours / Day

Electricity Rate ($/kWh)

Federal Incentive (%)

Estimated Payback Period

8.3 yrs

Gross System Cost$14,000

Incentive Savings-$4,200

Net Cost$9,800

Annual Production6,981 kWh

Annual Savings$1,187

25-Year Net Savings$19,868