Solar Payback Calculator
Tell us your bill. We size the system, apply current Connecticut incentives, and show you the payback. Free, no email required.
Your average monthly electric bill
Use a 12-month average if you have it. Otherwise estimate.
Roof shading
Include battery storage?
A single 13.5 kWh battery handles essential loads through CT outages and qualifies you for the CT ESS incentive.
Pay with Smart-E loan?
Connecticut Green Bank's Smart-E program offers low-interest financing for solar + battery. We use a 10-year term at the current typical APR.
Your estimated system
10.4 kW
Sized to offset ~10,400 kWh/year
Gross system cost$45,107
CT ESS battery incentive-$3,500
Net cost$41,607
Annual electric savings$3,270
Payback period12.7 years
Assumptions: $0.30/kWh blended Eversource and UI residential rate; 1180 kWh/year/kW typical CT production; install cost $3.00/W; CT ESS battery incentive $3,500 (paired with solar); Smart-E 6.9% APR, 20-year term. Real pricing depends on roof orientation, system design, and current incentive program rules.
Want real numbers?
We'll review your roof orientation, your specific utility rate, and your exact roof shading from satellite imagery - then send you a written quote with the actual payback math for your home.
Get a Free Estimate