☀️ Solar Panel Payback Calculator
Calculate your solar panel payback period, lifetime savings, and ROI. Enter your system cost, monthly bill, and available incentives to see if solar makes financial sense for your home.
Calculate your solar panel payback period, lifetime savings, and ROI. Enter your system cost, monthly bill, and available incentives to see if solar makes financial sense for your home.
Solar panels are one of the most impactful home upgrades for long-term savings and environmental impact. The payback period has dropped dramatically — from 15+ years in 2010 to 6–10 years today — driven by falling panel costs and rising electricity rates.
| System Size | Avg. Cost | After 30% Credit | Monthly Savings | Payback |
|---|---|---|---|---|
| 4 kW | $12,000 | $8,400 | $70–$90 | 8–10 yrs |
| 6 kW | $18,000 | $12,600 | $100–$140 | 7–9 yrs |
| 8 kW | $24,000 | $16,800 | $130–$180 | 7–9 yrs |
| 10 kW | $30,000 | $21,000 | $160–$220 | 7–10 yrs |
| 12 kW | $36,000 | $25,200 | $190–$260 | 7–10 yrs |