Solar Panel Payback: $15,000 System With 30% Tax Credit
A $15,000 solar system with a $4,500 federal tax credit saving $1,500/year pays back in about 7 years.
How to use this tool
- Enter total system cost, tax credits / incentives, annual electricity savings and analysis period in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your payback period and the full breakdown beneath it.
The 30% federal solar tax credit can cut your payback period by years — see when your system breaks even.
Frequently asked questions
- What are typical solar savings?
- A 6–8 kW residential system typically saves $1,200–$2,500 per year depending on local electricity rates and sunlight. Check your last 12 months of electric bills to estimate your savings accurately.
- How long do solar panels last?
- Most panels carry 25-year performance warranties and last 30+ years. Output typically degrades about 0.5% per year.