Is Solar Worth It in Your Area?
Calculate your exact savings, payback period, and tax incentives using real data from NREL and EIA.
Why Trust Our Calculator?
Official Government Data
We use real-time data from the National Renewable Energy Laboratory (NREL) and EIA utility rates.
Zero AI Hallucinations
Our math engine is deterministic. We don't "guess" your savings; we calculate them based on physics and finance.
Privacy First
Your calculations happen locally. We don't sell your personal data.
How it Works
Enter Your Zip Code
No email or phone number required. Just tell us where your roof is located.
We Analyze Real Data
We match your location with NREL solar irradiance maps and current EIA utility rates.
Get Instant ROI
See your 20-year savings, payback period, and applicable tax incentives instantly.
Frequently Asked Questions
How accurate is this calculator?
Unlike other tools that guess, we rely on official data from the National Renewable Energy Laboratory (NREL) and EIA. Our estimates are grounded in physics and real financial data.
Does it include the 30% Tax Credit?
Yes. We automatically factor in the 30% Federal Investment Tax Credit (ITC) into your net system cost.
Is my data private?
100%. We do not require your name, email, or address. Your calculation happens locally in your browser.
Why is there a $19 Report option?
The calculator is free for quick estimates. The $19 report provides a comprehensive breakdown suitable for sharing with contractors or for tax planning.
Disclaimer
This calculator provides estimates for informational purposes only. Actual savings, costs, and energy production may vary based on roof condition, local contractor pricing, and changes in utility rates. This does not constitute financial advice.
Privacy Policy
We do not collect, store, or sell any personal data. All calculations are performed on your device. We use Cloudflare for site security and analytics to improve performance.
Terms of Service
By using this tool, you agree that Solar ROI Master is not liable for any decisions made based on the estimates provided.