Is Solar Worth It in Your Area?
Calculate your exact savings, payback period, and tax incentives using real data from NREL and EIA.
Calculate Your Solar Savings
Enter your details below to get an instant estimate
The Numbers Speak for Themselves
Why Trust SolarOEX?
Official Government Data
We use real-time data from the National Renewable Energy Laboratory (NREL) and EIA utility rates. No guesses, no AI hallucinations.
Deterministic Math Engine
Our calculator is based on physics and finance, not AI predictions. Every number can be traced back to its source.
100% Privacy for Free Calculator
No email, no phone, no data selling. Free calculations happen locally in your browser. We never see your information. Paid reports require contact details for account creation — see our Privacy Policy.
How the Free Calculator 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 Report
See your 20-year savings, payback period, and applicable tax incentives instantly.
“I was skeptical about online calculators, but SolarOEX matched almost exactly what my installer quoted. The 30% tax credit breakdown was especially helpful.”
Frequently Asked Questions
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, not AI predictions.
Yes. We automatically factor in the 30% Federal Investment Tax Credit (ITC) into your net system cost. This is the single largest incentive for going solar.
The free calculator is 100% private — no name, email, or address required. All calculations run locally in your browser. Paid reports require contact information for account creation and report delivery, as detailed in our Privacy Policy.
The calculator is free for quick estimates. The $19 report provides a comprehensive PDF breakdown with monthly savings projections, contractor comparison sheets, and tax filing guidance.
Ready to See Your Savings?
Get a professional 10-module solar assessment for $19.
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Get Your Solar Report →⚠️ 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
The free calculator does not collect personal data — all calculations run locally in your browser. Paid reports require contact information for account creation and report delivery.
📜 Terms of Service
By using this tool, you agree that SolarOEX is not liable for any decisions made based on the estimates provided.