2025 Solar Savings Calculator for Installers & Homeowners
Instantly Project Solar ROI, Payback, and Incentives
The free Shop.Solar Savings Calculator gives you an instant, transparent way to forecast solar payback, long-term savings, and local incentives. Perfect for installers (sales, proposals) and homeowners (DIY planning).
Get Your Free Solar Savings Calculator Spreadsheet
Download the calculator instantly—just enter your email below.
Why a 2025 Solar Savings Calculator?
- Incentives are ending: The federal solar tax credit (ITC) expires Dec 31, 2025. State rebates are changing rapidly—accurate payback math is essential.
- Customers want answers: “How long until my system pays for itself?” Bring instant, transparent answers to every sales conversation.
- Homeowners need clarity: Download a real, editable spreadsheet to confidently plan your investment.
What Can You Do With This Calculator?
- Project payback period (years/months)
- Estimate annual & lifetime savings (25+ years)
- Calculate after-incentive costs (rebates, ITC, local perks)
- Factor in utility inflation and panel degradation
- Run unlimited “what-if” scenarios (cash, loan, lease, any ZIP)
- Use for sales proposals, or DIY home savings planning
Why Installers Love It
- Closes more sales: instant, data-driven payback projections
- Customizable for every proposal (localize incentives, add branding)
- Zero learning curve—just open, plug in numbers, export, and send
Why Homeowners Love It
- Full control—see payback, savings, and system cost clearly
- No hidden math—transparent, editable spreadsheet logic
- Plan for future utility rate hikes or new incentives
How It Works
- Download the spreadsheet and open in Excel or Google Sheets
- Enter ZIP code, system size, cost, and incentives
- Adjust utility rate inflation and panel degradation as needed
- See instant payback, savings, and exportable charts
Sample Output
Example: Inputs, incentives, payback, and lifetime savings — as seen in the downloadable Shop.Solar spreadsheet.Frequently Asked Questions
Yes—just enter your email and you’ll receive an instant download link. No payment, no credit card required.
Absolutely. Enter your ZIP code, incentives, and rates for accurate local projections.
We use industry-standard logic, based on NREL, DSIRE, and EnergySage data.
Yes! Many installers use this calculator for sales proposals and customer education. White-label as needed.
There isn’t one. We hope you’ll love our calculator and consider Shop.Solar’s future premium tools for deeper analytics and installer dashboards.