Energy & Efficiency
Solar Savings Calculator
Use this solar savings calculator to model system cost, incentive-adjusted cost, monthly savings, payback period, and long-term estimated savings.
Free planning tool
Estimated Project Range
Low$14,648
Average$16,275
High$18,228
Installed cost per watt$3
Estimated monthly savings$148
Estimated payback period9.2 years
25-year estimated savings$48,302
Cost Breakdown
Estimated system cost$23,250
Incentive placeholder-$6,975
Incentive-adjusted cost$16,275
What affects this estimate
- Solar incentives vary by location, tax situation, utility program, and eligibility.
- This is a simplified planning model, not a solar production guarantee.
Assumptions You Can Adjust
- Monthly savings are simplified from current electric bill and assumed offset.
- Incentives vary by location, tax situation, utility program, and eligibility.
- This calculator provides a general estimate for planning purposes only. Actual costs may vary based on your location, labor rates, material choices, permits, contractor pricing, and project complexity. This is not professional construction, financial, or legal advice.
What Can Make the Cost Higher
- Roof orientation, shading, utility rules, battery storage, panel choice, and installer pricing affect solar economics.
- Incentive eligibility is location-specific and can change.
- Electricity rate increases can materially change long-term savings.
How to Reduce Cost
- Compare several solar proposals with the same system size and equipment assumptions.
- Review utility net metering rules before signing.
- Improve home efficiency to reduce system size when practical.
When to Call a Professional
- Consult licensed solar installers, tax professionals, and local authorities for incentive and permit details.
- Ask for production estimates, warranty terms, and utility interconnection assumptions.
Common Mistakes to Avoid
- Assuming all incentives apply automatically.
- Ignoring roof age before installing panels.
- Comparing quotes with different production estimates or financing terms.
Example Calculation
A 7.5 kW system at $3.10 per watt with a 30% incentive placeholder estimates upfront cost, payback, and long-term planning savings.
Related Calculators
Important Disclaimer
This calculator provides a general estimate for planning purposes only. Actual costs may vary based on your location, labor rates, material choices, permits, contractor pricing, and project complexity. This is not professional construction, financial, or legal advice.