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Free Solar Calculator. Real Numbers.
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Use our free solar calculator to get accurate savings estimates in under 30 seconds — no signup, no sales calls, no sponsored results.
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30-second estimates based on your location, electricity rate, and usage. No email required.
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Local electricity rates, sun hours, and state incentives — not national averages.
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Independent tools and guides — no sales pressure, no hidden agendas.
"Solar has grown over 400% in the last decade. Falling panel costs combined with federal incentives have made it one of the best financial decisions a homeowner can make."
U.S. Department of Energy, 2025Free Solar Calculator FAQ
Our free solar calculator uses your location's average electricity rates, peak sun hours, and current federal incentive rates. Real installer quotes may vary 10–20% depending on your roof, equipment, and local labor costs.
No — the federal residential solar tax credit (Section 25D) expired for systems placed in service after December 31, 2025, under the One Big Beautiful Bill Act. It is no longer available for new installations. See our Solar Incentives Guide for current state-level incentives.
No — but note that both underlying federal credits have also expired: the standalone-battery credit expired alongside the solar credit (Dec 31, 2025), and the EV Clean Vehicle Credit expired September 30, 2025. Today, battery and EV savings mainly come from self-consumption, time-of-use rate arbitrage, and lower running costs rather than federal credits. See our Battery Incentives and EV Incentives guides for current state-level programs.
Yes — completely free, no account required, no personal data collected. Use them as many times as you like.
Start with our guides: Solar Basics, Battery Basics, or EV Basics — each covers everything you need to know before making a decision.
Built for homeowners,
not salespeople.
SolarCalcPro is a free resource built to help American homeowners understand the real financial impact of solar energy, battery storage, and electric vehicles — before talking to a single salesperson.
We built the calculators we wished existed: straightforward tools that give honest estimates based on real data, not lead-generation forms designed to collect your phone number.
All content is independently written and regularly updated. We do not accept payment from installers or manufacturers to influence our calculators or guides.
Figures sourced from U.S. EIA, NREL, and SEIA (SEIA, 2026). Last updated July 2026. Estimates are illustrative averages — use the calculators above for personalized results.