SolarWise - Solar Calculator

Find your ideal solar setup in minutes. Real NASA irradiance data, 12+ countries supported, EV charging integration, break-even analysis, and PDF reports — all in one app

SolarWise is the smart solar calculator that helps homeowners make confident decisions about solar panels and battery storage. Enter your location, roof details, and energy usage to get personalized system recommendations with realistic financial projections.

Real data. Real results.

SolarWise uses NASA POWER satellite irradiance data to estimate how much energy your solar panels can generate based on your exact location. No guesswork. No inflated estimates.

5 auto-generated configurations

Get five tailored system options, from Budget Saver to Maximum Coverage. Each configuration includes:

Panel count Battery sizing Break-even timeline 25-year ROI Overall score Works in 12+ countries

Available for users in the United States, United Kingdom, Germany, Australia, France, Spain, Italy, Japan, India, Canada, Netherlands, and Brazil — with localized currency, units, electricity rates, tax incentives, and feed-in tariffs.

Key features NASA satellite solar irradiance data for accurate estimates Roof direction, tilt angle, and shading analysis Battery storage sizing with degradation modeling EV charging integration Grid export and feed-in tariff revenue calculations Break-even charts with best, expected, and worst-case scenarios Monthly generation vs. consumption breakdown CO₂ offset tracking Save and compare configurations side by side Professional PDF report export 25-year financial projections with electricity inflation Free features 5 auto-generated configurations NASA sunshine data Basic break-even chart Monthly generation overview SolarWise Pro — $9.99 one-time purchase

Unlock advanced tools with a single purchase:

Custom configuration builder Best / expected / worst-case scenario analysis EV charging integration Grid export and feed-in tariff analysis Save configurations Print and share PDF reports Side-by-side comparison Ad-free experience

One-time purchase. No subscription. Yours forever.

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SolarWise provides estimates for informational purposes only and does not constitute financial advice. Always consult a certified solar installer for a professional assessment.