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What's new in 1.3.0 - Find your home by town or city name; NASA sunshine data loads automatically - Inputs are remembered between sessions - Budget is respected when sizing; over-budget setups are flagged - Projected monthly bill and CO2 equivalents - Settings: light/dark theme, restore purchase, reset data - Saved configurations can be re-run with their inputs - Comparison highlights best values; PDF lists all assumptions - Fixes: chart currency, southern-hemisphere seasons, small-roof crash
Solar panel & battery calculator with NASA data. 12+ countries, EV, PDF reports
SolarWise is the smart solar panel calculator that helps homeowners make confident decisions about solar energy. Enter your location, roof details, and energy usage — and get personalized configurations with real financial projections. REAL DATA, REAL RESULTS SolarWise uses NASA POWER satellite irradiance data to calculate how much energy your solar panels will actually produce based on your exact location. No guesswork, no inflated estimates. 5 AUTO-GENERATED CONFIGURATIONS Get five tailored setups ranging from Budget Saver to Maximum coverage. Each shows panel count, battery sizing, break-even timeline, 25-year ROI, and an overall score. WORKS IN 12+ COUNTRIES 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 — charge your car from solar • 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 • Print professional PDF reports • 25-year financial projections with electricity inflation FREE • 5 auto-generated configurations • NASA real sunshine data • Basic break-even chart • Monthly generation overview SOLARWISE PRO — $9.99 (one-time purchase) • Custom configuration builder • Best / worst / expected scenario analysis • EV charging integration • Grid export and feed-in tariff analysis • Save configurations • Print and share PDF reports • Side-by-side configuration comparison • Ad-free experience One-time purchase. No subscription. Yours forever. Estimates are for informational purposes only and do not constitute financial advice. Consult a certified solar installer for a professional assessment.
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