SolarMap

Solar Energy Estimator is a powerful tool for planning solar power installations anywhere in the world.

🌍 GRID-TIED CALCULATOR
• Select any location on the map to fetch real NASA POWER solar irradiance data
• Enter your panel count, wattage, dimensions and tilt angle
• Get daily, monthly and annual energy output estimates
• See how many households and communities your installation can power
• CO₂ offset and environmental impact calculation
• Save and review past estimates

🔋 OFF-GRID SYSTEM SIZING
• Calculate the exact number of batteries needed for your system
• Supports Lead-Acid and LiFePO₄ battery types
• Size your solar array, MPPT charge controller and inverter
• Set autonomy days and depth of discharge
• System voltage support: 12V, 24V, 48V

☀️ REAL SOLAR DATA
• Powered by NASA POWER Climatology API
• Accurate peak sun hours for any location on Earth
• Monthly solar irradiance chart included

📋 FEATURES
• Browse popular solar panel catalog
• Add custom panel models
• Tilt angle optimizer based on your latitude
• No account or login required
• No ads, no tracking, works offline (except NASA data fetch)
• All data stored locally on your device