SolarMap

Contains ads
Content rating
Everyone
1+
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Content rating
Everyone
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About this app

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
Solar power estimator & off-grid system sizing for any location worldwide
Updated on
Aug 23, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

solarmap
Now works worldwide — select any location on the map
On Grid/Off-Grid System Sizing — calculate battery bank, panels, charge
Content rating
Everyone
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App support

About the developer
M P PRASAD DARSHANA KUMAR
pnpmicrosystem@gmail.com
40/44, ATABAGAHAWATTA, SENDIRIYAMULLA SANDALANKAWA SANDALANAKAWA 69176 Sri Lanka