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Battery Backup & Grid savings Calculator

Calculate solar production, battery backup, and grid usage for complete independence.

⚡ Off-Grid Solar Calculator

Off-Grid Solar Calculator – Plan Your Energy Independence

Our Off-Grid Solar Calculator helps you design the perfect solar and battery system for complete energy independence. Easily estimate your solar production, battery requirements, and grid reliance based on your daily usage and available sunlight. Whether you live in a remote location or want backup power security, this tool gives you clear, accurate insights.

Why Use an Off-Grid Solar Calculator?

Going off-grid requires careful planning. This calculator simplifies the process by estimating how much of your daily energy can be covered by solar power, battery storage, and grid backup. It ensures your system is sized correctly to meet your lifestyle needs.

What This Calculator Shows

  • Daily and monthly solar power generation
  • Battery discharge and backup hours
  • Grid usage when solar + battery are not enough
  • Percentage of load covered by solar, battery, and grid

How to Use

  1. Enter your solar system size, daily load, and average sun hours.
  2. Select your battery type, voltage, and capacity.
  3. Choose how many hours at night you want to run on battery.
  4. See your system breakdown: solar, battery, and grid usage.

Example Output

After calculation, you’ll see:

  • Solar covers 65% of your load
  • Battery supports 25% of night usage
  • Grid provides 10% backup

You also get a bar chart and summary line for quick visualization.

Benefits of Off-Grid Solar

  • Energy independence and freedom from outages
  • Lower reliance on the utility grid
  • Reliable backup for nights and cloudy days
  • Long-term cost savings

Conclusion

The Off-Grid Solar Calculator is your first step to planning a self-sufficient energy system. Enter your details, compare solar, battery, and grid contributions, and make confident decisions for your home or business.

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