Free Off-Grid Tools

Calculate your needs before you buy. These tools help you plan your off-grid system.

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Solar Calculator

Calculate your solar panel and battery needs based on your location and daily usage.

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Water Collection Estimator

Estimate how much rainwater you can collect from your roof.

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Battery Bank Sizing

Determine how much battery storage you need for your power usage.

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Winter Sun Calculator

Account for reduced winter sun angles in your solar design.

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Need Custom Calculations?

Get personalized analysis for your specific situation.

Get Custom Help