Solar Panel Calculator

Calculate solar panel energy production and potential savings.

System Overview

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System Size (kW)
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Peak Output (kW)

Energy Production

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Daily (kWh)
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Monthly (kWh)
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Yearly (kWh)

Estimated Savings

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Monthly
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Yearly
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25 Year
Notes:
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Peak Sun Hours by Region

Southwest US: 6-7 hrs
Southeast US: 4-5 hrs
Northern Europe: 2-4 hrs
Southern Europe: 5-6 hrs
Australia: 5-6 hrs
Tropical regions: 5-6 hrs

? Frequently Asked Questions

How accurate is this

This calculator uses standard formulas and provides accurate results for typical use cases. For professional or critical applications, always verify results with certified professionals or official sources.

Is this calculator free to use?

Yes, this Solar Panel Calculator is completely free to use with no registration required. You can use it as many times as needed without any limitations.

Can I use this on mobile devices?

Absolutely! This calculator is fully responsive and works perfectly on smartphones, tablets, and desktop computers.

How do I interpret the results?

The results are displayed clearly with appropriate units. Refer to the About This Calculator section for detailed information.