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Solar Panel Tilt Angle Calculator

Best fixed and seasonal tilt for your latitude.

Inputs

Inputs and assumptions

Site latitude, 25 to 48 for most of the US.

Result

Summer tilt
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Winter tilt
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Year-round tilt
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What to check

  • Site latitude

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This calculator is a first-pass screening tool. Verify your utility tariff, metered usage, equipment specifications, and installer quotes before making a decision.

Saved calculations

Keep the assumptions with the result.

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